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+This file was generated by Devel::NYTProf version 4.06
+-->
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+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ <meta http-equiv="Content-Language" content="en-us" />
+ <title>Profile of IPC/Run/IO.pm</title>
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+ // when a column is first clicked on to sort it, use descending order
+ // XXX doesn't seem to work (and not just because the tablesorter formatSortingOrder() is broken)
+ $.tablesorter.defaults.sortInitialOrder = "desc";
+ // add parser through the tablesorter addParser method
+ $.tablesorter.addParser({
+ id: 'fmt_time', // name of this parser
+ is: function(s) {
+ return false; // return false so this parser is not auto detected
+ },
+ format: function(orig) { // format data for normalization
+ // console.log(orig);
+ val = orig.replace(/ns/,'');
+ if (val != orig) { return val / (1000*1000*1000); }
+ val = orig.replace(/µs/,''); /* XXX use µ ? */
+ if (val != orig) { return val / (1000*1000); }
+ var val = orig.replace(/ms/,'');
+ if (val != orig) { return val / (1000); }
+ var val = orig.replace(/s/,'');
+ if (val != orig) { return val; }
+ if (orig == '0') { return orig; }
+ console.log('no match for fmt_time of '.concat(orig));
+ return orig;
+ },
+ type: 'numeric' // set type, either numeric or text
+ });
+ </script>
+</head>
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+ <a href="index.html">← Index</a>
+ </div>
+<div class="headerForeground" style="float: left">
+ <span class="siteTitle">NYTProf Performance Profile</span>
+ <span class="siteSubtitle">  <span>« <span class="mode_btn mode_btn_selected">block view</span> • <span class="mode_btn"><a href="IPC-Run-IO-pm-740-line.html">line view</a></span> • <span class="mode_btn"><a href="IPC-Run-IO-pm-740-sub.html">sub view</a></span> »</span><br />
+ For script/nytprof.pl
+ </span>
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+<div class="headerForeground" style="float: right; text-align: right">
+ <span class="siteTitle"> </span>
+ <span class="siteSubtitle">Run on Thu May 31 16:49:15 2012<br />Reported on Thu May 31 16:52:00 2012</span>
+</div>
+<div style="position: absolute; left: 0px; top: 0%; width: 100%; height: 101%; z-index: -1; background-color: rgb(17, 136, 255); "></div>
+<div style="position: absolute; left: 0px; top: 2%; width: 100%; height: 99%; z-index: -1; background-color: rgb(16, 134, 253); "></div>
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+<div style="position: absolute; left: 0px; top: 70%; width: 100%; height: 31%; z-index: -1; background-color: rgb(5, 88, 207); "></div>
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+<div style="position: absolute; left: 0px; top: 86%; width: 100%; height: 15%; z-index: -1; background-color: rgb(2, 77, 196); "></div>
+<div style="position: absolute; left: 0px; top: 88%; width: 100%; height: 13%; z-index: -1; background-color: rgb(2, 76, 195); "></div>
+<div style="position: absolute; left: 0px; top: 90%; width: 100%; height: 11%; z-index: -1; background-color: rgb(1, 74, 193); "></div>
+<div style="position: absolute; left: 0px; top: 92%; width: 100%; height: 9%; z-index: -1; background-color: rgb(1, 73, 192); "></div>
+<div style="position: absolute; left: 0px; top: 94%; width: 100%; height: 7%; z-index: -1; background-color: rgb(1, 72, 191); "></div>
+<div style="position: absolute; left: 0px; top: 96%; width: 100%; height: 5%; z-index: -1; background-color: rgb(0, 70, 189); "></div>
+<div style="position: absolute; left: 0px; top: 98%; width: 100%; height: 3%; z-index: -1; background-color: rgb(0, 69, 188); "></div>
+<div style="position: absolute; left: 0px; top: 100%; width: 100%; height: 1%; z-index: -1; background-color: rgb(0, 68, 187); "></div>
+</div>
+
+<div class="body_content"><br />
+<table class="file_summary"><tr><td class="h">Filename</td><td align="left"><a href="file:///Users/edenc/perl5/lib/perl5/IPC/Run/IO.pm">/Users/edenc/perl5/lib/perl5/IPC/Run/IO.pm</a></td></tr>
+<tr><td class="h">Statements</td><td align="left">Executed 21 statements in 2.84ms</td></tr></table>
+
+ <table id="subs_table" border="1" cellpadding="0" class="tablesorter">
+ <caption>Subroutines</caption>
+ <thead>
+ <tr>
+ <th>Calls</th>
+ <th><span title="Number of Places sub is called from">P</span></th>
+ <th><span title="Number of Files sub is called from">F</span></th>
+ <th>Exclusive<br />Time</th>
+ <th>Inclusive<br />Time</th>
+ <th>Subroutine</th>
+ </tr>
+ </thead>
+ <tbody>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">33µs</span></td><td class="c0"><span title="0.0%">424µs</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::BEGIN@67</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#67">BEGIN@67</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c2"><span title="0.0%">23µs</span></td><td class="c2"><span title="0.0%">96µs</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::BEGIN@68</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#68">BEGIN@68</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c2"><span title="0.0%">22µs</span></td><td class="c0"><span title="0.0%">142µs</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::BEGIN@71</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#71">BEGIN@71</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c2"><span title="0.0%">21µs</span></td><td class="c1"><span title="0.0%">124µs</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::BEGIN@70</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#70">BEGIN@70</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">18µs</span></td><td class="c3"><span title="0.0%">23µs</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::BEGIN@65</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#65">BEGIN@65</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">14µs</span></td><td class="c3"><span title="0.0%">16µs</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::BEGIN@74</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#74">BEGIN@74</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">12µs</span></td><td class="c3"><span title="0.0%">58µs</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::BEGIN@66</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#66">BEGIN@66</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">12µs</span></td><td class="c3"><span title="0.0%">61µs</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::BEGIN@489</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#489">BEGIN@489</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">10µs</span></td><td class="c3"><span title="0.0%">52µs</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::BEGIN@73</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#73">BEGIN@73</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::__ANON__[:168]</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#160">__ANON__[:168]</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::__ANON__[:194]</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#178">__ANON__[:194]</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::__ANON__[:216]</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#200">__ANON__[:216]</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::_cleanup</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#351">_cleanup</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::_do_filters</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#546">_do_filters</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::_do_open</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#314">_do_open</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::_init_filters</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#494">_init_filters</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::_new_internal</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#127">_new_internal</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::binmode</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#459">binmode</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::close</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#364">close</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::dir</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#474">dir</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::filename</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#231">filename</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::fileno</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#392">fileno</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::init</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#244">init</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::mode</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#426">mode</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::new</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#97">new</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::op</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#444">op</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::open</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#286">open</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::open_pipe</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#335">open_pipe</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">IPC::Run::IO::::poll</span>IPC::Run::IO::<a href="IPC-Run-IO-pm-740-block.html#521">poll</a></span></td></tr>
+</tbody></table>
+ Call graph for these subroutines as a
+ <a href="http://en.wikipedia.org/wiki/Graphviz">Graphviz</a>
+ <a href="Users-edenc-perl5-lib-perl5-IPC-Run-IO-pm.dot">dot language file</a>.
+
+ <table border="1" cellpadding="0">
+ <thead>
+ <tr><th>Line</th>
+ <th><span title="Number of statements executed">State<br />ments</span></th>
+ <th><span title="Time spend executing statements on the line,
+ excluding time spent executing statements in any called subroutines">Time<br />on line</span></th>
+ <th><span title="Number of subroutines calls">Calls</span></th>
+ <th><span title="Time spent in subroutines called (inclusive)">Time<br />in subs</span></th>
+ <th class="left_indent_header">Code</th>
+ </tr>
+
+ </thead>
+ <tbody>
+ <tr><td class="h"><a name="1"></a>1</td><td></td><td></td><td></td><td></td><td class="s">package IPC::Run::IO;</td></tr>
+<tr><td class="h"><a name="2"></a>2</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="3"></a>3</td><td></td><td></td><td></td><td></td><td class="s">=head1 NAME</td></tr>
+<tr><td class="h"><a name="4"></a>4</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="5"></a>5</td><td></td><td></td><td></td><td></td><td class="s">IPC::Run::IO -- I/O channels for IPC::Run.</td></tr>
+<tr><td class="h"><a name="6"></a>6</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="7"></a>7</td><td></td><td></td><td></td><td></td><td class="s">=head1 SYNOPSIS</td></tr>
+<tr><td class="h"><a name="8"></a>8</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="9"></a>9</td><td></td><td></td><td></td><td></td><td class="s">B<NOT IMPLEMENTED YET ON Win32! Win32 does not allow select() on</td></tr>
+<tr><td class="h"><a name="10"></a>10</td><td></td><td></td><td></td><td></td><td class="s">normal file descriptors; IPC::RUN::IO needs to use IPC::Run::Win32Helper</td></tr>
+<tr><td class="h"><a name="11"></a>11</td><td></td><td></td><td></td><td></td><td class="s">to do this.></td></tr>
+<tr><td class="h"><a name="12"></a>12</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="13"></a>13</td><td></td><td></td><td></td><td></td><td class="s"> use IPC::Run qw( io );</td></tr>
+<tr><td class="h"><a name="14"></a>14</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="15"></a>15</td><td></td><td></td><td></td><td></td><td class="s"> ## The sense of '>' and '<' is opposite of perl's open(),</td></tr>
+<tr><td class="h"><a name="16"></a>16</td><td></td><td></td><td></td><td></td><td class="s"> ## but agrees with IPC::Run.</td></tr>
+<tr><td class="h"><a name="17"></a>17</td><td></td><td></td><td></td><td></td><td class="s"> $io = io( "filename", '>', \$recv );</td></tr>
+<tr><td class="h"><a name="18"></a>18</td><td></td><td></td><td></td><td></td><td class="s"> $io = io( "filename", 'r', \$recv );</td></tr>
+<tr><td class="h"><a name="19"></a>19</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="20"></a>20</td><td></td><td></td><td></td><td></td><td class="s"> ## Append to $recv:</td></tr>
+<tr><td class="h"><a name="21"></a>21</td><td></td><td></td><td></td><td></td><td class="s"> $io = io( "filename", '>>', \$recv );</td></tr>
+<tr><td class="h"><a name="22"></a>22</td><td></td><td></td><td></td><td></td><td class="s"> $io = io( "filename", 'ra', \$recv );</td></tr>
+<tr><td class="h"><a name="23"></a>23</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="24"></a>24</td><td></td><td></td><td></td><td></td><td class="s"> $io = io( "filename", '<', \$send );</td></tr>
+<tr><td class="h"><a name="25"></a>25</td><td></td><td></td><td></td><td></td><td class="s"> $io = io( "filename", 'w', \$send );</td></tr>
+<tr><td class="h"><a name="26"></a>26</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="27"></a>27</td><td></td><td></td><td></td><td></td><td class="s"> $io = io( "filename", '<<', \$send );</td></tr>
+<tr><td class="h"><a name="28"></a>28</td><td></td><td></td><td></td><td></td><td class="s"> $io = io( "filename", 'wa', \$send );</td></tr>
+<tr><td class="h"><a name="29"></a>29</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="30"></a>30</td><td></td><td></td><td></td><td></td><td class="s"> ## Handles / IO objects that the caller opens:</td></tr>
+<tr><td class="h"><a name="31"></a>31</td><td></td><td></td><td></td><td></td><td class="s"> $io = io( \*HANDLE, '<', \$send );</td></tr>
+<tr><td class="h"><a name="32"></a>32</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="33"></a>33</td><td></td><td></td><td></td><td></td><td class="s"> $f = IO::Handle->new( ... ); # Any subclass of IO::Handle</td></tr>
+<tr><td class="h"><a name="34"></a>34</td><td></td><td></td><td></td><td></td><td class="s"> $io = io( $f, '<', \$send );</td></tr>
+<tr><td class="h"><a name="35"></a>35</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="36"></a>36</td><td></td><td></td><td></td><td></td><td class="s"> require IPC::Run::IO;</td></tr>
+<tr><td class="h"><a name="37"></a>37</td><td></td><td></td><td></td><td></td><td class="s"> $io = IPC::Run::IO->new( ... );</td></tr>
+<tr><td class="h"><a name="38"></a>38</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="39"></a>39</td><td></td><td></td><td></td><td></td><td class="s"> ## Then run(), harness(), or start():</td></tr>
+<tr><td class="h"><a name="40"></a>40</td><td></td><td></td><td></td><td></td><td class="s"> run $io, ...;</td></tr>
+<tr><td class="h"><a name="41"></a>41</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="42"></a>42</td><td></td><td></td><td></td><td></td><td class="s"> ## You can, of course, use io() or IPC::Run::IO->new() as an</td></tr>
+<tr><td class="h"><a name="43"></a>43</td><td></td><td></td><td></td><td></td><td class="s"> ## argument to run(), harness, or start():</td></tr>
+<tr><td class="h"><a name="44"></a>44</td><td></td><td></td><td></td><td></td><td class="s"> run io( ... );</td></tr>
+<tr><td class="h"><a name="45"></a>45</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="46"></a>46</td><td></td><td></td><td></td><td></td><td class="s">=head1 DESCRIPTION</td></tr>
+<tr><td class="h"><a name="47"></a>47</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="48"></a>48</td><td></td><td></td><td></td><td></td><td class="s">This class and module allows filehandles and filenames to be harnessed for</td></tr>
+<tr><td class="h"><a name="49"></a>49</td><td></td><td></td><td></td><td></td><td class="s">I/O when used IPC::Run, independent of anything else IPC::Run is doing</td></tr>
+<tr><td class="h"><a name="50"></a>50</td><td></td><td></td><td></td><td></td><td class="s">(except that errors & exceptions can affect all things that IPC::Run is</td></tr>
+<tr><td class="h"><a name="51"></a>51</td><td></td><td></td><td></td><td></td><td class="s">doing).</td></tr>
+<tr><td class="h"><a name="52"></a>52</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="53"></a>53</td><td></td><td></td><td></td><td></td><td class="s">=head1 SUBCLASSING</td></tr>
+<tr><td class="h"><a name="54"></a>54</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="55"></a>55</td><td></td><td></td><td></td><td></td><td class="s">INCOMPATIBLE CHANGE: due to the awkwardness introduced in ripping pseudohashes</td></tr>
+<tr><td class="h"><a name="56"></a>56</td><td></td><td></td><td></td><td></td><td class="s">out of Perl, this class I<no longer> uses the fields pragma.</td></tr>
+<tr><td class="h"><a name="57"></a>57</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="58"></a>58</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="59"></a>59</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="60"></a>60</td><td></td><td></td><td></td><td></td><td class="s">## This class is also used internally by IPC::Run in a very initimate way,</td></tr>
+<tr><td class="h"><a name="61"></a>61</td><td></td><td></td><td></td><td></td><td class="s">## since this is a partial factoring of code from IPC::Run plus some code</td></tr>
+<tr><td class="h"><a name="62"></a>62</td><td></td><td></td><td></td><td></td><td class="s">## needed to do standalone channels. This factoring process will continue</td></tr>
+<tr><td class="h"><a name="63"></a>63</td><td></td><td></td><td></td><td></td><td class="s">## at some point. Don't know how far how fast.</td></tr>
+<tr><td class="h"><a name="64"></a>64</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="65"></a>65</td><td class="c3">2</td><td class="c3"><span title="Avg 13µs">27µs</span></td><td class="c3">2</td><td class="c3">28µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 23µs (18+5) within IPC::Run::IO::BEGIN@65 which was called:
+# once (18µs+5µs) by Text::Tradition::Collation::BEGIN@7 at <a href="IPC-Run-IO-pm-740-block.html#65">line 65</a></div></div>use strict;<div class="calls"><div class="calls_out"># spent 23µs making 1 call to <a href="IPC-Run-IO-pm-740-block.html#65">IPC::Run::IO::BEGIN@65</a>
+# spent 5µs making 1 call to <a href="strict-pm-3-block.html#34">strict::import</a></div></div></td></tr>
+<tr><td class="h"><a name="66"></a>66</td><td class="c3">2</td><td class="c3"><span title="Avg 13µs">27µs</span></td><td class="c3">2</td><td class="c3">103µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 58µs (12+46) within IPC::Run::IO::BEGIN@66 which was called:
+# once (12µs+46µs) by Text::Tradition::Collation::BEGIN@7 at <a href="IPC-Run-IO-pm-740-block.html#66">line 66</a></div></div>use Carp;<div class="calls"><div class="calls_out"># spent 58µs making 1 call to <a href="IPC-Run-IO-pm-740-block.html#66">IPC::Run::IO::BEGIN@66</a>
+# spent 46µs making 1 call to <a href="Exporter-pm-8-block.html#28">Exporter::import</a></div></div></td></tr>
+<tr><td class="h"><a name="67"></a>67</td><td class="c3">2</td><td class="c3"><span title="Avg 31µs">63µs</span></td><td class="c3">2</td><td class="c0">816µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 424µs (33+392) within IPC::Run::IO::BEGIN@67 which was called:
+# once (33µs+392µs) by Text::Tradition::Collation::BEGIN@7 at <a href="IPC-Run-IO-pm-740-block.html#67">line 67</a></div></div>use Fcntl;<div class="calls"><div class="calls_out"># spent 424µs making 1 call to <a href="IPC-Run-IO-pm-740-block.html#67">IPC::Run::IO::BEGIN@67</a>
+# spent 392µs making 1 call to <a href="Exporter-pm-8-block.html#28">Exporter::import</a></div></div></td></tr>
+<tr><td class="h"><a name="68"></a>68</td><td class="c3">2</td><td class="c3"><span title="Avg 26µs">51µs</span></td><td class="c3">2</td><td class="c2">170µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 96µs (23+74) within IPC::Run::IO::BEGIN@68 which was called:
+# once (23µs+74µs) by Text::Tradition::Collation::BEGIN@7 at <a href="IPC-Run-IO-pm-740-block.html#68">line 68</a></div></div>use Symbol;<div class="calls"><div class="calls_out"># spent 96µs making 1 call to <a href="IPC-Run-IO-pm-740-block.html#68">IPC::Run::IO::BEGIN@68</a>
+# spent 74µs making 1 call to <a href="Exporter-pm-8-block.html#28">Exporter::import</a></div></div></td></tr>
+<tr><td class="h"><a name="69"></a>69</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="70"></a>70</td><td class="c3">2</td><td class="c3"><span title="Avg 30µs">61µs</span></td><td class="c3">2</td><td class="c1">226µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 124µs (21+103) within IPC::Run::IO::BEGIN@70 which was called:
+# once (21µs+103µs) by Text::Tradition::Collation::BEGIN@7 at <a href="IPC-Run-IO-pm-740-block.html#70">line 70</a></div></div>use IPC::Run::Debug;<div class="calls"><div class="calls_out"># spent 124µs making 1 call to <a href="IPC-Run-IO-pm-740-block.html#70">IPC::Run::IO::BEGIN@70</a>
+# spent 103µs making 1 call to <a href="Exporter-pm-8-block.html#28">Exporter::import</a></div></div></td></tr>
+<tr><td class="h"><a name="71"></a>71</td><td class="c3">2</td><td class="c3"><span title="Avg 28µs">56µs</span></td><td class="c3">2</td><td class="c1">263µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 142µs (22+120) within IPC::Run::IO::BEGIN@71 which was called:
+# once (22µs+120µs) by Text::Tradition::Collation::BEGIN@7 at <a href="IPC-Run-IO-pm-740-block.html#71">line 71</a></div></div>use IPC::Run qw( Win32_MODE );<div class="calls"><div class="calls_out"># spent 142µs making 1 call to <a href="IPC-Run-IO-pm-740-block.html#71">IPC::Run::IO::BEGIN@71</a>
+# spent 120µs making 1 call to <a href="Exporter-pm-8-block.html#28">Exporter::import</a></div></div></td></tr>
+<tr><td class="h"><a name="72"></a>72</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="73"></a>73</td><td class="c3">2</td><td class="c1"><span title="Avg 56µs">113µs</span></td><td class="c3">2</td><td class="c3">93µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 52µs (10+41) within IPC::Run::IO::BEGIN@73 which was called:
+# once (10µs+41µs) by Text::Tradition::Collation::BEGIN@7 at <a href="IPC-Run-IO-pm-740-block.html#73">line 73</a></div></div>use vars qw{$VERSION};<div class="calls"><div class="calls_out"># spent 52µs making 1 call to <a href="IPC-Run-IO-pm-740-block.html#73">IPC::Run::IO::BEGIN@73</a>
+# spent 41µs making 1 call to <a href="vars-pm-6-block.html#10">vars::import</a></div></div></td></tr>
+<tr><td class="h"><a name="74"></a>74</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 16µs (14+3) within IPC::Run::IO::BEGIN@74 which was called:
+# once (14µs+3µs) by Text::Tradition::Collation::BEGIN@7 at <a href="IPC-Run-IO-pm-740-block.html#80">line 80</a></div></div>BEGIN {</td></tr>
+<tr><td class="h"><a name="75"></a>75</td><td class="c3">2</td><td class="c3"><span title="Avg 6µs">13µs</span></td><td></td><td></td><td class="s"> $VERSION = '0.90';</td></tr>
+<tr><td class="h"><a name="76"></a>76</td><td></td><td></td><td class="c3">1</td><td class="c3">3µs</td><td class="s"> if ( Win32_MODE ) {<div class="calls"><div class="calls_out"> # spent 3µs making 1 call to <a href="constant-pm-28-block.html#142">constant::__ANON__[constant.pm:142]</a></div></div></td></tr>
+<tr><td class="h"><a name="77"></a>77</td><td></td><td></td><td></td><td></td><td class="s"> eval "use IPC::Run::Win32Helper; require IPC::Run::Win32IO; 1"</td></tr>
+<tr><td class="h"><a name="78"></a>78</td><td></td><td></td><td></td><td></td><td class="s"> or ( $@ && die ) or die "$!";</td></tr>
+<tr><td class="h"><a name="79"></a>79</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="80"></a>80</td><td class="c3">1</td><td class="c0"><span title="Avg 2.04ms">2.04ms</span></td><td class="c3">1</td><td class="c3">16µs</td><td class="s">}<div class="calls"><div class="calls_out"># spent 16µs making 1 call to <a href="IPC-Run-IO-pm-740-block.html#74">IPC::Run::IO::BEGIN@74</a></div></div></td></tr>
+<tr><td class="h"><a name="81"></a>81</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="82"></a>82</td><td></td><td></td><td></td><td></td><td class="s">sub _empty($);</td></tr>
+<tr><td class="h"><a name="83"></a>83</td><td class="c3">1</td><td class="c3"><span title="Avg 3µs">3µs</span></td><td></td><td></td><td class="s">*_empty = \&IPC::Run::_empty;</td></tr>
+<tr><td class="h"><a name="84"></a>84</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="85"></a>85</td><td></td><td></td><td></td><td></td><td class="s">=head1 SUBROUTINES</td></tr>
+<tr><td class="h"><a name="86"></a>86</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="87"></a>87</td><td></td><td></td><td></td><td></td><td class="s">=over 4</td></tr>
+<tr><td class="h"><a name="88"></a>88</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="89"></a>89</td><td></td><td></td><td></td><td></td><td class="s">=item new</td></tr>
+<tr><td class="h"><a name="90"></a>90</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="91"></a>91</td><td></td><td></td><td></td><td></td><td class="s">I think it takes >> or << along with some other data.</td></tr>
+<tr><td class="h"><a name="92"></a>92</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="93"></a>93</td><td></td><td></td><td></td><td></td><td class="s">TODO: Needs more thorough documentation. Patches welcome.</td></tr>
+<tr><td class="h"><a name="94"></a>94</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="95"></a>95</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="96"></a>96</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="97"></a>97</td><td></td><td></td><td></td><td></td><td class="s">sub new {</td></tr>
+<tr><td class="h"><a name="98"></a>98</td><td></td><td></td><td></td><td></td><td class="s"> my $class = shift;</td></tr>
+<tr><td class="h"><a name="99"></a>99</td><td></td><td></td><td></td><td></td><td class="s"> $class = ref $class || $class;</td></tr>
+<tr><td class="h"><a name="100"></a>100</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="101"></a>101</td><td></td><td></td><td></td><td></td><td class="s"> my ( $external, $type, $internal ) = ( shift, shift, pop );</td></tr>
+<tr><td class="h"><a name="102"></a>102</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="103"></a>103</td><td></td><td></td><td></td><td></td><td class="s"> croak "$class: '$_' is not a valid I/O operator"</td></tr>
+<tr><td class="h"><a name="104"></a>104</td><td></td><td></td><td></td><td></td><td class="s"> unless $type =~ /^(?:<<?|>>?)$/;</td></tr>
+<tr><td class="h"><a name="105"></a>105</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="106"></a>106</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = $class->_new_internal(</td></tr>
+<tr><td class="h"><a name="107"></a>107</td><td></td><td></td><td></td><td></td><td class="s"> $type, undef, undef, $internal, undef, @_</td></tr>
+<tr><td class="h"><a name="108"></a>108</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
+<tr><td class="h"><a name="109"></a>109</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="110"></a>110</td><td></td><td></td><td></td><td></td><td class="s"> if ( ! ref $external ) {</td></tr>
+<tr><td class="h"><a name="111"></a>111</td><td></td><td></td><td></td><td></td><td class="s"> $self->{FILENAME} = $external;</td></tr>
+<tr><td class="h"><a name="112"></a>112</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="113"></a>113</td><td></td><td></td><td></td><td></td><td class="s"> elsif ( ref eq 'GLOB' || UNIVERSAL::isa( $external, 'IO::Handle' ) ) {</td></tr>
+<tr><td class="h"><a name="114"></a>114</td><td></td><td></td><td></td><td></td><td class="s"> $self->{HANDLE} = $external;</td></tr>
+<tr><td class="h"><a name="115"></a>115</td><td></td><td></td><td></td><td></td><td class="s"> $self->{DONT_CLOSE} = 1;</td></tr>
+<tr><td class="h"><a name="116"></a>116</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="117"></a>117</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
+<tr><td class="h"><a name="118"></a>118</td><td></td><td></td><td></td><td></td><td class="s"> croak "$class: cannot accept " . ref( $external ) . " to do I/O with";</td></tr>
+<tr><td class="h"><a name="119"></a>119</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="120"></a>120</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="121"></a>121</td><td></td><td></td><td></td><td></td><td class="s"> return $self;</td></tr>
+<tr><td class="h"><a name="122"></a>122</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="123"></a>123</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="124"></a>124</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="125"></a>125</td><td></td><td></td><td></td><td></td><td class="s">## IPC::Run uses this ctor, since it preparses things and needs more</td></tr>
+<tr><td class="h"><a name="126"></a>126</td><td></td><td></td><td></td><td></td><td class="s">## smarts.</td></tr>
+<tr><td class="h"><a name="127"></a>127</td><td></td><td></td><td></td><td></td><td class="s">sub _new_internal {</td></tr>
+<tr><td class="h"><a name="128"></a>128</td><td></td><td></td><td></td><td></td><td class="s"> my $class = shift;</td></tr>
+<tr><td class="h"><a name="129"></a>129</td><td></td><td></td><td></td><td></td><td class="s"> $class = ref $class || $class;</td></tr>
+<tr><td class="h"><a name="130"></a>130</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="131"></a>131</td><td></td><td></td><td></td><td></td><td class="s"> $class = "IPC::Run::Win32IO"</td></tr>
+<tr><td class="h"><a name="132"></a>132</td><td></td><td></td><td></td><td></td><td class="s"> if Win32_MODE && $class eq "IPC::Run::IO";</td></tr>
+<tr><td class="h"><a name="133"></a>133</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="134"></a>134</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self;</td></tr>
+<tr><td class="h"><a name="135"></a>135</td><td></td><td></td><td></td><td></td><td class="s"> $self = bless {}, $class;</td></tr>
+<tr><td class="h"><a name="136"></a>136</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="137"></a>137</td><td></td><td></td><td></td><td></td><td class="s"> my ( $type, $kfd, $pty_id, $internal, $binmode, @filters ) = @_;</td></tr>
+<tr><td class="h"><a name="138"></a>138</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="139"></a>139</td><td></td><td></td><td></td><td></td><td class="s"> # Older perls (<=5.00503, at least) don't do list assign to</td></tr>
+<tr><td class="h"><a name="140"></a>140</td><td></td><td></td><td></td><td></td><td class="s"> # psuedo-hashes well.</td></tr>
+<tr><td class="h"><a name="141"></a>141</td><td></td><td></td><td></td><td></td><td class="s"> $self->{TYPE} = $type;</td></tr>
+<tr><td class="h"><a name="142"></a>142</td><td></td><td></td><td></td><td></td><td class="s"> $self->{KFD} = $kfd;</td></tr>
+<tr><td class="h"><a name="143"></a>143</td><td></td><td></td><td></td><td></td><td class="s"> $self->{PTY_ID} = $pty_id;</td></tr>
+<tr><td class="h"><a name="144"></a>144</td><td></td><td></td><td></td><td></td><td class="s"> $self->binmode( $binmode );</td></tr>
+<tr><td class="h"><a name="145"></a>145</td><td></td><td></td><td></td><td></td><td class="s"> $self->{FILTERS} = [ @filters ];</td></tr>
+<tr><td class="h"><a name="146"></a>146</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="147"></a>147</td><td></td><td></td><td></td><td></td><td class="s"> ## Add an adapter to the end of the filter chain (which is usually just the</td></tr>
+<tr><td class="h"><a name="148"></a>148</td><td></td><td></td><td></td><td></td><td class="s"> ## read/writer sub pushed by IPC::Run) to the DEST or SOURCE, if need be.</td></tr>
+<tr><td class="h"><a name="149"></a>149</td><td></td><td></td><td></td><td></td><td class="s"> if ( $self->op =~ />/ ) {</td></tr>
+<tr><td class="h"><a name="150"></a>150</td><td></td><td></td><td></td><td></td><td class="s"> croak "'$_' missing a destination" if _empty $internal;</td></tr>
+<tr><td class="h"><a name="151"></a>151</td><td></td><td></td><td></td><td></td><td class="s"> $self->{DEST} = $internal;</td></tr>
+<tr><td class="h"><a name="152"></a>152</td><td></td><td></td><td></td><td></td><td class="s"> if ( UNIVERSAL::isa( $self->{DEST}, 'CODE' ) ) {</td></tr>
+<tr><td class="h"><a name="153"></a>153</td><td></td><td></td><td></td><td></td><td class="s"> ## Put a filter on the end of the filter chain to pass the</td></tr>
+<tr><td class="h"><a name="154"></a>154</td><td></td><td></td><td></td><td></td><td class="s"> ## output on to the CODE ref. For SCALAR refs, the last</td></tr>
+<tr><td class="h"><a name="155"></a>155</td><td></td><td></td><td></td><td></td><td class="s"> ## filter in the chain writes directly to the scalar itself. See</td></tr>
+<tr><td class="h"><a name="156"></a>156</td><td></td><td></td><td></td><td></td><td class="s"> ## _init_filters(). For CODE refs, however, we need to adapt from</td></tr>
+<tr><td class="h"><a name="157"></a>157</td><td></td><td></td><td></td><td></td><td class="s"> ## the SCALAR to calling the CODE.</td></tr>
+<tr><td class="h"><a name="158"></a>158</td><td></td><td></td><td></td><td></td><td class="s"> unshift( </td></tr>
+<tr><td class="h"><a name="159"></a>159</td><td></td><td></td><td></td><td></td><td class="s"> @{$self->{FILTERS}},</td></tr>
+<tr><td class="h"><a name="160"></a>160</td><td></td><td></td><td></td><td></td><td class="s"> sub {</td></tr>
+<tr><td class="h"><a name="161"></a>161</td><td></td><td></td><td></td><td></td><td class="s"> my ( $in_ref ) = @_;</td></tr>
+<tr><td class="h"><a name="162"></a>162</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="163"></a>163</td><td></td><td></td><td></td><td></td><td class="s"> return IPC::Run::input_avail() && do {</td></tr>
+<tr><td class="h"><a name="164"></a>164</td><td></td><td></td><td></td><td></td><td class="s"> $self->{DEST}->( $$in_ref );</td></tr>
+<tr><td class="h"><a name="165"></a>165</td><td></td><td></td><td></td><td></td><td class="s"> $$in_ref = '';</td></tr>
+<tr><td class="h"><a name="166"></a>166</td><td></td><td></td><td></td><td></td><td class="s"> 1;</td></tr>
+<tr><td class="h"><a name="167"></a>167</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="168"></a>168</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="169"></a>169</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
+<tr><td class="h"><a name="170"></a>170</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="171"></a>171</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="172"></a>172</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
+<tr><td class="h"><a name="173"></a>173</td><td></td><td></td><td></td><td></td><td class="s"> croak "'$_' missing a source" if _empty $internal;</td></tr>
+<tr><td class="h"><a name="174"></a>174</td><td></td><td></td><td></td><td></td><td class="s"> $self->{SOURCE} = $internal;</td></tr>
+<tr><td class="h"><a name="175"></a>175</td><td></td><td></td><td></td><td></td><td class="s"> if ( UNIVERSAL::isa( $internal, 'CODE' ) ) {</td></tr>
+<tr><td class="h"><a name="176"></a>176</td><td></td><td></td><td></td><td></td><td class="s"> push(</td></tr>
+<tr><td class="h"><a name="177"></a>177</td><td></td><td></td><td></td><td></td><td class="s"> @{$self->{FILTERS}},</td></tr>
+<tr><td class="h"><a name="178"></a>178</td><td></td><td></td><td></td><td></td><td class="s"> sub {</td></tr>
+<tr><td class="h"><a name="179"></a>179</td><td></td><td></td><td></td><td></td><td class="s"> my ( $in_ref, $out_ref ) = @_;</td></tr>
+<tr><td class="h"><a name="180"></a>180</td><td></td><td></td><td></td><td></td><td class="s"> return 0 if length $$out_ref;</td></tr>
+<tr><td class="h"><a name="181"></a>181</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="182"></a>182</td><td></td><td></td><td></td><td></td><td class="s"> return undef</td></tr>
+<tr><td class="h"><a name="183"></a>183</td><td></td><td></td><td></td><td></td><td class="s"> if $self->{SOURCE_EMPTY};</td></tr>
+<tr><td class="h"><a name="184"></a>184</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="185"></a>185</td><td></td><td></td><td></td><td></td><td class="s"> my $in = $internal->();</td></tr>
+<tr><td class="h"><a name="186"></a>186</td><td></td><td></td><td></td><td></td><td class="s"> unless ( defined $in ) {</td></tr>
+<tr><td class="h"><a name="187"></a>187</td><td></td><td></td><td></td><td></td><td class="s"> $self->{SOURCE_EMPTY} = 1;</td></tr>
+<tr><td class="h"><a name="188"></a>188</td><td></td><td></td><td></td><td></td><td class="s"> return undef </td></tr>
+<tr><td class="h"><a name="189"></a>189</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="190"></a>190</td><td></td><td></td><td></td><td></td><td class="s"> return 0 unless length $in;</td></tr>
+<tr><td class="h"><a name="191"></a>191</td><td></td><td></td><td></td><td></td><td class="s"> $$out_ref = $in;</td></tr>
+<tr><td class="h"><a name="192"></a>192</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="193"></a>193</td><td></td><td></td><td></td><td></td><td class="s"> return 1;</td></tr>
+<tr><td class="h"><a name="194"></a>194</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="195"></a>195</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
+<tr><td class="h"><a name="196"></a>196</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="197"></a>197</td><td></td><td></td><td></td><td></td><td class="s"> elsif ( UNIVERSAL::isa( $internal, 'SCALAR' ) ) {</td></tr>
+<tr><td class="h"><a name="198"></a>198</td><td></td><td></td><td></td><td></td><td class="s"> push(</td></tr>
+<tr><td class="h"><a name="199"></a>199</td><td></td><td></td><td></td><td></td><td class="s"> @{$self->{FILTERS}},</td></tr>
+<tr><td class="h"><a name="200"></a>200</td><td></td><td></td><td></td><td></td><td class="s"> sub {</td></tr>
+<tr><td class="h"><a name="201"></a>201</td><td></td><td></td><td></td><td></td><td class="s"> my ( $in_ref, $out_ref ) = @_;</td></tr>
+<tr><td class="h"><a name="202"></a>202</td><td></td><td></td><td></td><td></td><td class="s"> return 0 if length $$out_ref;</td></tr>
+<tr><td class="h"><a name="203"></a>203</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="204"></a>204</td><td></td><td></td><td></td><td></td><td class="s"> ## pump() clears auto_close_ins, finish() sets it.</td></tr>
+<tr><td class="h"><a name="205"></a>205</td><td></td><td></td><td></td><td></td><td class="s"> return $self->{HARNESS}->{auto_close_ins} ? undef : 0</td></tr>
+<tr><td class="h"><a name="206"></a>206</td><td></td><td></td><td></td><td></td><td class="s"> if IPC::Run::_empty ${$self->{SOURCE}}</td></tr>
+<tr><td class="h"><a name="207"></a>207</td><td></td><td></td><td></td><td></td><td class="s"> || $self->{SOURCE_EMPTY};</td></tr>
+<tr><td class="h"><a name="208"></a>208</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="209"></a>209</td><td></td><td></td><td></td><td></td><td class="s"> $$out_ref = $$internal;</td></tr>
+<tr><td class="h"><a name="210"></a>210</td><td></td><td></td><td></td><td></td><td class="s"> eval { $$internal = '' }</td></tr>
+<tr><td class="h"><a name="211"></a>211</td><td></td><td></td><td></td><td></td><td class="s"> if $self->{HARNESS}->{clear_ins};</td></tr>
+<tr><td class="h"><a name="212"></a>212</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="213"></a>213</td><td></td><td></td><td></td><td></td><td class="s"> $self->{SOURCE_EMPTY} = $self->{HARNESS}->{auto_close_ins};</td></tr>
+<tr><td class="h"><a name="214"></a>214</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="215"></a>215</td><td></td><td></td><td></td><td></td><td class="s"> return 1;</td></tr>
+<tr><td class="h"><a name="216"></a>216</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="217"></a>217</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
+<tr><td class="h"><a name="218"></a>218</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="219"></a>219</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="220"></a>220</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="221"></a>221</td><td></td><td></td><td></td><td></td><td class="s"> return $self;</td></tr>
+<tr><td class="h"><a name="222"></a>222</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="223"></a>223</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="224"></a>224</td><td></td><td></td><td></td><td></td><td class="s">=item filename</td></tr>
+<tr><td class="h"><a name="225"></a>225</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="226"></a>226</td><td></td><td></td><td></td><td></td><td class="s">Gets/sets the filename. Returns the value after the name change, if</td></tr>
+<tr><td class="h"><a name="227"></a>227</td><td></td><td></td><td></td><td></td><td class="s">any.</td></tr>
+<tr><td class="h"><a name="228"></a>228</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="229"></a>229</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="230"></a>230</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="231"></a>231</td><td></td><td></td><td></td><td></td><td class="s">sub filename {</td></tr>
+<tr><td class="h"><a name="232"></a>232</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = shift;</td></tr>
+<tr><td class="h"><a name="233"></a>233</td><td></td><td></td><td></td><td></td><td class="s"> $self->{FILENAME} = shift if @_;</td></tr>
+<tr><td class="h"><a name="234"></a>234</td><td></td><td></td><td></td><td></td><td class="s"> return $self->{FILENAME};</td></tr>
+<tr><td class="h"><a name="235"></a>235</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="236"></a>236</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="237"></a>237</td><td></td><td></td><td></td><td></td><td class="s">=item init</td></tr>
+<tr><td class="h"><a name="238"></a>238</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="239"></a>239</td><td></td><td></td><td></td><td></td><td class="s">Does initialization required before this can be run. This includes open()ing</td></tr>
+<tr><td class="h"><a name="240"></a>240</td><td></td><td></td><td></td><td></td><td class="s">the file, if necessary, and clearing the destination scalar if necessary.</td></tr>
+<tr><td class="h"><a name="241"></a>241</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="242"></a>242</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="243"></a>243</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="244"></a>244</td><td></td><td></td><td></td><td></td><td class="s">sub init {</td></tr>
+<tr><td class="h"><a name="245"></a>245</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = shift;</td></tr>
+<tr><td class="h"><a name="246"></a>246</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="247"></a>247</td><td></td><td></td><td></td><td></td><td class="s"> $self->{SOURCE_EMPTY} = 0;</td></tr>
+<tr><td class="h"><a name="248"></a>248</td><td></td><td></td><td></td><td></td><td class="s"> ${$self->{DEST}} = ''</td></tr>
+<tr><td class="h"><a name="249"></a>249</td><td></td><td></td><td></td><td></td><td class="s"> if $self->mode =~ /r/ && ref $self->{DEST} eq 'SCALAR';</td></tr>
+<tr><td class="h"><a name="250"></a>250</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="251"></a>251</td><td></td><td></td><td></td><td></td><td class="s"> $self->open if defined $self->filename;</td></tr>
+<tr><td class="h"><a name="252"></a>252</td><td></td><td></td><td></td><td></td><td class="s"> $self->{FD} = $self->fileno;</td></tr>
+<tr><td class="h"><a name="253"></a>253</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="254"></a>254</td><td></td><td></td><td></td><td></td><td class="s"> if ( ! $self->{FILTERS} ) {</td></tr>
+<tr><td class="h"><a name="255"></a>255</td><td></td><td></td><td></td><td></td><td class="s"> $self->{FBUFS} = undef;</td></tr>
+<tr><td class="h"><a name="256"></a>256</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="257"></a>257</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
+<tr><td class="h"><a name="258"></a>258</td><td></td><td></td><td></td><td></td><td class="s"> @{$self->{FBUFS}} = map {</td></tr>
+<tr><td class="h"><a name="259"></a>259</td><td></td><td></td><td></td><td></td><td class="s"> my $s = "";</td></tr>
+<tr><td class="h"><a name="260"></a>260</td><td></td><td></td><td></td><td></td><td class="s"> \$s;</td></tr>
+<tr><td class="h"><a name="261"></a>261</td><td></td><td></td><td></td><td></td><td class="s"> } ( @{$self->{FILTERS}}, '' );</td></tr>
+<tr><td class="h"><a name="262"></a>262</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="263"></a>263</td><td></td><td></td><td></td><td></td><td class="s"> $self->{FBUFS}->[0] = $self->{DEST}</td></tr>
+<tr><td class="h"><a name="264"></a>264</td><td></td><td></td><td></td><td></td><td class="s"> if $self->{DEST} && ref $self->{DEST} eq 'SCALAR';</td></tr>
+<tr><td class="h"><a name="265"></a>265</td><td></td><td></td><td></td><td></td><td class="s"> push @{$self->{FBUFS}}, $self->{SOURCE};</td></tr>
+<tr><td class="h"><a name="266"></a>266</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="267"></a>267</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="268"></a>268</td><td></td><td></td><td></td><td></td><td class="s"> return undef;</td></tr>
+<tr><td class="h"><a name="269"></a>269</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="270"></a>270</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="271"></a>271</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="272"></a>272</td><td></td><td></td><td></td><td></td><td class="s">=item open</td></tr>
+<tr><td class="h"><a name="273"></a>273</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="274"></a>274</td><td></td><td></td><td></td><td></td><td class="s">If a filename was passed in, opens it. Determines if the handle is open</td></tr>
+<tr><td class="h"><a name="275"></a>275</td><td></td><td></td><td></td><td></td><td class="s">via fileno(). Throws an exception on error.</td></tr>
+<tr><td class="h"><a name="276"></a>276</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="277"></a>277</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="278"></a>278</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="279"></a>279</td><td class="c3">1</td><td class="c3"><span title="Avg 3µs">3µs</span></td><td></td><td></td><td class="s">my %open_flags = (</td></tr>
+<tr><td class="h"><a name="280"></a>280</td><td></td><td></td><td></td><td></td><td class="s"> '>' => O_RDONLY,</td></tr>
+<tr><td class="h"><a name="281"></a>281</td><td></td><td></td><td></td><td></td><td class="s"> '>>' => O_RDONLY,</td></tr>
+<tr><td class="h"><a name="282"></a>282</td><td></td><td></td><td></td><td></td><td class="s"> '<' => O_WRONLY | O_CREAT | O_TRUNC,</td></tr>
+<tr><td class="h"><a name="283"></a>283</td><td></td><td></td><td></td><td></td><td class="s"> '<<' => O_WRONLY | O_CREAT | O_APPEND,</td></tr>
+<tr><td class="h"><a name="284"></a>284</td><td></td><td></td><td></td><td></td><td class="s">);</td></tr>
+<tr><td class="h"><a name="285"></a>285</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="286"></a>286</td><td></td><td></td><td></td><td></td><td class="s">sub open {</td></tr>
+<tr><td class="h"><a name="287"></a>287</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = shift;</td></tr>
+<tr><td class="h"><a name="288"></a>288</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="289"></a>289</td><td></td><td></td><td></td><td></td><td class="s"> croak "IPC::Run::IO: Can't open() a file with no name"</td></tr>
+<tr><td class="h"><a name="290"></a>290</td><td></td><td></td><td></td><td></td><td class="s"> unless defined $self->{FILENAME};</td></tr>
+<tr><td class="h"><a name="291"></a>291</td><td></td><td></td><td></td><td></td><td class="s"> $self->{HANDLE} = gensym unless $self->{HANDLE};</td></tr>
+<tr><td class="h"><a name="292"></a>292</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="293"></a>293</td><td></td><td></td><td></td><td></td><td class="s"> _debug</td></tr>
+<tr><td class="h"><a name="294"></a>294</td><td></td><td></td><td></td><td></td><td class="s"> "opening '", $self->filename, "' mode '", $self->mode, "'"</td></tr>
+<tr><td class="h"><a name="295"></a>295</td><td></td><td></td><td></td><td></td><td class="s"> if _debugging_data;</td></tr>
+<tr><td class="h"><a name="296"></a>296</td><td></td><td></td><td></td><td></td><td class="s"> sysopen(</td></tr>
+<tr><td class="h"><a name="297"></a>297</td><td></td><td></td><td></td><td></td><td class="s"> $self->{HANDLE},</td></tr>
+<tr><td class="h"><a name="298"></a>298</td><td></td><td></td><td></td><td></td><td class="s"> $self->filename,</td></tr>
+<tr><td class="h"><a name="299"></a>299</td><td></td><td></td><td></td><td></td><td class="s"> $open_flags{$self->op},</td></tr>
+<tr><td class="h"><a name="300"></a>300</td><td></td><td></td><td></td><td></td><td class="s"> ) or croak</td></tr>
+<tr><td class="h"><a name="301"></a>301</td><td></td><td></td><td></td><td></td><td class="s"> "IPC::Run::IO: $! opening '$self->{FILENAME}', mode '" . $self->mode . "'";</td></tr>
+<tr><td class="h"><a name="302"></a>302</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="303"></a>303</td><td></td><td></td><td></td><td></td><td class="s"> return undef;</td></tr>
+<tr><td class="h"><a name="304"></a>304</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="305"></a>305</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="306"></a>306</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="307"></a>307</td><td></td><td></td><td></td><td></td><td class="s">=item open_pipe</td></tr>
+<tr><td class="h"><a name="308"></a>308</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="309"></a>309</td><td></td><td></td><td></td><td></td><td class="s">If this is a redirection IO object, this opens the pipe in a platform</td></tr>
+<tr><td class="h"><a name="310"></a>310</td><td></td><td></td><td></td><td></td><td class="s">independent manner.</td></tr>
+<tr><td class="h"><a name="311"></a>311</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="312"></a>312</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="313"></a>313</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="314"></a>314</td><td></td><td></td><td></td><td></td><td class="s">sub _do_open {</td></tr>
+<tr><td class="h"><a name="315"></a>315</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr>
+<tr><td class="h"><a name="316"></a>316</td><td></td><td></td><td></td><td></td><td class="s"> my ( $child_debug_fd, $parent_handle ) = @_;</td></tr>
+<tr><td class="h"><a name="317"></a>317</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="318"></a>318</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="319"></a>319</td><td></td><td></td><td></td><td></td><td class="s"> if ( $self->dir eq "<" ) {</td></tr>
+<tr><td class="h"><a name="320"></a>320</td><td></td><td></td><td></td><td></td><td class="s"> ( $self->{TFD}, $self->{FD} ) = IPC::Run::_pipe_nb;</td></tr>
+<tr><td class="h"><a name="321"></a>321</td><td></td><td></td><td></td><td></td><td class="s"> if ( $parent_handle ) {</td></tr>
+<tr><td class="h"><a name="322"></a>322</td><td></td><td></td><td></td><td></td><td class="s"> CORE::open $parent_handle, ">&=$self->{FD}"</td></tr>
+<tr><td class="h"><a name="323"></a>323</td><td></td><td></td><td></td><td></td><td class="s"> or croak "$! duping write end of pipe for caller";</td></tr>
+<tr><td class="h"><a name="324"></a>324</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="325"></a>325</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="326"></a>326</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
+<tr><td class="h"><a name="327"></a>327</td><td></td><td></td><td></td><td></td><td class="s"> ( $self->{FD}, $self->{TFD} ) = IPC::Run::_pipe;</td></tr>
+<tr><td class="h"><a name="328"></a>328</td><td></td><td></td><td></td><td></td><td class="s"> if ( $parent_handle ) {</td></tr>
+<tr><td class="h"><a name="329"></a>329</td><td></td><td></td><td></td><td></td><td class="s"> CORE::open $parent_handle, "<&=$self->{FD}"</td></tr>
+<tr><td class="h"><a name="330"></a>330</td><td></td><td></td><td></td><td></td><td class="s"> or croak "$! duping read end of pipe for caller";</td></tr>
+<tr><td class="h"><a name="331"></a>331</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="332"></a>332</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="333"></a>333</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="334"></a>334</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="335"></a>335</td><td></td><td></td><td></td><td></td><td class="s">sub open_pipe {</td></tr>
+<tr><td class="h"><a name="336"></a>336</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = shift;</td></tr>
+<tr><td class="h"><a name="337"></a>337</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="338"></a>338</td><td></td><td></td><td></td><td></td><td class="s"> ## Hmmm, Maybe allow named pipes one day. But until then...</td></tr>
+<tr><td class="h"><a name="339"></a>339</td><td></td><td></td><td></td><td></td><td class="s"> croak "IPC::Run::IO: Can't pipe() when a file name has been set"</td></tr>
+<tr><td class="h"><a name="340"></a>340</td><td></td><td></td><td></td><td></td><td class="s"> if defined $self->{FILENAME};</td></tr>
+<tr><td class="h"><a name="341"></a>341</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="342"></a>342</td><td></td><td></td><td></td><td></td><td class="s"> $self->_do_open( @_ );</td></tr>
+<tr><td class="h"><a name="343"></a>343</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="344"></a>344</td><td></td><td></td><td></td><td></td><td class="s"> ## return ( child_fd, parent_fd )</td></tr>
+<tr><td class="h"><a name="345"></a>345</td><td></td><td></td><td></td><td></td><td class="s"> return $self->dir eq "<"</td></tr>
+<tr><td class="h"><a name="346"></a>346</td><td></td><td></td><td></td><td></td><td class="s"> ? ( $self->{TFD}, $self->{FD} )</td></tr>
+<tr><td class="h"><a name="347"></a>347</td><td></td><td></td><td></td><td></td><td class="s"> : ( $self->{FD}, $self->{TFD} );</td></tr>
+<tr><td class="h"><a name="348"></a>348</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="349"></a>349</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="350"></a>350</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="351"></a>351</td><td></td><td></td><td></td><td></td><td class="s">sub _cleanup { ## Called from Run.pm's _cleanup</td></tr>
+<tr><td class="h"><a name="352"></a>352</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr>
+<tr><td class="h"><a name="353"></a>353</td><td></td><td></td><td></td><td></td><td class="s"> undef $self->{FAKE_PIPE};</td></tr>
+<tr><td class="h"><a name="354"></a>354</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="355"></a>355</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="356"></a>356</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="357"></a>357</td><td></td><td></td><td></td><td></td><td class="s">=item close</td></tr>
+<tr><td class="h"><a name="358"></a>358</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="359"></a>359</td><td></td><td></td><td></td><td></td><td class="s">Closes the handle. Throws an exception on failure.</td></tr>
+<tr><td class="h"><a name="360"></a>360</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="361"></a>361</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="362"></a>362</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="363"></a>363</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="364"></a>364</td><td></td><td></td><td></td><td></td><td class="s">sub close {</td></tr>
+<tr><td class="h"><a name="365"></a>365</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = shift;</td></tr>
+<tr><td class="h"><a name="366"></a>366</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="367"></a>367</td><td></td><td></td><td></td><td></td><td class="s"> if ( defined $self->{HANDLE} ) {</td></tr>
+<tr><td class="h"><a name="368"></a>368</td><td></td><td></td><td></td><td></td><td class="s"> close $self->{HANDLE}</td></tr>
+<tr><td class="h"><a name="369"></a>369</td><td></td><td></td><td></td><td></td><td class="s"> or croak( "IPC::Run::IO: $! closing "</td></tr>
+<tr><td class="h"><a name="370"></a>370</td><td></td><td></td><td></td><td></td><td class="s"> . ( defined $self->{FILENAME}</td></tr>
+<tr><td class="h"><a name="371"></a>371</td><td></td><td></td><td></td><td></td><td class="s"> ? "'$self->{FILENAME}'"</td></tr>
+<tr><td class="h"><a name="372"></a>372</td><td></td><td></td><td></td><td></td><td class="s"> : "handle"</td></tr>
+<tr><td class="h"><a name="373"></a>373</td><td></td><td></td><td></td><td></td><td class="s"> )</td></tr>
+<tr><td class="h"><a name="374"></a>374</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
+<tr><td class="h"><a name="375"></a>375</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="376"></a>376</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
+<tr><td class="h"><a name="377"></a>377</td><td></td><td></td><td></td><td></td><td class="s"> IPC::Run::_close( $self->{FD} );</td></tr>
+<tr><td class="h"><a name="378"></a>378</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="379"></a>379</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="380"></a>380</td><td></td><td></td><td></td><td></td><td class="s"> $self->{FD} = undef;</td></tr>
+<tr><td class="h"><a name="381"></a>381</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="382"></a>382</td><td></td><td></td><td></td><td></td><td class="s"> return undef;</td></tr>
+<tr><td class="h"><a name="383"></a>383</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="384"></a>384</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="385"></a>385</td><td></td><td></td><td></td><td></td><td class="s">=item fileno</td></tr>
+<tr><td class="h"><a name="386"></a>386</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="387"></a>387</td><td></td><td></td><td></td><td></td><td class="s">Returns the fileno of the handle. Throws an exception on failure.</td></tr>
+<tr><td class="h"><a name="388"></a>388</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="389"></a>389</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="390"></a>390</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="391"></a>391</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="392"></a>392</td><td></td><td></td><td></td><td></td><td class="s">sub fileno {</td></tr>
+<tr><td class="h"><a name="393"></a>393</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = shift;</td></tr>
+<tr><td class="h"><a name="394"></a>394</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="395"></a>395</td><td></td><td></td><td></td><td></td><td class="s"> my $fd = fileno $self->{HANDLE};</td></tr>
+<tr><td class="h"><a name="396"></a>396</td><td></td><td></td><td></td><td></td><td class="s"> croak( "IPC::Run::IO: $! "</td></tr>
+<tr><td class="h"><a name="397"></a>397</td><td></td><td></td><td></td><td></td><td class="s"> . ( defined $self->{FILENAME}</td></tr>
+<tr><td class="h"><a name="398"></a>398</td><td></td><td></td><td></td><td></td><td class="s"> ? "'$self->{FILENAME}'"</td></tr>
+<tr><td class="h"><a name="399"></a>399</td><td></td><td></td><td></td><td></td><td class="s"> : "handle"</td></tr>
+<tr><td class="h"><a name="400"></a>400</td><td></td><td></td><td></td><td></td><td class="s"> )</td></tr>
+<tr><td class="h"><a name="401"></a>401</td><td></td><td></td><td></td><td></td><td class="s"> ) unless defined $fd;</td></tr>
+<tr><td class="h"><a name="402"></a>402</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="403"></a>403</td><td></td><td></td><td></td><td></td><td class="s"> return $fd;</td></tr>
+<tr><td class="h"><a name="404"></a>404</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="405"></a>405</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="406"></a>406</td><td></td><td></td><td></td><td></td><td class="s">=item mode</td></tr>
+<tr><td class="h"><a name="407"></a>407</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="408"></a>408</td><td></td><td></td><td></td><td></td><td class="s">Returns the operator in terms of 'r', 'w', and 'a'. There is a state</td></tr>
+<tr><td class="h"><a name="409"></a>409</td><td></td><td></td><td></td><td></td><td class="s">'ra', unlike Perl's open(), which indicates that data read from the</td></tr>
+<tr><td class="h"><a name="410"></a>410</td><td></td><td></td><td></td><td></td><td class="s">handle or file will be appended to the output if the output is a scalar.</td></tr>
+<tr><td class="h"><a name="411"></a>411</td><td></td><td></td><td></td><td></td><td class="s">This is only meaningful if the output is a scalar, it has no effect if</td></tr>
+<tr><td class="h"><a name="412"></a>412</td><td></td><td></td><td></td><td></td><td class="s">the output is a subroutine.</td></tr>
+<tr><td class="h"><a name="413"></a>413</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="414"></a>414</td><td></td><td></td><td></td><td></td><td class="s">The redirection operators can be a little confusing, so here's a reference</td></tr>
+<tr><td class="h"><a name="415"></a>415</td><td></td><td></td><td></td><td></td><td class="s">table:</td></tr>
+<tr><td class="h"><a name="416"></a>416</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="417"></a>417</td><td></td><td></td><td></td><td></td><td class="s"> > r Read from handle in to process</td></tr>
+<tr><td class="h"><a name="418"></a>418</td><td></td><td></td><td></td><td></td><td class="s"> < w Write from process out to handle</td></tr>
+<tr><td class="h"><a name="419"></a>419</td><td></td><td></td><td></td><td></td><td class="s"> >> ra Read from handle in to process, appending it to existing</td></tr>
+<tr><td class="h"><a name="420"></a>420</td><td></td><td></td><td></td><td></td><td class="s"> data if the destination is a scalar.</td></tr>
+<tr><td class="h"><a name="421"></a>421</td><td></td><td></td><td></td><td></td><td class="s"> << wa Write from process out to handle, appending to existing</td></tr>
+<tr><td class="h"><a name="422"></a>422</td><td></td><td></td><td></td><td></td><td class="s"> data if IPC::Run::IO opened a named file.</td></tr>
+<tr><td class="h"><a name="423"></a>423</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="424"></a>424</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="425"></a>425</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="426"></a>426</td><td></td><td></td><td></td><td></td><td class="s">sub mode {</td></tr>
+<tr><td class="h"><a name="427"></a>427</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = shift;</td></tr>
+<tr><td class="h"><a name="428"></a>428</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="429"></a>429</td><td></td><td></td><td></td><td></td><td class="s"> croak "IPC::Run::IO: unexpected arguments for mode(): @_" if @_;</td></tr>
+<tr><td class="h"><a name="430"></a>430</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="431"></a>431</td><td></td><td></td><td></td><td></td><td class="s"> ## TODO: Optimize this</td></tr>
+<tr><td class="h"><a name="432"></a>432</td><td></td><td></td><td></td><td></td><td class="s"> return ( $self->{TYPE} =~ /</ ? 'w' : 'r' ) . </td></tr>
+<tr><td class="h"><a name="433"></a>433</td><td></td><td></td><td></td><td></td><td class="s"> ( $self->{TYPE} =~ /<<|>>/ ? 'a' : '' );</td></tr>
+<tr><td class="h"><a name="434"></a>434</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="435"></a>435</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="436"></a>436</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="437"></a>437</td><td></td><td></td><td></td><td></td><td class="s">=item op</td></tr>
+<tr><td class="h"><a name="438"></a>438</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="439"></a>439</td><td></td><td></td><td></td><td></td><td class="s">Returns the operation: '<', '>', '<<', '>>'. See L</mode> if you want</td></tr>
+<tr><td class="h"><a name="440"></a>440</td><td></td><td></td><td></td><td></td><td class="s">to spell these 'r', 'w', etc.</td></tr>
+<tr><td class="h"><a name="441"></a>441</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="442"></a>442</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="443"></a>443</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="444"></a>444</td><td></td><td></td><td></td><td></td><td class="s">sub op {</td></tr>
+<tr><td class="h"><a name="445"></a>445</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = shift;</td></tr>
+<tr><td class="h"><a name="446"></a>446</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="447"></a>447</td><td></td><td></td><td></td><td></td><td class="s"> croak "IPC::Run::IO: unexpected arguments for op(): @_" if @_;</td></tr>
+<tr><td class="h"><a name="448"></a>448</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="449"></a>449</td><td></td><td></td><td></td><td></td><td class="s"> return $self->{TYPE};</td></tr>
+<tr><td class="h"><a name="450"></a>450</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="451"></a>451</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="452"></a>452</td><td></td><td></td><td></td><td></td><td class="s">=item binmode</td></tr>
+<tr><td class="h"><a name="453"></a>453</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="454"></a>454</td><td></td><td></td><td></td><td></td><td class="s">Sets/gets whether this pipe is in binmode or not. No effect off of Win32</td></tr>
+<tr><td class="h"><a name="455"></a>455</td><td></td><td></td><td></td><td></td><td class="s">OSs, of course, and on Win32, no effect after the harness is start()ed.</td></tr>
+<tr><td class="h"><a name="456"></a>456</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="457"></a>457</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="458"></a>458</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="459"></a>459</td><td></td><td></td><td></td><td></td><td class="s">sub binmode {</td></tr>
+<tr><td class="h"><a name="460"></a>460</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = shift;</td></tr>
+<tr><td class="h"><a name="461"></a>461</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="462"></a>462</td><td></td><td></td><td></td><td></td><td class="s"> $self->{BINMODE} = shift if @_;</td></tr>
+<tr><td class="h"><a name="463"></a>463</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="464"></a>464</td><td></td><td></td><td></td><td></td><td class="s"> return $self->{BINMODE};</td></tr>
+<tr><td class="h"><a name="465"></a>465</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="466"></a>466</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="467"></a>467</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="468"></a>468</td><td></td><td></td><td></td><td></td><td class="s">=item dir</td></tr>
+<tr><td class="h"><a name="469"></a>469</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="470"></a>470</td><td></td><td></td><td></td><td></td><td class="s">Returns the first character of $self->op. This is either "<" or ">".</td></tr>
+<tr><td class="h"><a name="471"></a>471</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="472"></a>472</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="473"></a>473</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="474"></a>474</td><td></td><td></td><td></td><td></td><td class="s">sub dir {</td></tr>
+<tr><td class="h"><a name="475"></a>475</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = shift;</td></tr>
+<tr><td class="h"><a name="476"></a>476</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="477"></a>477</td><td></td><td></td><td></td><td></td><td class="s"> croak "IPC::Run::IO: unexpected arguments for dir(): @_" if @_;</td></tr>
+<tr><td class="h"><a name="478"></a>478</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="479"></a>479</td><td></td><td></td><td></td><td></td><td class="s"> return substr $self->{TYPE}, 0, 1;</td></tr>
+<tr><td class="h"><a name="480"></a>480</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="481"></a>481</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="482"></a>482</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="483"></a>483</td><td></td><td></td><td></td><td></td><td class="s">##</td></tr>
+<tr><td class="h"><a name="484"></a>484</td><td></td><td></td><td></td><td></td><td class="s">## Filter Scaffolding</td></tr>
+<tr><td class="h"><a name="485"></a>485</td><td></td><td></td><td></td><td></td><td class="s">##</td></tr>
+<tr><td class="h"><a name="486"></a>486</td><td></td><td></td><td></td><td></td><td class="s">#my $filter_op ; ## The op running a filter chain right now</td></tr>
+<tr><td class="h"><a name="487"></a>487</td><td></td><td></td><td></td><td></td><td class="s">#my $filter_num; ## Which filter is being run right now.</td></tr>
+<tr><td class="h"><a name="488"></a>488</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="489"></a>489</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 61µs (12+50) within IPC::Run::IO::BEGIN@489 which was called:
+# once (12µs+50µs) by Text::Tradition::Collation::BEGIN@7 at <a href="IPC-Run-IO-pm-740-block.html#492">line 492</a></div></div>use vars (</td></tr>
+<tr><td class="h"><a name="490"></a>490</td><td class="c3">2</td><td class="c3"><span title="Avg 3µs">6µs</span></td><td></td><td></td><td class="s">'$filter_op', ## The op running a filter chain right now</td></tr>
+<tr><td class="h"><a name="491"></a>491</td><td></td><td></td><td></td><td></td><td class="s">'$filter_num' ## Which filter is being run right now.</td></tr>
+<tr><td class="h"><a name="492"></a>492</td><td class="c3">1</td><td class="c0"><span title="Avg 371µs">371µs</span></td><td class="c3">2</td><td class="c3">111µs</td><td class="s">);<div class="calls"><div class="calls_out"># spent 61µs making 1 call to <a href="IPC-Run-IO-pm-740-block.html#489">IPC::Run::IO::BEGIN@489</a>
+# spent 50µs making 1 call to <a href="vars-pm-6-block.html#10">vars::import</a></div></div></td></tr>
+<tr><td class="h"><a name="493"></a>493</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="494"></a>494</td><td></td><td></td><td></td><td></td><td class="s">sub _init_filters {</td></tr>
+<tr><td class="h"><a name="495"></a>495</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = shift;</td></tr>
+<tr><td class="h"><a name="496"></a>496</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="497"></a>497</td><td></td><td></td><td></td><td></td><td class="s">confess "\$self not an IPC::Run::IO" unless UNIVERSAL::isa( $self, "IPC::Run::IO" );</td></tr>
+<tr><td class="h"><a name="498"></a>498</td><td></td><td></td><td></td><td></td><td class="s"> $self->{FBUFS} = [];</td></tr>
+<tr><td class="h"><a name="499"></a>499</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="500"></a>500</td><td></td><td></td><td></td><td></td><td class="s"> $self->{FBUFS}->[0] = $self->{DEST}</td></tr>
+<tr><td class="h"><a name="501"></a>501</td><td></td><td></td><td></td><td></td><td class="s"> if $self->{DEST} && ref $self->{DEST} eq 'SCALAR';</td></tr>
+<tr><td class="h"><a name="502"></a>502</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="503"></a>503</td><td></td><td></td><td></td><td></td><td class="s"> return unless $self->{FILTERS} && @{$self->{FILTERS}};</td></tr>
+<tr><td class="h"><a name="504"></a>504</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="505"></a>505</td><td></td><td></td><td></td><td></td><td class="s"> push @{$self->{FBUFS}}, map {</td></tr>
+<tr><td class="h"><a name="506"></a>506</td><td></td><td></td><td></td><td></td><td class="s"> my $s = "";</td></tr>
+<tr><td class="h"><a name="507"></a>507</td><td></td><td></td><td></td><td></td><td class="s"> \$s;</td></tr>
+<tr><td class="h"><a name="508"></a>508</td><td></td><td></td><td></td><td></td><td class="s"> } ( @{$self->{FILTERS}}, '' );</td></tr>
+<tr><td class="h"><a name="509"></a>509</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="510"></a>510</td><td></td><td></td><td></td><td></td><td class="s"> push @{$self->{FBUFS}}, $self->{SOURCE};</td></tr>
+<tr><td class="h"><a name="511"></a>511</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="512"></a>512</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="513"></a>513</td><td></td><td></td><td></td><td></td><td class="s">=item poll</td></tr>
+<tr><td class="h"><a name="514"></a>514</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="515"></a>515</td><td></td><td></td><td></td><td></td><td class="s">TODO: Needs confirmation that this is correct. Was previously undocumented.</td></tr>
+<tr><td class="h"><a name="516"></a>516</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="517"></a>517</td><td></td><td></td><td></td><td></td><td class="s">I believe this is polling the IO for new input and then returns undef if there will never be any more input, 0 if there is none now, but there might be in the future, and TRUE if more input was gotten.</td></tr>
+<tr><td class="h"><a name="518"></a>518</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="519"></a>519</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="520"></a>520</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="521"></a>521</td><td></td><td></td><td></td><td></td><td class="s">sub poll {</td></tr>
+<tr><td class="h"><a name="522"></a>522</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = shift;</td></tr>
+<tr><td class="h"><a name="523"></a>523</td><td></td><td></td><td></td><td></td><td class="s"> my ( $harness ) = @_;</td></tr>
+<tr><td class="h"><a name="524"></a>524</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="525"></a>525</td><td></td><td></td><td></td><td></td><td class="s"> if ( defined $self->{FD} ) {</td></tr>
+<tr><td class="h"><a name="526"></a>526</td><td></td><td></td><td></td><td></td><td class="s"> my $d = $self->dir;</td></tr>
+<tr><td class="h"><a name="527"></a>527</td><td></td><td></td><td></td><td></td><td class="s"> if ( $d eq "<" ) {</td></tr>
+<tr><td class="h"><a name="528"></a>528</td><td></td><td></td><td></td><td></td><td class="s"> if ( vec $harness->{WOUT}, $self->{FD}, 1 ) {</td></tr>
+<tr><td class="h"><a name="529"></a>529</td><td></td><td></td><td></td><td></td><td class="s"> _debug_desc_fd( "filtering data to", $self )</td></tr>
+<tr><td class="h"><a name="530"></a>530</td><td></td><td></td><td></td><td></td><td class="s"> if _debugging_details;</td></tr>
+<tr><td class="h"><a name="531"></a>531</td><td></td><td></td><td></td><td></td><td class="s"> return $self->_do_filters( $harness );</td></tr>
+<tr><td class="h"><a name="532"></a>532</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="533"></a>533</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="534"></a>534</td><td></td><td></td><td></td><td></td><td class="s"> elsif ( $d eq ">" ) {</td></tr>
+<tr><td class="h"><a name="535"></a>535</td><td></td><td></td><td></td><td></td><td class="s"> if ( vec $harness->{ROUT}, $self->{FD}, 1 ) {</td></tr>
+<tr><td class="h"><a name="536"></a>536</td><td></td><td></td><td></td><td></td><td class="s"> _debug_desc_fd( "filtering data from", $self )</td></tr>
+<tr><td class="h"><a name="537"></a>537</td><td></td><td></td><td></td><td></td><td class="s"> if _debugging_details;</td></tr>
+<tr><td class="h"><a name="538"></a>538</td><td></td><td></td><td></td><td></td><td class="s"> return $self->_do_filters( $harness );</td></tr>
+<tr><td class="h"><a name="539"></a>539</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="540"></a>540</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="541"></a>541</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="542"></a>542</td><td></td><td></td><td></td><td></td><td class="s"> return 0;</td></tr>
+<tr><td class="h"><a name="543"></a>543</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="544"></a>544</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="545"></a>545</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="546"></a>546</td><td></td><td></td><td></td><td></td><td class="s">sub _do_filters {</td></tr>
+<tr><td class="h"><a name="547"></a>547</td><td></td><td></td><td></td><td></td><td class="s"> my IPC::Run::IO $self = shift;</td></tr>
+<tr><td class="h"><a name="548"></a>548</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="549"></a>549</td><td></td><td></td><td></td><td></td><td class="s"> ( $self->{HARNESS} ) = @_;</td></tr>
+<tr><td class="h"><a name="550"></a>550</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="551"></a>551</td><td></td><td></td><td></td><td></td><td class="s"> my ( $saved_op, $saved_num ) =($IPC::Run::filter_op,$IPC::Run::filter_num);</td></tr>
+<tr><td class="h"><a name="552"></a>552</td><td></td><td></td><td></td><td></td><td class="s"> $IPC::Run::filter_op = $self;</td></tr>
+<tr><td class="h"><a name="553"></a>553</td><td></td><td></td><td></td><td></td><td class="s"> $IPC::Run::filter_num = -1;</td></tr>
+<tr><td class="h"><a name="554"></a>554</td><td></td><td></td><td></td><td></td><td class="s"> my $redos = 0;</td></tr>
+<tr><td class="h"><a name="555"></a>555</td><td></td><td></td><td></td><td></td><td class="s"> my $r;</td></tr>
+<tr><td class="h"><a name="556"></a>556</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
+<tr><td class="h"><a name="557"></a>557</td><td></td><td></td><td></td><td></td><td class="s"> $@ = '';</td></tr>
+<tr><td class="h"><a name="558"></a>558</td><td></td><td></td><td></td><td></td><td class="s"> $r = eval { IPC::Run::get_more_input(); };</td></tr>
+<tr><td class="h"><a name="559"></a>559</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="560"></a>560</td><td></td><td></td><td></td><td></td><td class="s"> # Detect Resource temporarily unavailable and re-try 200 times (2 seconds), assuming select behaves (which it doesn't always? need ref)</td></tr>
+<tr><td class="h"><a name="561"></a>561</td><td></td><td></td><td></td><td></td><td class="s"> if(($@||'') =~ $IPC::Run::_EAGAIN && $redos++ < 200) {</td></tr>
+<tr><td class="h"><a name="562"></a>562</td><td></td><td></td><td></td><td></td><td class="s"> select(undef, undef, undef, 0.01);</td></tr>
+<tr><td class="h"><a name="563"></a>563</td><td></td><td></td><td></td><td></td><td class="s"> redo;</td></tr>
+<tr><td class="h"><a name="564"></a>564</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="565"></a>565</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="566"></a>566</td><td></td><td></td><td></td><td></td><td class="s"> ( $IPC::Run::filter_op, $IPC::Run::filter_num ) = ( $saved_op, $saved_num );</td></tr>
+<tr><td class="h"><a name="567"></a>567</td><td></td><td></td><td></td><td></td><td class="s"> $self->{HARNESS} = undef;</td></tr>
+<tr><td class="h"><a name="568"></a>568</td><td></td><td></td><td></td><td></td><td class="s"> die "ack ", $@ if $@;</td></tr>
+<tr><td class="h"><a name="569"></a>569</td><td></td><td></td><td></td><td></td><td class="s"> return $r;</td></tr>
+<tr><td class="h"><a name="570"></a>570</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="571"></a>571</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="572"></a>572</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
+<tr><td class="h"><a name="573"></a>573</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="574"></a>574</td><td></td><td></td><td></td><td></td><td class="s">=head1 AUTHOR</td></tr>
+<tr><td class="h"><a name="575"></a>575</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="576"></a>576</td><td></td><td></td><td></td><td></td><td class="s">Barrie Slaymaker <barries@slaysys.com></td></tr>
+<tr><td class="h"><a name="577"></a>577</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="578"></a>578</td><td></td><td></td><td></td><td></td><td class="s">=head1 TODO</td></tr>
+<tr><td class="h"><a name="579"></a>579</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="580"></a>580</td><td></td><td></td><td></td><td></td><td class="s">Implement bidirectionality.</td></tr>
+<tr><td class="h"><a name="581"></a>581</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="582"></a>582</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="583"></a>583</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="584"></a>584</td><td class="c3">1</td><td class="c3"><span title="Avg 7µs">7µs</span></td><td></td><td></td><td class="s">1;</td></tr>
+</tbody></table></div>
+
+ <script type="text/javascript"> $(document).ready(function() {
+
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+ <div class="footer">Report produced by the
+ <a href="http://search.cpan.org/dist/Devel-NYTProf/">NYTProf 4.06</a>
+ Perl profiler, developed by
+ <a href="http://www.linkedin.com/in/timbunce">Tim Bunce</a> and
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