4 use File::Basename qw(&basename &dirname);
7 # List explicitly here the variables you want Configure to
8 # generate. Metaconfig only looks for shell variables, so you
9 # have to mention them as if they were shell variables, not
10 # %Config entries. Thus you write
12 # to ensure Configure will look for $Config{startperl}.
14 # This forces PL files to create target in same directory as PL file.
15 # This is so that make depend always knows where to find PL derivatives.
18 $file = basename($0, '.PL');
19 $file .= '.com' if $^O eq 'VMS';
21 open OUT,">$file" or die "Can't create $file: $!";
23 print "Extracting $file (with variable substitutions)\n";
25 # In this section, perl variables will be expanded during extraction.
26 # You can use $Config{...} to use Configure variables.
28 print OUT <<"!GROK!THIS!";
30 eval 'exec $Config{perlpath} -S \$0 \${1+"\$@"}'
31 if \$running_under_some_shell;
34 # In the following, perl variables are not expanded during extraction.
36 print OUT <<'!NO!SUBS!';
38 # pod2text -- Convert POD data to formatted ASCII text.
40 # Copyright 1999 by Russ Allbery <rra@stanford.edu>
42 # This program is free software; you can redistribute it and/or modify it
43 # under the same terms as Perl itself.
45 # The driver script for Pod::Text, Pod::Text::Termcap, and Pod::Text::Color,
46 # invoked by perldoc -t among other things.
50 use Getopt::Long qw(GetOptions);
52 use Pod::Usage qw(pod2usage);
57 # Take an initial pass through our options, looking for one of the form
58 # -<number>. We turn that into -w <number> for compatibility with the
59 # original pod2text script.
60 for (my $i = 0; $i < @ARGV; $i++) {
61 last if $ARGV[$i] =~ /^--$/;
62 if ($ARGV[$i] =~ /^-(\d+)$/) {
63 splice (@ARGV, $i++, 1, '-w', $1);
67 # Parse our options. Use the same names as Pod::Text for simplicity, and
68 # default to sentence boundaries turned off for compatibility.
70 $options{termcap} = -t STDOUT;
71 $options{sentence} = 0;
72 Getopt::Long::config ('bundling');
73 GetOptions (\%options, 'alt|a', 'color|c', 'help|h', 'indent|i=i',
74 'loose|l', 'sentence|s', 'termcap|t!', 'width|w=i') or exit 1;
75 pod2usage (1) if $options{help};
77 # Figure out what formatter we're going to use. -c overrides -t.
78 my $formatter = 'Pod::Text';
79 if ($options{color}) {
80 $formatter = 'Pod::Text::Color';
81 eval { require Term::ANSIColor };
82 if ($@) { die "-c (--color) requires Term::ANSIColor be installed\n" }
83 require Pod::Text::Color;
84 } elsif ($options{termcap}) {
85 $formatter = 'Pod::Text::Termcap';
86 require Pod::Text::Termcap;
88 delete @options{'color', 'termcap'};
90 # Initialize and run the formatter.
91 my $parser = $formatter->new (%options);
92 $parser->parse_from_file (@ARGV);
98 pod2text - Convert POD data to formatted ASCII text
102 pod2text [B<-aclst>] [B<-i> I<indent>] [B<-w> I<width>] [I<input> [I<output>]]
108 B<pod2text> is a front-end for Pod::Text and its subclasses. It uses them
109 to generate formatted ASCII text from POD source. It can optionally use
110 either termcap sequences or ANSI color escape sequences to format the text.
112 I<input> is the file to read for POD source (the POD can be embedded in
113 code). If I<input> isn't given, it defaults to STDIN. I<output>, if given,
114 is the file to which to write the formatted output. If I<output> isn't
115 given, the formatted output is written to STDOUT.
117 B<pod2text> defaults to trying to use Pod::Text::Termcap if STDOUT is a tty.
118 To explicitly say not to attempt termcap escape sequences, use
125 =item B<-a>, B<--alt>
127 Use an alternate output format that, among other things, uses a different
128 heading style and marks C<=item> entries with a colon in the left margin.
130 =item B<-c>, B<--color>
132 Format the output with ANSI color escape sequences. Using this option
133 requires that Term::ANSIColor be installed on your system.
135 =item B<-i> I<indent>, B<--indent=>I<indent>
137 Set the number of spaces to indent regular text, and the default indentation
138 for C<=over> blocks. Defaults to 4 spaces if this option isn't given.
140 =item B<-h>, B<--help>
142 Print out usage information and exit.
144 =item B<-l>, B<--loose>
146 Print a blank line after a C<=head1> heading. Normally, no blank line is
147 printed after C<=head1>, although one is still printed after C<=head2>,
148 because this is the expected formatting for manual pages; if you're
149 formatting arbitrary text documents, using this option is recommended.
151 =item B<-s>, B<--sentence>
153 Assume each sentence ends with two spaces and try to preserve that spacing.
154 Without this option, all consecutive whitespace in non-verbatim paragraphs
155 is compressed into a single space.
157 =item B<-t>, B<--termcap>
159 Try to determine the width of the screen and the bold and underline
160 sequences for the terminal from termcap, and use that information in
161 formatting the output. Output will be wrapped at two columns less than the
162 width of your terminal device. Using this option requires that your system
163 have a termcap file somewhere where Term::Cap can find it. With this
164 option, the output of B<pod2text> will contain terminal control sequences
165 for your current terminal type.
167 =item B<-w>, B<--width=>I<width>, B<->I<width>
169 The column at which to wrap text on the right-hand side. Defaults to 76,
170 unless B<-t> is given, in which case it's two columns less than the width of
171 your terminal device.
177 If B<pod2text> fails with errors, see L<Pod::Text> and L<Pod::Parser> for
178 information about what those errors might mean. Internally, it can also
179 produce the following diagnostics:
183 =item -c (--color) requires Term::ANSIColor be installed
185 (F) B<-c> or B<--color> were given, but Term::ANSIColor could not be
188 =item Unknown option: %s
190 (F) An unknown command line option was given.
194 In addition, other L<Getopt::Long|Getopt::Long> error messages may result
195 from invalid command-line options.
203 If B<-t> is given, B<pod2text> will take the current width of your screen
204 from this environment variable, if available. It overrides terminal width
205 information in TERMCAP.
209 If B<-t> is given, B<pod2text> will use the contents of this environment
210 variable if available to determine the correct formatting sequences for your
211 current terminal device.
217 L<Pod::Text|Pod::Text>, L<Pod::Text::Color|Pod::Text::Color>,
218 L<Pod::Text::Termcap|Pod::Text::Termcap>, L<Pod::Parser|Pod::Parser>
222 Russ Allbery E<lt>rra@stanford.eduE<gt>.
227 close OUT or die "Can't close $file: $!";
228 chmod 0755, $file or die "Can't reset permissions for $file: $!\n";
229 exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':';