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1 | #!/usr/local/bin/perl |
2 | |
3 | use Config; |
4 | use File::Basename qw(&basename &dirname); |
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5 | use Cwd; |
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6 | |
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 |
11 | # $startperl |
12 | # to ensure Configure will look for $Config{startperl}. |
13 | |
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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. |
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16 | $origdir = cwd; |
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17 | chdir(dirname($0)); |
18 | ($file = basename($0)) =~ s/\.PL$//; |
19 | $file =~ s/\.pl$// |
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20 | if ($^O eq 'VMS' or $^O eq 'os2' or $^O eq 'dos'); # "case-forgiving" |
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21 | |
22 | open OUT,">$file" or die "Can't create $file: $!"; |
23 | |
24 | print "Extracting $file (with variable substitutions)\n"; |
25 | |
26 | # In this section, perl variables will be expanded during extraction. |
27 | # You can use $Config{...} to use Configure variables. |
28 | |
29 | print OUT <<"!GROK!THIS!"; |
30 | $Config{'startperl'} |
31 | eval 'exec perl -S \$0 "\$@"' |
32 | if 0; |
33 | !GROK!THIS! |
34 | |
35 | # In the following, perl variables are not expanded during extraction. |
36 | |
37 | print OUT <<'!NO!SUBS!'; |
38 | |
39 | ############################################################################# |
40 | # podselect -- command to invoke the podselect function in Pod::Select |
41 | # |
42 | # Derived from Tom Christiansen's pod2text script. |
43 | # (with extensive modifications) |
44 | # |
45 | # Copyright (c) 1996 Bradford Appleton. All rights reserved. |
46 | # This file is part of "PodParser". PodParser is free software; |
47 | # you can redistribute it and/or modify it under the same terms |
48 | # as Perl itself. |
49 | ############################################################################# |
50 | |
51 | use strict; |
52 | use diagnostics; |
53 | |
54 | =head1 NAME |
55 | |
56 | podselect - print selected sections of pod documentation on standard output |
57 | |
58 | =head1 SYNOPSIS |
59 | |
60 | B<podselect> [B<-help>] [B<-man>] [B<-section>S< >I<section-spec>] |
61 | [I<file>S< >...] |
62 | |
63 | =head1 OPTIONS AND ARGUMENTS |
64 | |
65 | =over 8 |
66 | |
67 | =item B<-help> |
68 | |
69 | Print a brief help message and exit. |
70 | |
71 | =item B<-man> |
72 | |
73 | Print the manual page and exit. |
74 | |
75 | =item B<-section>S< >I<section-spec> |
76 | |
77 | Specify a section to include in the output. |
78 | See L<Pod::Parser/"SECTION SPECIFICATIONS"> |
79 | for the format to use for I<section-spec>. |
80 | This option may be given multiple times on the command line. |
81 | |
82 | =item I<file> |
83 | |
84 | The pathname of a file from which to select sections of pod |
85 | documentation (defaults to standard input). |
86 | |
87 | =back |
88 | |
89 | =head1 DESCRIPTION |
90 | |
91 | B<podselect> will read the given input files looking for pod |
92 | documentation and will print out (in raw pod format) all sections that |
93 | match one ore more of the given section specifications. If no section |
94 | specifications are given than all pod sections encountered are output. |
95 | |
96 | B<podselect> invokes the B<podselect()> function exported by B<Pod::Select> |
97 | Please see L<Pod::Select/podselect()> for more details. |
98 | |
99 | =head1 SEE ALSO |
100 | |
101 | L<Pod::Parser> and L<Pod::Select> |
102 | |
103 | =head1 AUTHOR |
104 | |
105 | Brad Appleton E<lt>bradapp@enteract.comE<gt> |
106 | |
107 | Based on code for B<Pod::Text::pod2text(1)> written by |
108 | Tom Christiansen E<lt>tchrist@mox.perl.comE<gt> |
109 | |
110 | =cut |
111 | |
112 | use Pod::Select; |
113 | use Pod::Usage; |
114 | use Getopt::Long; |
115 | |
116 | ## Define options |
117 | my %options = ( |
118 | "help" => 0, |
119 | "man" => 0, |
120 | "sections" => [], |
121 | ); |
122 | |
123 | ## Parse options |
124 | GetOptions(\%options, "help", "man", "sections|select=s@") || pod2usage(2); |
125 | pod2usage(1) if ($options{help}); |
126 | pod2usage(-verbose => 2) if ($options{man}); |
127 | |
128 | ## Dont default to STDIN if connected to a terminal |
129 | pod2usage(2) if ((@ARGV == 0) && (-t STDIN)); |
130 | |
131 | ## Invoke podselect(). |
132 | if (@{ $options{"sections"} } > 0) { |
133 | podselect({ -sections => $options{"sections"} }, @ARGV); |
134 | } |
135 | else { |
136 | podselect(@ARGV); |
137 | } |
138 | |
139 | |
140 | !NO!SUBS! |
141 | |
142 | close OUT or die "Can't close $file: $!"; |
143 | chmod 0755, $file or die "Can't reset permissions for $file: $!\n"; |
144 | exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':'; |
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145 | chdir $origdir; |