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