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360aca43 |
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 | # This forces PL files to create target in same directory as PL file. |
14 | # This is so that make depend always knows where to find PL derivatives. |
15 | chdir(dirname($0)); |
16 | ($file = basename($0)) =~ s/\.PL$//; |
17 | $file =~ s/\.pl$// |
18 | if ($^O eq 'VMS' or $^O eq 'os2'); # "case-forgiving" |
360aca43 |
19 | |
20 | open OUT,">$file" or die "Can't create $file: $!"; |
21 | |
22 | print "Extracting $file (with variable substitutions)\n"; |
23 | |
24 | # In this section, perl variables will be expanded during extraction. |
25 | # You can use $Config{...} to use Configure variables. |
26 | |
27 | print OUT <<"!GROK!THIS!"; |
28 | $Config{'startperl'} |
29 | eval 'exec perl -S \$0 "\$@"' |
30 | if 0; |
31 | !GROK!THIS! |
32 | |
33 | # In the following, perl variables are not expanded during extraction. |
34 | |
35 | print OUT <<'!NO!SUBS!'; |
36 | |
37 | ############################################################################# |
38 | # podselect -- command to invoke the podselect function in Pod::Select |
39 | # |
40 | # Derived from Tom Christiansen's pod2text script. |
41 | # (with extensive modifications) |
42 | # |
43 | # Copyright (c) 1996 Bradford Appleton. All rights reserved. |
44 | # This file is part of "PodParser". PodParser is free software; |
45 | # you can redistribute it and/or modify it under the same terms |
46 | # as Perl itself. |
47 | ############################################################################# |
48 | |
49 | use strict; |
50 | use diagnostics; |
51 | |
52 | =head1 NAME |
53 | |
54 | podselect - print selected sections of pod documentation on standard output |
55 | |
56 | =head1 SYNOPSIS |
57 | |
58 | B<podselect> [B<-help>] [B<-man>] [B<-section>S< >I<section-spec>] |
59 | [I<file>S< >...] |
60 | |
61 | =head1 OPTIONS AND ARGUMENTS |
62 | |
63 | =over 8 |
64 | |
65 | =item B<-help> |
66 | |
67 | Print a brief help message and exit. |
68 | |
69 | =item B<-man> |
70 | |
71 | Print the manual page and exit. |
72 | |
73 | =item B<-section>S< >I<section-spec> |
74 | |
75 | Specify a section to include in the output. |
76 | See L<Pod::Parser/"SECTION SPECIFICATIONS"> |
77 | for the format to use for I<section-spec>. |
78 | This option may be given multiple times on the command line. |
79 | |
80 | =item I<file> |
81 | |
82 | The pathname of a file from which to select sections of pod |
83 | documentation (defaults to standard input). |
84 | |
85 | =back |
86 | |
87 | =head1 DESCRIPTION |
88 | |
89 | B<podselect> will read the given input files looking for pod |
90 | documentation and will print out (in raw pod format) all sections that |
91 | match one ore more of the given section specifications. If no section |
92 | specifications are given than all pod sections encountered are output. |
93 | |
94 | B<podselect> invokes the B<podselect()> function exported by B<Pod::Select> |
95 | Please see L<Pod::Select/podselect()> for more details. |
96 | |
97 | =head1 SEE ALSO |
98 | |
99 | L<Pod::Parser> and L<Pod::Select> |
100 | |
101 | =head1 AUTHOR |
102 | |
103 | Brad Appleton E<lt>bradapp@enteract.comE<gt> |
104 | |
105 | Based on code for B<Pod::Text::pod2text(1)> written by |
106 | Tom Christiansen E<lt>tchrist@mox.perl.comE<gt> |
107 | |
108 | =cut |
109 | |
110 | use Pod::Select; |
111 | use Pod::Usage; |
112 | use Getopt::Long; |
113 | |
114 | ## Define options |
115 | my %options = ( |
116 | "help" => 0, |
117 | "man" => 0, |
118 | "sections" => [], |
119 | ); |
120 | |
121 | ## Parse options |
122 | GetOptions(\%options, "help", "man", "sections|select=s@") || pod2usage(2); |
123 | pod2usage(1) if ($options{help}); |
124 | pod2usage(-verbose => 2) if ($options{man}); |
125 | |
126 | ## Dont default to STDIN if connected to a terminal |
127 | pod2usage(2) if ((@ARGV == 0) && (-t STDIN)); |
128 | |
129 | ## Invoke podselect(). |
130 | if (@{ $options{"sections"} } > 0) { |
131 | podselect({ -sections => $options{"sections"} }, @ARGV); |
132 | } |
133 | else { |
134 | podselect(@ARGV); |
135 | } |
136 | |
137 | |
138 | !NO!SUBS! |
139 | |
140 | close OUT or die "Can't close $file: $!"; |
141 | chmod 0755, $file or die "Can't reset permissions for $file: $!\n"; |
142 | exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':'; |