| 1 | #!/usr/local/bin/perl |
| 2 | |
| 3 | use Config; |
| 4 | use File::Basename qw(&basename &dirname); |
| 5 | use Cwd; |
| 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 | |
| 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. |
| 16 | $origdir = cwd; |
| 17 | chdir(dirname($0)); |
| 18 | ($file = basename($0)) =~ s/\.PL$//; |
| 19 | $file =~ s/\.pl$// if ($^O eq 'os2' or $^O eq 'dos'); # "case-forgiving" |
| 20 | $file =~ s/\.pl$/.com/ if ($^O eq 'VMS'); # "case-forgiving" |
| 21 | |
| 22 | open OUT,">$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 | # pod2usage -- command to print usage messages from embedded pod docs |
| 41 | # |
| 42 | # Copyright (c) 1996-2000 by Bradford Appleton. All rights reserved. |
| 43 | # This file is part of "PodParser". PodParser is free software; |
| 44 | # you can redistribute it and/or modify it under the same terms |
| 45 | # as Perl itself. |
| 46 | ############################################################################# |
| 47 | |
| 48 | use strict; |
| 49 | use diagnostics; |
| 50 | |
| 51 | =head1 NAME |
| 52 | |
| 53 | pod2usage - print usage messages from embedded pod docs in files |
| 54 | |
| 55 | =head1 SYNOPSIS |
| 56 | |
| 57 | =over 12 |
| 58 | |
| 59 | =item B<pod2usage> |
| 60 | |
| 61 | [B<-help>] |
| 62 | [B<-man>] |
| 63 | [B<-exit>S< >I<exitval>] |
| 64 | [B<-output>S< >I<outfile>] |
| 65 | [B<-verbose> I<level>] |
| 66 | [B<-pathlist> I<dirlist>] |
| 67 | I<file> |
| 68 | |
| 69 | =back |
| 70 | |
| 71 | =head1 OPTIONS AND ARGUMENTS |
| 72 | |
| 73 | =over 8 |
| 74 | |
| 75 | =item B<-help> |
| 76 | |
| 77 | Print a brief help message and exit. |
| 78 | |
| 79 | =item B<-man> |
| 80 | |
| 81 | Print this command's manual page and exit. |
| 82 | |
| 83 | =item B<-exit> I<exitval> |
| 84 | |
| 85 | The exit status value to return. |
| 86 | |
| 87 | =item B<-output> I<outfile> |
| 88 | |
| 89 | The output file to print to. If the special names "-" or ">&1" or ">&STDOUT" |
| 90 | are used then standard output is used. If ">&2" or ">&STDERR" is used then |
| 91 | standard error is used. |
| 92 | |
| 93 | =item B<-verbose> I<level> |
| 94 | |
| 95 | The desired level of verbosity to use: |
| 96 | |
| 97 | 1 : print SYNOPSIS only |
| 98 | 2 : print SYNOPSIS sections and any OPTIONS/ARGUMENTS sections |
| 99 | 3 : print the entire manpage (similar to running pod2text) |
| 100 | |
| 101 | =item B<-pathlist> I<dirlist> |
| 102 | |
| 103 | Specifies one or more directories to search for the input file if it |
| 104 | was not supplied with an absolute path. Each directory path in the given |
| 105 | list should be separated by a ':' on Unix (';' on MSWin32 and DOS). |
| 106 | |
| 107 | =item I<file> |
| 108 | |
| 109 | The pathname of a file containing pod documentation to be output in |
| 110 | usage mesage format (defaults to standard input). |
| 111 | |
| 112 | =back |
| 113 | |
| 114 | =head1 DESCRIPTION |
| 115 | |
| 116 | B<pod2usage> will read the given input file looking for pod |
| 117 | documentation and will print the corresponding usage message. |
| 118 | If no input file is specifed than standard input is read. |
| 119 | |
| 120 | B<pod2usage> invokes the B<pod2usage()> function in the B<Pod::Usage> |
| 121 | module. Please see L<Pod::Usage/pod2usage()>. |
| 122 | |
| 123 | =head1 SEE ALSO |
| 124 | |
| 125 | L<Pod::Usage>, L<pod2text(1)> |
| 126 | |
| 127 | =head1 AUTHOR |
| 128 | |
| 129 | Brad Appleton E<lt>bradapp@enteract.comE<gt> |
| 130 | |
| 131 | Based on code for B<pod2text(1)> written by |
| 132 | Tom Christiansen E<lt>tchrist@mox.perl.comE<gt> |
| 133 | |
| 134 | =cut |
| 135 | |
| 136 | use Pod::Usage; |
| 137 | use Getopt::Long; |
| 138 | |
| 139 | ## Define options |
| 140 | my %options = (); |
| 141 | my @opt_specs = ( |
| 142 | "help", |
| 143 | "man", |
| 144 | "exit=i", |
| 145 | "output=s", |
| 146 | "pathlist=s", |
| 147 | "verbose=i", |
| 148 | ); |
| 149 | |
| 150 | ## Parse options |
| 151 | GetOptions(\%options, @opt_specs) || pod2usage(2); |
| 152 | pod2usage(1) if ($options{help}); |
| 153 | pod2usage(VERBOSE => 2) if ($options{man}); |
| 154 | |
| 155 | ## Dont default to STDIN if connected to a terminal |
| 156 | pod2usage(2) if ((@ARGV == 0) && (-t STDIN)); |
| 157 | |
| 158 | @ARGV = ("-") unless (@ARGV > 0); |
| 159 | if (@ARGV > 1) { |
| 160 | print STDERR "pod2usage: Too many filenames given\n\n"; |
| 161 | pod2usage(2); |
| 162 | } |
| 163 | |
| 164 | my %usage = (); |
| 165 | $usage{-input} = shift(@ARGV); |
| 166 | $usage{-exitval} = $options{"exit"} if (defined $options{"exit"}); |
| 167 | $usage{-output} = $options{"output"} if (defined $options{"output"}); |
| 168 | $usage{-verbose} = $options{"verbose"} if (defined $options{"verbose"}); |
| 169 | $usage{-pathlist} = $options{"pathlist"} if (defined $options{"pathlist"}); |
| 170 | |
| 171 | pod2usage(\%usage); |
| 172 | |
| 173 | |
| 174 | !NO!SUBS! |
| 175 | |
| 176 | close OUT or die "Can't close $file: $!"; |
| 177 | chmod 0755, $file or die "Can't reset permissions for $file: $!\n"; |
| 178 | exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':'; |
| 179 | chdir $origdir; |