diff options
Diffstat (limited to 'utils')
-rwxr-xr-x | utils/pl2pm.PL | 68 |
1 files changed, 67 insertions, 1 deletions
diff --git a/utils/pl2pm.PL b/utils/pl2pm.PL index db4e4ac34e..4e69036499 100755 --- a/utils/pl2pm.PL +++ b/utils/pl2pm.PL @@ -1,4 +1,65 @@ -#!/usr/bin/perl +#!/usr/local/bin/perl + +use Config; +use File::Basename qw(&basename &dirname); + +# List explicitly here the variables you want Configure to +# generate. Metaconfig only looks for shell variables, so you +# have to mention them as if they were shell variables, not +# %Config entries. Thus you write +# $startperl +# to ensure Configure will look for $Config{startperl}. + +# This forces PL files to create target in same directory as PL file. +# This is so that make depend always knows where to find PL derivatives. +chdir(dirname($0)); +($file = basename($0)) =~ s/\.PL$//; +$file =~ s/\.pl$// + if ($Config{'osname'} eq 'VMS' or + $Config{'osname'} eq 'OS2'); # "case-forgiving" + +open OUT,">$file" or die "Can't create $file: $!"; + +print "Extracting $file (with variable substitutions)\n"; + +# In this section, perl variables will be expanded during extraction. +# You can use $Config{...} to use Configure variables. + +print OUT <<"!GROK!THIS!"; +$Config{'startperl'} + eval 'exec perl -S \$0 "\$@"' + if 0; +!GROK!THIS! + +# In the following, perl variables are not expanded during extraction. + +print OUT <<'!NO!SUBS!'; + +=head1 NAME + +pl2pm - Rough tool to translate Perl4 .pl files to Perl5 .pm modules. + +=head1 SYNOPSIS + +B<pl2pm> F<files> + +=head1 DESCRIPTION + +B<pl2pm> is a tool to aid in the conversion of Perl4-style .pl +library files to Perl5-style library modules. Usually, your old .pl +file will still work fine and you should only use this tool if you +plan to update your library to use some of the newer Perl 5 features, +such as AutoLoading. + +=head1 LIMITATIONS + +It's just a first step, but it's usually a good first step. + +=head1 AUTHOR + +Larry Wall <lwall@sems.com> + +=cut while (<DATA>) { chop; @@ -320,3 +381,8 @@ write x xor y +!NO!SUBS! + +close OUT or die "Can't close $file: $!"; +chmod 0755, $file or die "Can't reset permissions for $file: $!\n"; +exec("$Config{'eunicefix'} $file") if $Config{'eunicefix'} ne ':'; |