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[perl5.git] / Porting / cmpVERSION.pl
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1#!/usr/bin/perl -w
2
3#
4# cmpVERSION - compare two Perl source trees for modules
5# that have identical version numbers but different contents.
6#
7# Original by slaven@rezic.de, modified by jhi.
8#
9
10use strict;
11
12use ExtUtils::MakeMaker;
13use File::Compare;
14use File::Find;
15use File::Spec::Functions qw(rel2abs abs2rel catfile catdir curdir);
16
17for (@ARGV[0, 1]) {
18 die "$0: '$_' does not look like Perl directory\n"
19 unless -f catfile($_, "perl.h") && -d catdir($_, "Porting");
20}
21
22my $dir2 = rel2abs($ARGV[1]);
23chdir $ARGV[0] or die "$0: chdir '$ARGV[0]' failed: $!\n";
24
25# Files to skip from the check for one reason or another,
26# usually because they pull in their version from some other file.
27my %skip;
28@skip{'./lib/Exporter/Heavy.pm'} = ();
29
30my @wanted;
31find(
32 sub { /\.pm$/ &&
33 ! exists $skip{$File::Find::name}
34 &&
35 do { my $file2 =
36 catfile(catdir($dir2, $File::Find::dir), $_);
37 return if compare($_, $file2) == 0;
38 my $version1 = eval {MM->parse_version($_)};
39 my $version2 = eval {MM->parse_version($file2)};
40 push @wanted, $File::Find::name
41 if $version1 eq $version2
42 } }, curdir);
43print map { $_, "\n" } sort @wanted;
44
45