1 files changed, 91 insertions, 0 deletions
diff --git a/debian/examples/compare-msgids.pl b/debian/examples/compare-msgids.pl
new file mode 100755
index 0000000..67e6469
--- /dev/null
+++ b/debian/examples/compare-msgids.pl
@@ -0,0 +1,91 @@
+#!/usr/bin/perl -w
+use strict;
+use warnings;
+
+# Copyright 2009 by Javier Fernández-Sanguino Peña <jfs@debian.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+
+
+# Quick and dirty script to compare two msgids (when using PO files
+# generated with --previous) with wdiff to find the differences between
+# them.
+# Usage: perl compare-msgids.pl < XX.po
+
+
+use File::Temp;
+
+my $DIFF1 = new File::Temp(TEMPLATE => "compare-msgids.XXXXXX");
+my $DIFF2 = new File::Temp(TEMPLATE => "compare-msgids.XXXXXX");
+
+my $fileh="";
+
+my $diffblock = 0; # Does the current block has a --previous string?
+my $nowrap = 0;    # Can the current be rewrapped?
+my $ref = "";      # Line reference for the current block
+
+while (my $line = <STDIN>) {
+    $fileh="";
+    chomp $line;
+
+    $ref .= $line."\n" if $line =~ /^#: /;
+    $ref = "" if ($line eq "");
+
+    if ( $diffblock and $line =~ /^msgstr/ ) {
+        $diffblock = 0;
+        $nowrap = 0;
+        print $DIFF1 "\n\n";
+        print $DIFF2 "\n\n";
+    }
+    $diffblock = 1 if ( $line =~ /^\#\| msgid/ ) ;
+    $nowrap = 1 if ( $line =~ /^#,.*no-wrap/ ) ;
+
+    if ($diffblock) {
+        if (length $ref) {
+            print $DIFF1 $ref."\n";
+            print $DIFF1 $ref."\n";
+            print $DIFF2 $ref."\n";
+            $ref = "";
+        }
+        $fileh = $DIFF1 if ( $line =~ /^\#\| msgid/ ) ;
+        $fileh = $DIFF1 if ( $line =~ /^\#\| "/ ) ;
+        $fileh = $DIFF2 if ( $line =~ /^msgid/ ) ;
+        $fileh = $DIFF2 if ( $line =~ /^"/ ) ;
+
+        if ($fileh ne "") {
+            $line =~ s/^\#\| //;
+
+            print $fileh "\n" if ( $line =~ /^msgid_plural "/);
+
+            $line =~ s/^"//;
+            $line =~ s/^msgid "//;
+            $line =~ s/^msgid_plural "//;
+            $line =~ s/"$//;
+
+            print $fileh $line;
+            print $fileh "\n" if ($nowrap and $line =~ m/\\n$/);
+        }
+    }
+}
+
+close $DIFF1; close $DIFF2;
+
+system ("wdiff", "-3", $DIFF1->filename, $DIFF2->filename)
+    or die "Failed to run wdiff.";
+
+
+exit;