diff -r 13e40df94492 -r 77ff148fa4d2 common/tools/detectArchiveCollisions.pl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/tools/detectArchiveCollisions.pl	Thu Oct 14 16:29:33 2010 +0100
@@ -0,0 +1,56 @@
+#!perl -w
+# Copyright (c) 2010 Symbian Foundation Ltd
+# This component and the accompanying materials are made available
+# under the terms of the License "Eclipse Public License v1.0"
+# which accompanies this distribution, and is available
+# at the URL "http://www.eclipse.org/legal/epl-v10.html".
+#
+# Initial Contributors:
+# Symbian Foundation Ltd - initial contribution.
+# 
+# Contributors:
+#
+# Description:
+# Identify collisions between file archives
+#
+# Usage:
+# detectArchiveCollisions.pl this.zip that.zip several_*.zip and\also_*.7z
+
+use strict;
+
+# Expand shell wildcards
+@ARGV = map { glob $_ } @ARGV;
+
+my $data;
+
+foreach my $archive (@ARGV)
+{
+	print "Reading $archive...\n";
+	my $file = undef;
+	foreach my $line (`7z l -slt $archive`)
+	{
+		if ($line =~ m{^Path = (.*)})
+		{
+			$file = $1;
+			next;
+		}
+
+		if ($line =~ m{^Folder = -})
+		{
+			# Record this (non-directory) item
+			push @{$data->{$file}}, $archive;
+			next;
+		}
+	}
+}
+
+foreach my $file (sort keys %$data)
+{
+	next unless scalar @{$data->{$file}} > 1;
+	print "ERROR: $file\n";
+	foreach (@{$data->{$file}})
+	{
+		print "\t$_\n";
+	}
+}
+