Check in the pristine copy of ICU 4.6...

icu46/source/test/compat/tzone.pl

+#!/usr/bin/perl
+#
+#   Copyright (C) 2007-2007, International Business Machines
+#   Corporation and others.  All Rights Reserved.
+#
+
+if ($ARGV[0] eq '-h' || $ARGV[0] eq '--help') {
+        print "Usage: tzone [year month day hour minute]\n";
+        exit(0);
+}
+
+my $LIBRARY = '../../lib';
+
+my @TZONE_RAW = `locate zoneinfo | grep '^/usr/share/zoneinfo/' | grep -v 'tab\$' | grep -v '/right/' | grep -v '/posix/' | grep -v '/posixrules\$' | grep -v '/Factory\$'`;
+my @TZONE;
+my $index = 0;
+my $USECURRENT = 0;
+my $year = 0;
+my $month = 0;
+my $day = 0;
+my $hour = 0;
+my $minute = 0;
+
+
+if (scalar(@ARGV) == 5) {
+        ($year, $month, $day, $hour, $minute) = @ARGV;
+        print "The date we are using is:  $month-$day-$year $hour:$minute.\n";
+} else {
+        print "We are using the current date.\n";
+        $USECURRENT = 1;
+}
+
+#filter out the time zones
+foreach my $tzone (@TZONE_RAW) {
+        chomp($tzone);
+    if (-e $tzone) {
+        $TZONE[$index] = substr($tzone, 20);
+        $index++;
+    }
+}
+
+#go through each timezone and test 
+$count = 0;
+$ENV{'LD_LIBRARY_PATH'} = $LIBRARY;
+
+print "The following time zones had wrong results.\n";
+
+foreach my $tzone (@TZONE) {
+        #set system time zone
+        $ENV{'TZ'} = "$tzone";  
+        
+        my @result = `./tzdate $year $month $day $hour $minute $USECURRENT`;
+        
+        #if the result is wrong print the time zone information to a log file
+        if (scalar(@result) > 0) {
+                print "\nTIME ZONE: $tzone\n";
+                print "@result\n";
+                $count++;
+        }
+}
+
+print "\nThe number of time zones with wrong results:  $count out of $index\n";
+
+print("\n\nGood Bye!\n");
+exit(0);