#!/usr/bin/env perl

# The contents of this file are subject to the Netscape Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/NPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is this file as it was released upon December 26, 2000.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 2000 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): 
#         Christopher Seawood <cls@seawood.org>

undef @out;
foreach $d (@ARGV) { 
    push @out, $d if (!grep(/^$d$/, @out));
}
print "@out\n"