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#!/usr/bin/env perl

# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla 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/MPL/
#
# 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 the Initial Developer are Copyright (C) 2000
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
#   Christopher Seawood <cls@seawood.org>
#
# Alternatively, the contents of this file may be used under the terms of
# either of the GNU General Public License Version 2 or later (the "GPL"),
# or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****

use Getopt::Std;

getopts('rs');
$regexp = 1 if (defined($opt_r));
$sort = 1 if (defined($opt_s));

undef @out;
if ($sort) {
    @in = sort @ARGV;
} else {
    @in = @ARGV;
}
foreach $d (@in) { 
    if ($regexp) {
        $found = 0; 
        foreach $dir (@out) {
            $found++, last if ($d =~ m/^$dir\// || $d eq $dir);
        }
        push @out, $d if (!$found);
    } else {
        push @out, $d if (!grep(/^$d$/, @out));
    }
}
print "@out\n"