build/unix/uniq.pl
author Joey Armstrong <joey@mozilla.com>
Mon, 20 Jun 2011 15:38:46 -0400
changeset 71748 ac9450e70e57361cba13477b64c86da192b8a733
parent 1 9b2a99adc05e53cd4010de512f50118594756650
child 71752 3242878c355dd9c9452cd49725017beffbbafcbe
permissions -rwxr-xr-x
Bug 661855 - unique.pl regexpr fix + unit test. r=khuey

#!/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>
#   Joey Armstrong <joey@mozilla.com>
#
# 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 *****

##----------------------------##
##---] CORE/CPAN INCLUDES [---##
##----------------------------##
use strict;
use warnings;
use Getopt::Long;

##-------------------##
##---]  EXPORTS  [---##
##-------------------##
our $VERSION = qw(1.1);

##-------------------##
##---]  GLOBALS  [---##
##-------------------##
my %argv;

unless(GetOptions(\%argv,
		  qw(debug|d:1
		     regex|r:1
		     sort|s:1)))
{
    print "Usage: $0\n";
    print "  --sort   Sort list elements early\n";
    print "  --regex  Exclude subdirs by pattern\n";
}

my $debug = $argv{debug} || 0;

my %seen;
my @out;
my @in = ($argv{sort}) ? sort @ARGV : @ARGV;

foreach my $d (@in)
{
    next if ($seen{$d}++);

    print "   arg is $d\n" if ($debug);

    if ($argv{regex})
    {
        my $found = 0;
        foreach my $dir (@out)
	{
	    my $dirM = quotemeta($dir);
            $found++, last if ($d eq $dir || $d =~ m!^${dirM}\/!);
        }
	print "Adding $d\n" if ($debug && !$found);
        push @out, $d if (!$found);
    } else {
	print "Adding: $d\n" if ($debug);
        push(@out, $d);
    }
}

print "@out\n"

# EOF