build/unix/uniq.pl

   1 #!/usr/bin/env perl
   2
   3 # ***** BEGIN LICENSE BLOCK *****
   4 # Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5 #
   6 # The contents of this file are subject to the Mozilla Public License Version
   7 # 1.1 (the "License"); you may not use this file except in compliance with
   8 # the License. You may obtain a copy of the License at
   9 # http://www.mozilla.org/MPL/
  10 #
  11 # Software distributed under the License is distributed on an "AS IS" basis,
  12 # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13 # for the specific language governing rights and limitations under the
  14 # License.
  15 #
  16 # The Original Code is this file as it was released upon December 26, 2000.
  17 #
  18 # The Initial Developer of the Original Code is
  19 # Netscape Communications Corporation.
  20 # Portions created by the Initial Developer are Copyright (C) 2000
  21 # the Initial Developer. All Rights Reserved.
  22 #
  23 # Contributor(s):
  24 #   Christopher Seawood <cls@seawood.org>
  25 #
  26 # Alternatively, the contents of this file may be used under the terms of
  27 # either of the GNU General Public License Version 2 or later (the "GPL"),
  28 # or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  29 # in which case the provisions of the GPL or the LGPL are applicable instead
  30 # of those above. If you wish to allow use of your version of this file only
  31 # under the terms of either the GPL or the LGPL, and not to allow others to
  32 # use your version of this file under the terms of the MPL, indicate your
  33 # decision by deleting the provisions above and replace them with the notice
  34 # and other provisions required by the GPL or the LGPL. If you do not delete
  35 # the provisions above, a recipient may use your version of this file under
  36 # the terms of any one of the MPL, the GPL or the LGPL.
  37 #
  38 # ***** END LICENSE BLOCK *****
  39
  40 use Getopt::Std;
  41
  42 getopts('rs');
  43 $regexp = 1 if (defined($opt_r));
  44 $sort = 1 if (defined($opt_s));
  45
  46 undef @out;
  47 if ($sort) {
  48     @in = sort @ARGV;
  49 } else {
  50     @in = @ARGV;
  51 }
  52 foreach $d (@in) {
  53     if ($regexp) {
  54         $found = 0;
  55         foreach $dir (@out) {
  56             $found++, last if ($d =~ m/^$dir\// || $d eq $dir);
  57         }
  58         push @out, $d if (!$found);
  59     } else {
  60         push @out, $d if (!grep(/^$d$/, @out));
  61     }
  62 }
  63 print "@out\n"