зеркало из https://github.com/mozilla/gecko-dev.git
68 строки
2.3 KiB
Perl
68 строки
2.3 KiB
Perl
#!env perl
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# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is mozilla.org Code.
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#
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# The Initial Developer of the Original Code is
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# Netscape Communications Corporation.
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# Portions created by the Initial Developer are Copyright (C) 2002
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either of the GNU General Public License Version 2 or later (the "GPL"),
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# or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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use File::Spec::Unix;
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use strict;
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print "Usage: $0 dest_path start_path\n" if ($#ARGV+1 != 2);
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my $finish = my_canonpath(shift);
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my $start = my_canonpath(shift);
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my $res = File::Spec::Unix->abs2rel($finish, $start);
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#print STDERR "abs2rel($finish,$start) = $res\n";
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print "$res\n";
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sub my_canonpath($) {
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my ($file) = @_;
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my (@inlist, @outlist, $dir);
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# Do what File::Spec::Unix->no_upwards should do
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my @inlist = split(/\//, File::Spec::Unix->canonpath($file));
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foreach $dir (@inlist) {
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if ($dir eq '..') {
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pop @outlist;
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} else {
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push @outlist, $dir;
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}
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}
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$file = join '/',@outlist;
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return $file;
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}
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