gecko-dev/build/unix/abs2rel.pl

42 строки
1.1 KiB
Perl

#!env perl
# 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/
# The Initial Developer of the Original Code is Netscape
# Communications Corporation. Portions created by Netscape are
# Copyright (C) 2002 Netscape Communications Corporation. All
# Rights Reserved.
use File::Spec::Unix;
use strict;
print "Usage: $0 dest_path start_path\n" if ($#ARGV+1 != 2);
my $finish = my_canonpath(shift);
my $start = my_canonpath(shift);
my $res = File::Spec::Unix->abs2rel($finish, $start);
#print STDERR "abs2rel($finish,$start) = $res\n";
print "$res\n";
sub my_canonpath($) {
my ($file) = @_;
my (@inlist, @outlist, $dir);
# Do what File::Spec::Unix->no_upwards should do
my @inlist = split(/\//, File::Spec::Unix->canonpath($file));
foreach $dir (@inlist) {
if ($dir eq '..') {
pop @outlist;
} else {
push @outlist, $dir;
}
}
$file = join '/',@outlist;
return $file;
}