mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-26 14:22:01 +00:00
36 lines
861 B
Perl
36 lines
861 B
Perl
#!env perl
|
|
|
|
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
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;
|
|
}
|
|
|