It is handled by URI module:

use URI;
my $uri = URI->new('http://www.example.com/path/some/where?query/../he
+re');
print "Path: ", $uri->path, "\n";
print "Query: ", $uri->query, "\n";
__END__
Prints:
Path: /path/some/where
Query: query/../here
[download]

--
Ilya Martynov, ilya@iponweb.net
CTO IPonWEB (UK) Ltd
Quality Perl Programming and Unix Support UK managed @ offshore prices - http://www.iponweb.net
Personal website - http://martynov.org