#!/usr/pkg/bin/perl
use warnings;
use strict;

=begin metadata

Name: rot13
Description: Rotate the Latin letters by 13 positions
Author: Mark Rosetta (@marked on GitHub)
Contributor: brian d foy, bdfoy@cpan.org
License: artistic2

=end metadata

=cut

while ( <> ) {
  tr/A-Za-z/N-ZA-Mn-za-m/;
  print;
};
