Perl extension for getting MD5 sums for files and urls

 Digest::MD5::File adds functionality for easy calculation of MD5 checksums of
 entire files, directories or URLs to the standard Digest::MD5 module.
 .
 Example usage:
 .
   use Digest::MD5::File;
   my $md5 = Digest::MD5->new;
   $md5->addpath('/path/to/file.txt');
   $md5->addpath(\@files);
   $md5->adddir('/home/tmbg/');
   $md5->addurl('http://www.tmbg.com/tour.html');
   my $digest = file_md5_hex($file);
   my $dir_hashref = dir_md5_hex($dir);
   my $digest = url_md5_hex($url);