$cksum = {
  'Screen-1.00.tar.gz' => {
    shortname => 'scree100.tgz',
    size => 7493,
    'md5' => 'b5d3f4478c71b21802bdb0b49feed92d',
    'md5-ungz' => 'e2a402b7359829aac1c838425bbada1b'
  }
};

.