if ($mode) {
$dbm = tie (%u, 'DB_File', $ufn, O_CREAT|O_RDWR, 0666, $DB_BTREE) or confess "can't open qsl file: $qslfn ($!)";
} else {
if ($mode) {
$dbm = tie (%u, 'DB_File', $ufn, O_CREAT|O_RDWR, 0666, $DB_BTREE) or confess "can't open qsl file: $qslfn ($!)";
} else {