iperl> join " ", sort qw( squash apple turnip ) = apple squash turnip iperl> 8576275 / 3326 * 5.5 = 14182.0542693927 iperl> sub double { my $n = shift; $n * 2 } iperl> double 2 = 4 iperl> double double double 2 = 16 iperl>