<elliott> addquote <ais523> Phantom_Hoover: my department teaches prolog, to second years I think <ais523> some people choose it because it isn\'t ocaml, and then are disappointed to find it has lists

#!/bin/sh
perl -n -e '/:(.*?)!.*JOIN/; $j{$1}++; END {print "$_ $j{$_};" for sort {$j{$b} <=> $j{$a}} keys %j}' $@