<prooftechnique> learn prooftechnique n\xc3\xa9 NihilistDandy He was there some time ago. Maybe he\'ll come back. Maybe he\'s a nihilist, too. (Note from the Editor: He came back, and is a nihilist.)

#!/usr/bin/perl -w
if (defined($_=shift)) { s/ *$//;  s/ +/ @ /g; exec "bin/@", $_ . " ? welcome"; } else { exec "bin/?", "welcome"; }