<int-e> learn The linker (from german "links") is a part of a Turing machine that\'s responsible for moving all output data to the left of the tape before terminating.

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