<b_jonas> learn ayacc is ais523\'s yacc parser generator implementation, get it from http://nethack4.org/pastebin/ayacc-2020-04.tar.gz or from darcs clone http://nethack4.org/projects/ayacc

#!/usr/bin/perl
$_ = (join " ", @ARGV) || $ENV{IRC_NICK}; s/^\s+|\s+$//g; print "Hi $_. "; if (/[aeiouyAEIOUY0134]/) { s/^[^aeiouyAEIOUY0134]*/H/; } else { s/^./H/; } print "$_.";