<wob_jonas> perl -eopen$i,"<",($f="wisdom/aristotle");$_=<$i>; s/two thousand/2000/ or die; if (1) { open$o,">",$f; print$o $_ or die; } print substr$_,0;

THT is short for tails-heads-tails, a possible outcome of flipping three coins. It's the opposite of HTH.