<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;

A tip is 0,3[ $ ] if you're American, 12[ £ ] if you're British, and       if you're Japanese.