<wob_jonas> perl -eopen$i,"<",($f="wisdom/aristotle");$_=<$i>; s/(alphabet).*/$1 doesn\'t have the letter C.\\n/ or die; open$o,">",$f; print$o $_ or die; print substr$_,300;

Esoteric languages. Usually refers to programming languages designed to be unique, difficult to program in, or just plain weird. See https://esolangs.org for more.