<wob_jonas> perl -eopen$i,"<",($f="wisdom/aristotle");$_=<$i>; s/, even though.*\\. / without checking. / or die; if (1) { open$o,">",$f; print$o $_ or die; } print substr$_,0;

The absolute value of a number, also known as its cosign, is its distance from zero regardless of direction. It shouldn't be negative, but Sgeo is trying to break maths.