<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;

The trunc and truncf functions (of C99 and C++11) are actually supported by the MS compiler (starting from the 2013), only strangely undocumented.