This doesn't strictly answer the question the OP asked. It answered the question the OP should have asked. It does answer also the original question insofar as it provides a means to accomplish what he is after in a fundamentally safe way. My 2Cents... and I fully agree with gellyfish, as you can see from my own reply.
actually, it does answer the question when looking at it from a strict point of view...sorry, just my attempt at a cheap laugh on a friday afternoon ;-)