From: Lothar Scholz <mailinglists@...>
Date: 2003-06-20T20:52:57+09:00
Subject: Re: Production Code with Ruby

Use

http://www.rubygarden.org/ruby?DistributeARubyAppInASingleExecutable

and after this (the code is still readable with an hex editor in the
executable) you must encode the executable, for example with

http://www.siliconrealms.com/armadillo.shtml

which also deals with  user key codes.