From: "Bartosz Dziewoński" <matma.rex@...>
Date: 2011-10-27T20:42:31+09:00
Subject: Re: Modify only a .rb file, but not other .rb files, while still extending core classes?

On an unrelated note, if you want a random element from an array,
there's already a method for that, Array#sample. (or #choice in
1.8.7).

-- Matma Rex