From: John Joyce <dangerwillrobinsondanger@...>
Date: 2007-10-15T06:08:19+09:00
Subject: irb, to learn more...

Here's an interesting thing you can do in irb:
irb

You can run an instance of irb within irb. How very Ruby!?
In irb you can also do this:

methods

(or my preferred approach...)
methods.sort

irb itself has some interesting abilities.