From: Marc Weber <marco-oweber@...>
Date: 2010-04-09T20:48:45+09:00
Subject: Re: How to capture output of linux command

Learn about Dir object. It has methods such as glob which should give
you directory contents. Then you don't have to care about stdout, nor
quoting.

http://whynotwiki.com/Comparison_of_Escape_class_and_String.shell_escape

Have a look at the first example here

Marc