grep Is A Beautiful Tool
Jul 15, 2008, 01:00 (0 Talkback[s])
(Other stories by Eric Wendelin)
"Following is a simple tutorial that will help you realize the
power of this simple and most useful command. If you are on Windows
and haven’t already, download and install Cygwin. If you are
also new to regular expressions (regex), here is a great regular
expressions reference to get you started."