From: Joel Pearson <lists@...>
Date: 2013-01-11T21:18:06+09:00
Subject: Re: Ruby command Line options

http://www.tutorialspoint.com/ruby/ruby_command_line_options.htm

To the best of my knowledge (someone please correct me if I'm wrong)

-T: Sets a level that determines how "paranoid" it should be about 
"tainted" input. You can use this to avoid users keying in malicious 
input. I think it's mainly used when you're running "eval" statements on 
user input.

-K: Determines what kind of character set you're using. Some characters 
may not be valid if you're using the wrong set.

-F: Never used this but according to the above link it just lets you 
specify the default seperator when using the "split" method.

-i: looks like you can specify a file to output too. Not so sure about 
this one.

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