From: Gavin Kistner <gavin.kistner@...>
Date: 2007-08-17T05:33:12+09:00
Subject: Re: character to hex/binary/etc...

> Oops, no, that's not what I need. I can do that.
> I need to take "I" or "J" or whatever character and convert to hex!  
> or binary

irb(main):001:0> "I"[0]
=> 73
irb(main):002:0> "I"[0].to_s(16)
=> "49"