From: Robert Klemme <shortcutter@...>
Date: 2008-02-27T17:04:56+09:00
Subject: Re: extracting hex keys from file

On 27.02.2008 05:08, Ben Aroia wrote:
> Hello. I have a file that contains several values that I would like to
> read in as hex values (e.x. 3F 5A 6B 43 0E 2F AE...) I have some partial
> code:
> 
> def getHash(file_in)
>   f = File.new(file_in, "r")
>   f.each_byte {|x| print x.to_s+"\n"}
>   #need something here
> end
> 
> I would like to extract the hex values from a known offset for a
> specific length, and I'm quite sure I can do that by accelorating the
> pointer a bit with a simple for loop. I come from a Java background and
> new to ruby so any help would be great. Thanks

http://www.ruby-doc.org/core/classes/IO.html#M002305

	robert