From: John Joyce <dangerwillrobinsondanger@...>
Date: 2007-08-17T06:28:34+09:00
Subject: Re: character to hex/binary/etc...


On Aug 16, 2007, at 3:27 PM, Tom Werner wrote:

> John Joyce wrote:
>> Hmm... I can turn a number into a character with .chr
>> I can convert my numbers with .to_s(2)  ((where 2 is a radix, or  
>> base))
>> But how do I convert numbers to characters??
>>
>>
>
> You may be looking for Array#pack. It's useful for converting an  
> array from one encoding to another. One of these possibilities is  
> to convert an array of numbers into a string:
>
> n = [65, 66, 67]
> n.pack("c*")
> #=> "ABC"
>
>
> Pack (and unpack) can do tons of useful and surprising things.
>
> Tom
>
The creator of god! I must listen carefully.

I after some reading, I'm starting to think about using the files  
signatures used by DROID / PRONOM
Anyone know much about that stuff? Any Ruby implementations/bindings?