From: Tom Werner <pubsub@...>
Date: 2007-08-17T05:27:48+09:00
Subject: Re: character to hex/binary/etc...

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

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