From: Gianfranco Bozzetti <gf.bozzetti@...>
Date: 2010-05-16T00:22:10+09:00
Subject: Re: Converting hexadecimal string to character

Michael Jackson wrote:
> If I have a string that represents some character in hex, what is the
> easiest way to convert it to that character? For example, if I have
> the string "41" how do I convert it to "\x41" (or "A")? I've been
> toying around with eval and sprintf, but can't seem to get it right.
> Right now I'm using the brute force approach below, but I think there
> must be a better way.
> 
> c = "41"
> eval("\"\\x#{c}\"")

c="41"
puts c.hex.chr  # prints A

HTH gfb
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