From: Markus Fischer <markus@...>
Date: 2011-04-30T17:59:33+09:00
Subject: Re: A Code Point's Tale: There and Back Again

Hi,

On 30.04.2011 06:12, Terry Michaels wrote:
> This is probably obvious in the docs and I'm just missing it, but here
> goes: So, I see there is str.each_codepoint, which I want to use in a
> function to convert Unicode Strings to a list of Unicode code points.
> But what can I do if I have a list of Unicode code points and want to
> convert them back into a String?

I think you can use Array#pack for that:

$ irb
ruby-1.9.2-p180 :001 > "f뀀oöbß".each_codepoint.to_a
 => [102, 45056, 111, 246, 98, 223]
ruby-1.9.2-p180 :002 > "f뀀oöbß".each_codepoint.to_a.pack("U*")
 => "f뀀oöbß"

cheers