From: "Iñaki Baz Castillo" <ibc@...>
Date: 2009-02-21T01:36:53+09:00
Subject: Re: Un-escaping hexadecimal code

El Viernes, 20 de Febrero de 2009, Jeff Schwab escribió:
> Iñaki Baz Castillo wrote:
> >   string = "%61lice"
> >   string = eval %{ "#{ string.gsub(/%/,'\x') }" }
> >   => "alice"
> >
> > How could I avoid the usage of "eval" to un-escape the string?
>
> s.gsub! /%(\d+)/ do |match|
>    $1.to_i(16).chr
> end
> puts s
>
> You might also consider supporting escaped % literals.

Also, it should consider not just number but A-F

-- 
Iñaki Baz Castillo