From: David Alan Black <dblack@...>
Date: 2001-12-17T04:11:09+09:00
Subject: [ruby-talk:28702] Re: String filtering, character-wise (was: Re: How do you do "character filtering" of a string using each_byte. II)

Hi --

On Mon, 17 Dec 2001, ts wrote:

>    str = "hello 123 I am a String"
>    str.gsub!(/./m) do |b|
>       case b
>       when /[[:lower:]]/
>          "\\x" + "%x" % b[0] # this is % that you want ?

Yes, that's cool.  Any reason not to write it as:

    "\\x%x" % b[0]

(Or was it just for visual clarity?)

Also I like (being reminded of) the [:lower] character class (which
I tend to forget about for some reason and reintroduce the problem
which it solves).


David

-- 
David Alan Black
home: dblack@candle.superlink.net
work: blackdav@shu.edu
Web:  http://pirate.shu.edu/~blackdav