From: dblack@...
Date: 2006-12-01T04:13:04+09:00
Subject: Re: simple question, looping through each character in a string

Hi --

On Fri, 1 Dec 2006, warhero wrote:

> how can I accomplish something like this in ruby:
>
> pseudo code:
>
> word = "picture"
> for( i = 0; i < word.length; i++ )
> {
>    puts( word.substr(i,1) )
> }

There's an each_byte iterator.  It gives you ASCII values, so you have
to convert them:

   word = "picture"
   word.each_byte {|b| puts b.chr }

You can also do:

   word.split(//).each {|char| puts char }

(Note that this is an area of Ruby that's undergoing a lot of changes
in the transition from 1.8 to 1.9/2.0.)


David

-- 
                   David A. Black | dblack@wobblini.net
Author of "Ruby for Rails"   [1] | Ruby/Rails training & consultancy [3]
DABlog (DAB's Weblog)        [2] | Co-director, Ruby Central, Inc.   [4]
[1] http://www.manning.com/black | [3] http://www.rubypowerandlight.com
[2] http://dablog.rubypal.com    | [4] http://www.rubycentral.org