From: Luc Heinrich <luc@...>
Date: 2006-03-13T08:32:04+09:00
Subject: Re: array element access

On 12 mars 06, at 21:34, Tomas Fischer wrote:

> I've got an array a= [1,2,3,4,5,6] and want to access each second
> element:
> b=[2,4,6]. How is this done in ruby?

irb(main):001:0> a = [1,2,3,4,5,6]
=> [1, 2, 3, 4, 5, 6]
irb(main):002:0> a.select {|e| a.index(e) % 2 == 1 }
=> [2, 4, 6]

-- 
Luc Heinrich - luc@honk-honk.com - http://www.honk-honk.com