From: "Simon Kröger" <SimonKroeger@...>
Date: 2005-11-25T21:01:34+09:00
Subject: Re: Faster way to pick the every other array member?

Damphyr wrote:
> we have [1,2,3,4,5,6,7] and want [2,4,6]
> 
> Is there a way other than
> 
> fields=[1,2,3,4,5,6,7]
> fields.collect!{|f|
>     f if fields.index(f)%2==1
> }.compact!
> 
> And by another way I mean something shorter and more beautiful :).
> Cheers,
> V.-

what about:

f = true
fields = fields.select{f=!f}

cheers

Simon