From: Damphyr <damphyr@...>
Date: 2005-11-25T19:50:21+09:00
Subject: Faster way to pick the every other array member?

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.-
-- 
http://www.braveworld.net/riva

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