From: Robert Dober <robert.dober@...>
Date: 2008-05-10T01:27:10+09:00
Subject: Re: Delete every other value in an array

On Fri, May 9, 2008 at 4:16 PM, Tim Conner <crofty_james@hotmail.com> wrote:
> What is the best way to delete every other value in a ruby array?
> e.g.
> %w(a b c d e f g h i j k)
>
> becomes => [a c e g i k]

what about #values_at
x.values_at( *(0...x.size).map{|i| (i%2).zero? && i || nil}.compact) )

too bad compact does not do what *I* want ;).

HTH
Robert
>
> thanks
> --
> Posted via http://www.ruby-forum.com/.
>
>



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