From: Harry Kakueki <list.push@...>
Date: 2008-05-11T09:03:43+09:00
Subject: Re: Delete every other value in an array

>>
>>
>
> Oops. My code has a bug.
>
> arr = %w[a b c d b f g h i j k l m]
>
> p arr.select{|x| arr.index(x) % 2 == 0}#> ["a", "c", "g", "i", "k", "m"]
>
> res = []
> (0...arr.length).step(2) {|x| res << arr[x]}
> p res #> ["a", "c", "b", "g", "i", "k", "m"]
>
> Harry
>
>
Or not. :)
Which do you want?

Harry

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