From: Leslie Viljoen <leslieviljoen@...>
Date: 2007-11-08T05:19:04+09:00
Subject: Re: how to delete array

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On Nov 7, 2007 10:02 PM, Surjit Nameirakpam <surjit.meitei@gmail.com> wrote:

> Problem
>
> consider an array
>
> a = [1,4,6,7,9,8]
>
> I want to delete the array value w.r.t index
>
> e.g i want to delte 0,4,6 element in one go
>
> I can use the command
> a.delete_at(0)
> a.delete_at(4)
> a.delete_at(6)
>
> But the problem is that i dont know how much element will be populated
> in my array every time the program runs and the index value will also
> change.


If you really want to delete a few indexes you can build a new array:
b = []
a.each_with_index {|e, i| b<< e if [0, 4, 6].include?(i)}
a=b




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