From: "Seth E." <seth_ruby@...>
Date: 2006-10-24T12:02:52+09:00
Subject: Re: How to remove empty element in an array

Li Chen wrote:

> I have an array of [1,2,''] I want change it to [1,2]. I check the 
> document about Array but I can't find a way to remove the empty element. 
> Any comments?

How about this?

irb(main):201:0> arr = [1,2,'']
=> [1, 2, ""]
irb(main):202:0> arr -= ['']
=> [1, 2]


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