From: Steel Steel <angel_steel@...>
Date: 2010-09-22T12:11:22+09:00
Subject: Re: comparing the first half of a string to the second half

joe chesak wrote:
> I want to be able to test a string, to see if the second half of the 
> string
> is a duplicate of the first part of the string, and if so I just want 
> the
> first half (or the second for that matter).  I am using  ruby-1.9.2.
> 
> I can accomplish this with the following:
> 
> str = 'Cyano The CatCyano The Cat'
> 
> str = str[0..str.size/2-1] if str[0..str.size/2-1] == 
> str[str.size/2..-1]
>  => "Cyano The Cat"
> 
> Is there a better way?
> 
> Joe

str = 'Cyano The CatCyano The Cat'
o,t=str.chars.to_a.each_slice(str.size/2).map{|x|x}
str = o if t==o
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