From: Andy Cooper <acooper@...>
Date: 2009-01-14T07:04:52+09:00
Subject: Re: Returning a duplicate from an Array

> Hey guys,
>  I have an array of names that may contain duplicates. What I 
> would like
> to do is return an array OF THE DUPLICATES. I was looking around at
> various built-in methods for arrays, but the closest thing I 
> can find is
> Array.uniq, which returns the array without the duplicates.
> 
> Any suggestions on how to do this?
> 
> Thanks,
>  - Jeff Miller
> -- 

Without really looking into it a quick and dirty way would be to just
subtract the results of .uniq from the initial array.

Andy Cooper.