From: "Jesús Gabriel y Galán" <jgabrielygalan@...>
Date: 2011-07-19T19:19:35+09:00
Subject: Re: Get common entries in two arrays

On Tue, Jul 19, 2011 at 12:14 PM, Iñaki Baz Castillo <ibc@aliax.net> wrote:
> Hi, is there a way to generate a new array with the common elements in
> array A and arra B? This is:
>
>  arrayA = ["qqq", "www", "eee"]
>  arrayB = ["www", "eee", "rrr", "ttt"]
>
> the result should be:  ["www", "eee"]

ruby-1.8.7-p334 :001 > arrayA = ["qqq", "www", "eee"]
 => ["qqq", "www", "eee"]
ruby-1.8.7-p334 :002 >  arrayB = ["www", "eee", "rrr", "ttt"]
 => ["www", "eee", "rrr", "ttt"]
ruby-1.8.7-p334 :003 > arrayA & arrayB
 => ["www", "eee"]

Jesus.