From: Garret Kelly <garret.kelly@...>
Date: 2007-11-23T22:26:46+09:00
Subject: Re: Two arrays: return only values that exist in both arrays?

You're looking for "a - b", in that case.

http://ruby-doc.org/core/classes/Array.html

Hope that helps.

On Nov 23, 2007 8:06 AM, Victor Reyes <victor.reyes@gmail.com> wrote:
> How about the elements that are in one but not the other array?
>
> Where are these methods documented?
>
> Thank you
>
> Victor
>
>
> On Nov 23, 2007 7:55 AM, Dejan Dimic <dejan.dimic@gmail.com> wrote:
>
> > On Nov 23, 1:25 pm, Joshua Muheim <fo...@josh.ch> wrote:
> > > Hi all
> > >
> > > a = [:one, :two, :three, :six]
> > > b = [:two, :four, :five: six]
> > >
> > > I want to extract the values of two arrays which exist in both ones (a
> > > and b):
> > >
> > > # => [:two, :six]
> > >
> > > Does there exist a method for this?
> > >
> > > Thanks
> > > Josh
> > > --
> > > Posted viahttp://www.ruby-forum.com/.
> >
> > Try
> > a&b
> >
> > Dima :-)
> >
> >
>