From: Ross Bamford <rosco@...>
Date: 2006-11-21T00:50:06+09:00
Subject: Re: Create array of hash values

On Mon, 20 Nov 2006 15:33:33 -0000, David Lelong <drlelon@yahoo.com> wrote:

> Hi,
>
> I have a hash that contains the following keys/values:
>
> [#<Contact_List:0x2607150 @attributes={"contact_id"=>"4"}>,
> #<Contact_List:0x2607114 @attributes={"contact_id"=>"8"}>]
>
> I want to create an array containing the contact_id values.  What's an
> easy way to do this?
>
> Thanks,
>
> David
>

Assuming Contact_List (aside: why an underscored class name?) has an  
attr_accessor for 'attributes', you might try:

	a.map { |clist| clist.attributes['contact_id'] }

(where 'a' is the array you show above).

-- 
Ross Bamford - rosco@roscopeco.remove.co.uk