From: Rick DeNatale <rick.denatale@...>
Date: 2008-07-15T05:55:36+09:00
Subject: Re: how to loop through two arrays in parallel

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On Mon, Jul 14, 2008 at 4:03 PM, Mitchell Gould <go_mitchell@yahoo.ca>
wrote:

> I have two arrays from a form.
>
>
> params[:products] and params[:quantity]
>
> which are products[] and quantity[]
>
> I would like to extract the data from each item to get their name and
> quantity.
>
> Is there a way in Ruby to do this?
>
>
> for product in products[] and quantity in quantity[]?
> --
> Posted via http://www.ruby-forum.com/.
>
>
%w(a b c).zip([2, 4, 3]).map {|product, quantity| "#{quantity} #{product} on
hand"}
=> ["2 a on hand", "4 b on hand", "3 c on hand"]

-- 
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denhaven2.com/

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