From: Aaron Patterson <aaron_patterson@...>
Date: 2007-01-23T03:25:44+09:00
Subject: Re: Silly Array Question

On Tue, Jan 23, 2007 at 03:17:36AM +0900, Mike Keller wrote:
> This will probably be a silly question, but I've been searching for
> quite awhile now and have been unable to locate how to do this.
> 
> I have two arrays which come from two different files.  One is a CSV
> file and the other just a list in a text document.
> 
> What I want to do is this.
> Take the csv doc.
> 123
> 123
> 123
> 123
> 
> And the text file.
> 4
> 4
> 4
> 4
> 
> Then turn it into one array that looks like.
> 1234
> 1234
> 1234
> 1234
> 
> Maybe I've just been reading the stuff I've been finding on ruby-doc
> wrong/not making the connection ( I have had a cold ) but any help that
> could be provided would be appreciated.

You could try doing a zip with a map:

a = %w{ 123 123 123 123 }
b = %w{ 4 4 4 4 }
a.zip(b).map { |x,y| "#{x}#{y}" } # => ["1234", "1234", "1234", "1234"]

-- 
Aaron Patterson
http://tenderlovemaking.com/