From: Christian Szegedy <szegedy@...>
Date: 2003-01-29T02:42:28+09:00
Subject: Re: Use mulit-dim. Arrays? [Questions from a Ruby Newbie (file io and d  ata structures)...]

christopher.j.meisenzahl@citicorp.com wrote:
> 
> 
> I know I can read each line and split it after I read it. But I'm not sure how 
> to populate my arrays? Should I use one array for each column? If so, how do I 
> create the correct number of arrays (and name them appropriately) at runtime?

Have not you read my previous mail? I answered all your question with 2 lines of
ruby code.

I have forgotten chomp, so that is it:

a = []
IO.foreach { |l| l.chomp.split(",").each_with_index{ |s,i| (a[i] ||= []) << s } }

a[i] is an array conatining the strings in the i-th column.