From: Rob Biedenharn <Rob@...>
Date: 2007-07-06T04:53:47+09:00
Subject: Re: array difference

On Jul 5, 2007, at 3:20 PM, Jeffrey Bowen wrote:
> I�m trying to create an array containing the
> difference of the two other arrays.  When I create the
> arrays manual I have no problems.
>
> a = ["0001", "0002"]
> b = ["0001", "0002", "0003"]
> c = b - a
> puts c
> c -> 0003
>
> However when the array is created from data in a file
> d will equal the first array not the difference
> between the two.
>
> File.open("datafilelist.txt").each { |h| data_files1
> << h}
>
> d = data_files1 - data_files
> puts d
> -> 0001, 0002
>
> Thoughts?
>
> Jeff Bowen

You haven't shown enough code to get any help!  What is data_files?   
Giving us a sample of the contents of "datafilelist.txt" would be  
quite useful, too.

-Rob

Rob Biedenharn		http://agileconsultingllc.com
Rob@AgileConsultingLLC.com
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