From: James Dechiaro <jdechiaro@...>
Date: 2008-05-13T22:33:50+09:00
Subject: Re: array diff

if SumArray.include?(row[1])did the trick...thanks adam!


Adam Shelly wrote:
> On 5/12/08, James Dechiaro <jdechiaro@coherecomm.com> wrote:
>> the problem i'm running into is when i try to open back the csv1 and
>> compare the SumArray against it in order to get the entire line (not
>> just the element). It instead prints all the lines, even the ones not
>> contained in the array.
>>
>> So it looks as though the .eql? module is not working correctly.
>>
> There are a few potential problems with this line:
>      records.collect do |row| row[1].eql?(SumArray)
> 
> First, I think you need an 'if'.  Otherwise you are calling eql? but
> not using the result.  Second, it looks like you are comparing a
> single field with the
> whole SumArray.  They will never be equal.  You probably want something 
> like
>     if SumArray.include?(row[1])
> 
> -Adam

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