From: Brian Candler <b.candler@...>
Date: 2010-10-08T05:05:36+09:00
Subject: Re: undefined method `*' for nil:NilClass

Atul Dongargaonkar wrote:
> Please find the .txt file attached. Am getting the following error
> message. Please help!
> 
> 
> 
> Error Loading File slab.rb
> undefined method `*' for nil:NilClass

You need to give the *full* error, which includes the line at which the 
error occurred, and the backtrace. Then show what line that line number 
corresponds to.

You've posted a large amount of code, but for me it's not even runnable 
- the first line calls a method "file_loaded?" which on my system (ruby 
1.8.7) doesn't exist.

So if you cannot boil this down to a five-line standalone test program, 
then you must at least show the exact error and context.

Also, what ruby type and version are you using, and on what platform?
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