From: Maung Aung <maung@...>
Date: 2007-07-03T04:57:55+09:00
Subject: Re: String usage

never mind, I figured that out because I was using it as class variable 
and I didn't instantiate the object.
Thanks.
Maung

Maung Aung wrote:
> Hi all,
> I have a question about string usage. I assign @test_string class
> variable which is assigned the name of a text file.
> @test_string = 'file.txt'
> When I was trying to use it as a parameter in a statement
> info=File.open(@test_string) {|f| f.read.split},
> it said "TypeError: can't convert nil into String". I check the type of
> @test_string and it said String object. What am I missing?
> 
> Then I try to use to_s method, and it said "Errno::ENOENT: No such file
> or directory - "
> 
> Could someone explain what is going here? Pls kind on me as I am new to
> Ruby.
> 
> Thanks,
> Maung


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