From: Brian Candler <b.candler@...>
Date: 2009-02-03T20:16:24+09:00
Subject: Re: analyzer.rb cannot run.

Genocide Law wrote:
> Hi, I'm kinda new to this programmin thing and I'm currently using
> windows vista and it seems whenever I run this file:
> 
> line = File.readlines("text.txt")
> lines_count = lines.size
> text = lines.join
> puts "#{line_count} lines"
> 
> It will show :
> 
>>ruby C:/Users/administrator/analyzer.rb
> *** WARNING *** Windows users should check the "Run process in terminal"
> check box in the Debugger Preferences
> to see STDOUT and STDERR output in real time.
> 
> C:/Users/administrator/analyzer.rb:2: undefined local variable or method
> `lines' for main:Object (NameError)
>>exit
> 
> and as you can see, there's an error in the code but I can't seem to
> find out what. I have attached the text maybe someone can run it and
> tell me what's wrong?

The error message does tell you exactly the problem: it's on line 2 of 
analyzer.rb, and the problem is that you referred to something called 
"lines" but no such thing exists. That is, there is no local variable or 
method called "lines"

On line 1 you created a local variable called "line", not "lines" :-)

HTH,

Brian.
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