From: dblack@...
Date: 2005-12-15T13:03:25+09:00
Subject: Re: string comparison

Hi --

On Thu, 15 Dec 2005, Boris Glawe wrote:

> Hi,
>
> I have a class containing a string as an instance variable and I have a local
> variable containing a string.
>
> I compare these two strings with '==' and with the .eql? method:
>
> ###################################
>
> obj.text = "hello world"
> localtext = "hello world"
>
> if obj.text == localtext
> then
> 	# do something
> end
>
> ###################################
>
> The condition never became true in my program. Thus I added some debug 
> output.
> This is the the debugging code:
>
> if not obj.text == localtext
> then
> 	print "\"#{obj.text}\" is not equal \"#{localtext}\"\n"
> end
>
> This is, what it gave me:
>
> "hello world" is not equal "hello world"
>
> It's not worth trying the example above, since it's not the actual code. The
> actual code in my project is much more complex, that's why I used this 
> example
> to discribe my problem.

Well... but showing some working code that doesn't illustrate the
problem isn't going to help us help you :-)

I wonder whether this .text method is return an object other than a
plain String -- perhaps an object with == redefined.


David

-- 
David A. Black
dblack@wobblini.net

"Ruby for Rails", forthcoming from Manning Publications, April 2006!