[Harrisburg-ruby-talk] String as class name

[n_powell]

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Got it.

inst = Kernel.const_get(klass).new

inst is a new instance of the class from the string.

Had to get the googling just right:

  http://infovore.org/tag/ruby/page/2/

On Sat, May 05, 2007 at 11:13:31PM -0400 thus spake n_powell:
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> Hello.
> 
> Not sure how many people are sub'd to this list, but I figured this
> is as good a place as any to ask a question.
> 
> I am working a project, and in the code I want to slurp a dir of files.
> 
> The files each contain ruby classes, named similar to the file name.  
> For example, foo.rb, contains the class Foo.  With some regexing I 
> have taken the file name, and from that extrapolated the class name.
> 
> Example:
> 
>   klass = file.capitalize.gsub(/.rb$/, '')
> 
> Now I want to create an instance of the Foo class.  I am unsure how
> to do that since klass is a String object.
> 
> Any ideas?  Or do I need to provide more info?
> - -- 
> nathan
> nathan_at_nathanpowell_dot_org
> 
> The longer I live the more I see that I am never wrong about anything,
> and that all the pains I have so humbly taken to verify my notions have only wasted my time.
> 		 ~ George Bernard Shaw
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- -- 
nathan
nathan_at_nathanpowell_dot_org

If you optimize everything, you will always be unhappy.
		 ~ Donald Knuth
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