From: Stefano Crocco <stefano.crocco@...>
Date: 2008-02-29T02:47:42+09:00
Subject: Re: String to Class?

Alle Thursday 28 February 2008, Aaron Turner ha scritto:
> I want to be able to take a class name stored in a variable as a string
> like:
>
> foo = "Foo::Bar"
>
> and convert that to the class Foo::Bar so that I can call .new(), etc:
>
> obj = foo.new
>
> I know I can just do:
>
> foo = Foo::Bar
>
> but that doesn't solve my problem which is to accept the class name as
> an argument on the command line from the user.
>
> Thanks,
> Aaron

foo.split('::').inject(Kernel){|res, i| res.const_get(i)}

Stefano