Question

I have a Ruby program that generates files that contain a Module definition :

 # try.rb
 module Test
  class F1
   def initialize arg
     @arg=arg
   end
  end
 end

Now, I’d like the same program to create instances of F1.

What is the right idiom to do that ?

Answer 1

load or require the file:

load 'path/to/try.rb'

then you can use Object.const_get to get a reference to the class object, and use that to create an instance:

cls = Object.const_get('Test').const_get('F1')
obj = cls.new('foo')