How can I choose which version of a module to include dynamically in Ruby?

Question

I\'m writing a small Ruby command-line application that uses fileutils from the standard library for file operations. Depending on how the user invokes the applicat

Answer 1

So what if it's private?

class Worker
  def initialize(verbose=false)
    if verbose
      (class <

This includes FileUtils::something in particular's Worker's metaclass - not in the main Worker class. Different workers can use different FileUtils this way.