gistfile1.rb

# Recursively retrieve nested attributes (or method calls) from an object.
def get_path(obj, *path)
  if obj.is_a?(Array)
    obj.map { |o| get_path(o, *path) }
  else
    if path.count > 1
      next_obj = obj.send(path.first)
      get_path(next_obj, *path.drop(1))
    else
      obj.send(path.first)
    end
  end
end