# File lib/ohai/system.rb, line 225
    def attributes_print(a)
      raise ArgumentError, "I cannot find an attribute named #{a}!" unless @data.has_key?(a)
      case a
      when Hash,Mash,Array
        JSON.pretty_generate(@data[a])
      when String
        JSON.pretty_generate(@data[a].to_a)
      else
        raise ArgumentError, "I can only generate JSON for Hashes, Mashes, Arrays and Strings. You fed me a #{@data[a].class}!"
      end
    end