# File lib/thor/runner.rb, line 115
  def installed
    thor_root_glob.each do |f|
      next if f =~ /thor\.yml$/
      load_thorfile f unless Thor.subclass_files.keys.include?(File.expand_path(f))
    end

    klasses = Thor.subclasses
    klasses -= [Thor, Thor::Runner] unless options['internal']
    display_klasses(true, klasses)
  end