# File lib/rake/application.rb, line 535
535:     def rake_require(file_name, paths=$LOAD_PATH, loaded=$")
536:       fn = file_name + ".rake"
537:       return false if loaded.include?(fn)
538:       paths.each do |path|
539:         full_path = File.join(path, fn)
540:         if File.exist?(full_path)
541:           Rake.load_rakefile(full_path)
542:           loaded << fn
543:           return true
544:         end
545:       end
546:       fail LoadError, "Can't find #{file_name}"
547:     end