# File lib/rake.rb, line 655
655:   def verbose(value=nil)
656:     oldvalue = $fileutils_verbose
657:     $fileutils_verbose = value unless value.nil?
658:     if block_given?
659:       begin
660:         yield
661:       ensure
662:         $fileutils_verbose = oldvalue
663:       end
664:     end
665:     $fileutils_verbose
666:   end