# File lib/rake.rb, line 578
578:   def verbose(value=nil)
579:     oldvalue = $fileutils_verbose
580:     $fileutils_verbose = value unless value.nil?
581:     if block_given?
582:       begin
583:         yield
584:       ensure
585:         $fileutils_verbose = oldvalue
586:       end
587:     end
588:     $fileutils_verbose
589:   end