# File lib/rake.rb, line 1107
1107:   def nowrite(value=nil)
1108:     oldvalue = RakeFileUtils.nowrite_flag
1109:     RakeFileUtils.nowrite_flag = value unless value.nil?
1110:     if block_given?
1111:       begin
1112:         yield
1113:       ensure
1114:         RakeFileUtils.nowrite_flag = oldvalue
1115:       end
1116:     end
1117:     oldvalue
1118:   end