reload

# File lib/webrick/httpauth/htgroup.rb, line 23
      def reload
        if (mtime = File::mtime(@path)) > @mtime
          @group.clear
          open(@path){|io|
            while line = io.gets
              line.chomp!
              group, members = line.split(/:\s*/)
              @group[group] = members.split(/\s+/)
            end
          }
          @mtime = mtime
        end
      end