# File bin/el4r-instance, line 576
    def el4r_load(path_to_rb, is_noerror = nil)
      el4r_load_path.each do |dir|
        full_path_to_rb = File.expand_path(path_to_rb, dir)
        if File.exist?(full_path_to_rb)
          source = el4r_readfile(full_path_to_rb)
          instance_eval(source, full_path_to_rb)
          return true
        end
      end

      if is_noerror
        false
      else
        raise LoadError, "el4r_load: cannot load #{path_to_rb}"
      end
    end