# File cli/ruby-debug/commands/source.rb, line 10
    def execute
      file = File.expand_path(@match[1]).strip
      unless File.exist?(file)
        errmsg "Command file '#{file}' is not found\n"
        return
      end
      if @state and @state.interface
        @state.interface.command_queue += File.open(file).readlines
      else
        Debugger.run_script(file, @state)
      end
    end