Gives an audible or visual signal to the user.
给出了一个声音或视觉信号的用户。
用法----------Usage----------
alarm()
Details
详情----------Details----------
alarm() works by sending a "\a" character to the console. On most platforms this will ring a bell, beep, or give some other signal to the user (unless standard output has been redirected).
alarm()工作"\a"字符发送到控制台。在大多数平台上,这将敲响了警钟,蜂鸣声,或其他一些信号给用户(除非已重定向标准输出)。
As from R 2.14.0 it attempts to flush the console (see flush.console.
从R 2.14.0尝试刷新控制台(见flush.console。