| 释义 |
- 1
This technique is useful to give yourself a reminder based on a coming date, perhaps in a script or shell startup file, like so. 这个技巧非常有用，它可以根据将来的日期为自己设置提醒，可能是在脚本或Shell启动文件中，如下所示。 - 2
Then, run the command input line -- this can be several lines strung together with shell directives -- and finally, get the date again on the same input line. 然后，运行该命令输入行（可能是由 Shell 指令串联起来的几行内容），最后可以使用相同的输入行再次得到日期。 - 3
Suppose, for example, that you need to know the date two weeks hence. If you're at a shell prompt, you can get the answer immediately.
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