在继续之前，如何暂停我的Shell脚本一秒钟? [英] How do I pause my shell script for a second before continuing?

问题描述

我只发现了如何等待用户输入.但是，我只想暂停一下，这样我的while true不会使计算机崩溃.

I have only found how to wait for user input. However, I only want to pause so that my while true doesn't crash my computer.

我尝试了pause(1)，但显示为-bash: syntax error near unexpected token '1'.怎么办?

I tried pause(1), but it says -bash: syntax error near unexpected token '1'. How can it be done?

推荐答案

使用sleep命令.

示例:

sleep .5 # Waits 0.5 second.
sleep 5  # Waits 5 seconds.
sleep 5s # Waits 5 seconds.
sleep 5m # Waits 5 minutes.
sleep 5h # Waits 5 hours.
sleep 5d # Waits 5 days.

在指定时间单位时，也可以使用小数；例如sleep 1.5s

One can also employ decimals when specifying a time unit; e.g. sleep 1.5s

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