shell脚本立刻结束

有些程序在停止之后并没能立即退出，就例如有一个 tomcat 挂了，就算是用 kill -9 命令也还没瞬间就结束掉。因此，如果shell还没等其退出就接着执行下一行，就可能出现问题。为了解决这个问题，可以使用shell的sleep命令来延迟执行下一行，等待程序完全退出后再继续执行下一行代码。这样就可以保证shell脚本能够立刻结束。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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