时间：2021-04-22 09:14:31 | 栏目：Linux | 点击：次
&& 与 || 配合
eg: cat test.sh #!/bin/bash [ -e /etc/hosts ] && echo "ok" || echo "fail" bash test.sh ok eg: cat test.sh #!/bin/bash [ -e /etc/hostssssss ] && echo "ok" || echo "fail" bash test.sh fail 注意这里 && 必须在 || 之前
命令合并操作符 {}
[ -f /home/tecmint/Downloads/xyz1.txt ] || {touch /home/tecmint/Downloads/xyz.txt; echo "The file does not exist"}
“The file does not exist”
总结