Shell流程控制
if else
#!/bin/bash a=$1 b=$2 if [ $a == $b ] then echo "a 等于 b" elif [ $a -gt $b ] then echo "a 大于 b" else echo "a 小于 b" fi
for 循环
#!/bin/bash for i in 1 2 3 4 5 do echo $i done
while 语句
#!/bin/bash i=1 while(( $i<=5 )) do echo $i let "i++" done
参考资料
https://www.runoob.com/linux/linux-shell-process-control.html