SHELL学习之利用函数递归—计算阶乘

函数递归

计算阶乘 [root@server ~]# cat recursion.sh #!/bin/bash read -p "Num:" num result=1 for i in `seq $num` do result=$[ $result * $i ] done echo "The result is:" $result [root@server ~]# sh recursion.sh Num:4 The result is: 24 [root@server ~]# sh recursion.sh Num:5 The result is: 120