[root@room9pc01 opt]# vim round.sh
#!/bin/bash
x=0
while :
do
read -p "给个数字(0结束)" n
[ $n -eq 0 ] && break
let x+=n
done
echo "一共是$x"
[root@room9pc01 opt]# vim round.sh
#!/bin/bash
x=0
while :
do
read -p "给个数字(0结束)" n
[ $n -eq 0 ] && break
let x+=n
done
echo "一共是$x"