还是注意格式,脚本第4行注意while后面的空格,然后最好习惯使用缩进,这样脚本的结构看起来更清晰。按你的写法帮你改了一下,你看有问题再追问。
#!/bin/bash
flag=1
while [ $flag==1 ]
do
echo -n "Do you want to continue: Y or N?"
read ANSWER
if [ $ANSWER == "N" ]
then
echo "your answer is quit!"
exit
else
echo "your answer is continue!"
fi
done