作者: yuhuman
2015-11-05 23:28:30
脚本内容
#！ /bin/sh
read -p "please input your score: " a
if (($a < 60)); then
echo "you did not pass the exam"
fi
执行结果是：
please input your score: 29
if1.sh: 4: if1.sh: cannot open 60: No such file
if1.sh: 4: if1.sh: 29: not found
求指教，谢谢！