判断是否是胖子的shell脚本

read -p "请输入身高(m为单位): " HIGH

if [[ ! "$HIGH" =~ ^[1].?[0-9]{,2}$ ]];then
echo "输入错误的身高"
exit 1
fi

read -p "请输入体重(kg为单位): " WEIGHT

if [[ ! "$WEIGHT" =~ ^[2]{1,3}$ ]];then echo "输入错误的体重"; exit 1; fi

BMI=echo $WEIGHT/$HIGH^2|bc

if [ $BMI -le 18 ] ;then
echo "你太瘦了,多吃点"
elif [ $BMI -lt 24 ] ;then
echo "身材很棒!"
else
echo "你太胖了,注意节食,加强运动"
fi

---

1. 0-2 ↩︎

2. 0-9 ↩︎