BMI

read -p "How about your Height(cm)?" height
read -p "How about your Weight(kg)?" weight

echo "your height is $height cm"
echo "your weight is $weight kg"

BMI=`echo "$height $weight" | awk '{print $2/(($1/100)*($1/100))}'`

echo "---------Result---------"

bash bbb.sh ${BMI}





> ls
bbb.sh  main.sh

> bash main.sh
How about your Height(cm)?168
How about your Weight(kg)?52
your height is 168 cm
your weight is 52 kg
---------Result---------
“your bmi is 18.424”