我写了一只计算bmi并传值到另一支程式印出结果的ss.
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"
#because i need chage height's cm to m, and 1m = 100cm
h=`expr $height / 100`
BMI=`expr $weight / ($h \* $h)`
echo "

不同shell吧或bash版本不同

把呼叫 bash 那行改成直接印出 BMI, 先确认问题在哪边

放root心脏不错喔

#!/bin/bash or #!/bin/sh

说不定人家是先开 docker 再放里面的 /root 啊 (