如何在我的bash shell中打印变量'num'

Question

这是我的代码:

num=2
echo "this is the $numnd"

它显示:

this is the

我能做什么 ,

谢谢

Answer 1

使用大括号,如下所示:

num=2
echo "this is the ${num}nd"

输出:

this is the 2nd