参考:

https://blog.csdn.net/vah101/article/details/83014338

2. !/usr/bin/expect

5. set host [lrange $argv 0 0]
6. set port [lrange $argv 1 1]
7. set db [lrange $argv 2 2]

执行expect脚本的命令为：

expect create\_database.sh node1 5432 zz1