vim aa.sh

#!/bin/bash
yum -y install expect
/usr/bin/expect<<EOF
spawn scp 11.text $1:/root   #首先执行spawn命令开始
expect "yes/no" {send "yes\n;exp_continue"}   #当遇到"yes/no"执行yes,当没出现"yes/no"则跳过
expect "password" {send "123456\n"}  #当遇到"password"执行yes
expect eof  #结尾
EOF

运行：
sh aa.sh IP地址