执行该实例：./test.exp
如果报错-bash: ./test.exp: Permission denied,给744权限即可。
[root@localhost shell.sh]# vim test.exp
#!/usr/bin/expect
set ip 192.168.1.106
set user root
set password jiajie
set timeout 30
spawn ssh -l $user $ip
expect {
"(yes/no)?" { send "yesr";exp_continue }
"password:" { send "$passwordr" }
}
interact
set:设置变量，后面直接变量，通过“$变量名”来调用
[root@localhost shell.sh]# vim test.exp
!/usr/bin/expect
if {$argc!=3} {
send_user "Usage:expect need three arguments:ip user passwordn"
exit 1
}
set ip [lindex $argv 0]
set user [lindex $argv 1]
set password [lindex $argv 2]
set timeout 30
spawn ssh -l $user $ip
expect {
"(yes/no)?" { send "yesr";exp_continue }
"password:" { send "$passwordr" }
}
interact
[lindex $argv num]：表示位置参数，从num=0开始
send_user: 打印当前提示，相当于shell里的echo.
[root@localhost shell.sh]# vim test.exp
!/usr/bin/expect
if {$argc!=3} {
send_user "Usage:expect need three arguments:ip user passwordn"
exit 1
}
set ip [lindex $argv 0]
set user [lindex $argv 1]
set password [lindex $argv 2]
set timeout 30
spawn ssh -l $user $ip
expect {
"(yes/no)?" { send "yesr";exp_continue }
"password:" { send "$passwordr" }
}
expect "]#" { send "useradd jjr" }
expect "]#" { send "echo jiajie|passwd --stdin jjr" }
send "exitr"
expect eof
exit -onexit {
send_user "useradd jj is successfully.n"
send_user "Jobs has finished,Goodbye.n"
}
执行后的结果输出：
[root@localhost shell.sh]# ./test.exp 192.168.1.106 root jiajie
spawn ssh -l root 192.168.1.106
root@192.168.1.106's password:
Last login: Sat Sep 9 03:47:48 2017 from web
[root@localhost ~]# useradd jj
[root@localhost ~]# echo jiajie|passwd --stdin jj
Changing password for user jj.
passwd: all authentication tokens updated successfully.
[root@localhost ~]# exit
logout
Connection to 192.168.1.106 closed.
useradd jj is successfully.
Jobs has finished,Goodbye.
send "exitr":登录出当前环境。
expect eof：结束expect匹配。
exit -onexit{...}：打印结束的提示信息。
[root@localhost shell.sh]# vim test.sh
!/bin/bash
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