#!/usr/bin/expect -f 

if { $argc != 3 } {  

send_user "用法: $argv0 <server> <login> <password>\n"  

exit  

}  

set timeout 1 

set TERM ANSI  

set SERVER [lindex $argv 0]  

set LOGIN  [lindex $argv 1]

set PASSWD [lindex $argv 2] 

spawn telnet  

expect "telnet> "  

send "open $SERVER\r"

sleep 10

expect "login:"

send "$LOGIN\r"

sleep 1

expect "Password:"  

send "$PASSWD\r"  

sleep 1

expect "*>"  

send "en\r"  

sleep 1

expect "*#"  

log_file /var/log/conf/[clock format [clock seconds] -format "%Y-%m-%d"].$SERVER.log

send "show run\r"  

while (1) {  

       sleep 1  

        expect {  

                -ex "--More-- " { send " " }                           #-ex的作用是告诉expect 在抓取“--More-- ”时第一个“--”前没有空格，否则会提示bad flag

                "*#" { break }  

}  

}  

send "exit\r"  

interact

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