#!/usr/bin/expect
set TIMEOUT 20
set SLEEP_DURATION 0.5

set hostname "192.168.1.16"
set username "root"
set password "123456asj"
exec rm -f output.txt
set OUTPUT_FILE "output.txt"
log_file -a $OUTPUT_FILE



proc board {} {
    global hostname username password
    spawn telnet $hostname
    expect "login: "
    send "$username\r"
    expect "Password: "
    send "$password\r"
    expect "# "
    send "reboot \r"
    expect eof
}
board
log_file
# exec code output.txt