如何让expect进程后台执行

后台执行的方法：disconnect

#!/usr/bin/expect

spawn openvpn --config ./test.ovpn
expect "*Username:"
send "root\r"

expect "*Password:"
send "passwd\r"

if [fork]!=0 exit
disconnect

 

传递参数的方法：set name [lindex $argv 0]

#!/usr/bin/expect

if { $argc != 2 && $argc != 1 } {
    send_user "Usage:auth username \[password\]\n"
    send_user "\tthe default password equals 0000\n"
    exit
}

set name [lindex $argv 0]
if { $argc == 2 } {
    set pass [lindex $argv 1]
} else { set pass "0000" }

spawn xrgsu

# expect 开始
expect "*user*" { send ${name}\r }
expect "*password:" { send ${pass}\r }
expect "*DHCP*" { send "\r" }
expect "*auth*" { send "\r" }

interact
#EOF