linux bash环境下面给expect脚本传递参数

#!/usr/bin/expect
# file name :rauth
# Usages : rauth username [ passworld ]
# Description : 自动发送用户名与密码

# 运行 myxrgsu -a
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