ESP8266-connect wifi Lua code

print("Setting up WIFI...")
wifi.setmode(wifi.STATION)-- set mode esp8266 to station
wifi.sta.config("SSID","Password")--modify according your wireless router settings
wifi.sta.connect()
tmr.alarm(1, 1000, 1, function() --timer to looping when not connected
if wifi.sta.getip()== nil then
print("IP unavaiable, Waiting...")
else
tmr.stop(1)
print("Config done, IP is "..wifi.sta.getip())--print IP address of SSID when connected to wifi
dofile("file.lua")--run file .lua
end
end)