Auto Connect Wifi Mac OS

wifi.sh

#!/bin/bash
# http://magp.ie/2012/07/09/mac-osx-shell-script-to-automate-connecting-to-wifi-network/ 
AIRPORT="en1"; #may be en0, use networksetup -listallhardwareports to check
WIFI_NETWORK_NAME="nomedarede"
WIFI_PASSWORD="senhadarede"
SCRIPT_PATH="$(pwd)/wifi.sh"
 
if networksetup -getairportnetwork $AIRPORT | grep -i -a $WIFI_NETWORK_NAME ;
  then
    PROMPT_COMMAND='echo -ne "\033]0;"WIFI: OK"\007"'
  else
    PROMPT_COMMAND='echo -ne "\033]0;"WIFI: OFF"\007"'
    osascript -e 'tell app "System Events" to display notification "WiFi OFF"'
    networksetup -setairportnetwork $AIRPORT $WIFI_NETWORK_NAME $WIFI_PASSWORD
fi
sleep 10
clear
sh $SCRIPT_PATH