macOS WiFi connection script

wifi-connect.sh

#!/bin/bash

WIFI_INTERFACE=$(networksetup -listallhardwareports | awk '/Wi-Fi/{getline; print $2}')
NETWORK_SSID=YourNetworkSSID
# You can set $NETWORK_PASSWORD in your profile if you don't want to be prompted for it every time.
PASSWORD=$NETWORK_PASSWORD

if [ -z ${PASSWORD+x} ]; then
	echo "Give me the password for $NETWORK_SSID immediately!"

	read PASSWORD
fi

echo "Ok, fine I'll connect you to $NETWORK_SSID if I can."

networksetup -setairportnetwork $WIFI_INTERFACE $NETWORK_SSID $PASSWORD