Description

Helper script for basic wifi usage : turn wifi on/off, list available wireless networks, connect to a wireless network.
This script uses nmcli

Options :

Without any options, it turns wifi on/off
-c, --connect <SSID> connect to access point <SSID>
-h, --help display help message
-l, --list list available access points
-r, --restart restart the wifi

POSIX compliant script