dmenu-scripts/dmenu-wifi

#!/usr/bin/env bash

quick-notify "Getting list of available Wi-Fi networks..."
# Get a list of available wifi connections and morph it into a nice-looking list
wifi_list=$(nmcli --fields "SECURITY,SSID" device wifi list --rescan yes | sed 1d | sed 's/  */ /g' | sed -E "s/WPA*.?\S/ /g" | sed "s/^--/ /g" | sed "s/  //g" | sed "/--/d")

connected=$(nmcli -fields WIFI g)
if [[ "$connected" =~ "enabled" ]]; then
    toggle="睊  Disable Wi-Fi"
elif [[ "$connected" =~ "disabled" ]]; then
    toggle="直  Enable Wi-Fi"
fi

# Use dmenu to select wifi network
chosen_network=$(echo -e "$toggle\n$wifi_list" | uniq -u | dmenu -p "Wi-Fi SSID: " )
# Get name of connection
chosen_id=$(echo "${chosen_network:3}" | xargs)

if [ "$chosen_network" = "" ]; then
    exit
elif [ "$chosen_network" = "直  Enable Wi-Fi" ]; then
    nmcli radio wifi on
elif [ "$chosen_network" = "睊  Disable Wi-Fi" ]; then
    nmcli radio wifi off
else
    # Message to show when connection is activated successfully
    success_message="You are now connected to the Wi-Fi network \"$chosen_id\"."
    # Get saved connections
    saved_connections=$(nmcli -g NAME connection)
    if [[ $(echo "$saved_connections" | grep -w "$chosen_id") = "$chosen_id" ]]; then
	    nmcli connection up id "$chosen_id" | grep "successfully" && quick-notify "Connection Established" "$success_message"
    else
	    if [[ "$chosen_network" =~ "" ]]; then
		    wifi_password=$(dmenu -p "Password: " )
	    fi
	    nmcli device wifi connect "$chosen_id" password "$wifi_password" | grep "successfully" && quick-notify "Connection Established" "$success_message"
    fi
fi