Toggle Bluetooth on / off depending on the connected WLAN

99-toggle-bluetooth

#!/bin/bash
# /etc/NetworkManager/dispatcher.d/99-toggle-bluetooth
set -euo pipefail

IFACE="$1"
ACTION="$2"

[[ "$ACTION" == "up" ]] || exit 0
iw dev "$IFACE" info >/dev/null 2>&1 || exit 0

SSID="$(iw dev "${IFACE}" link | awk -F': ' '/SSID/ {print $2}')"
# echo "SSID: $SSID"
# echo "IFACE: $IFACE" 
# echo "ACTION: $ACTION" 

case "$SSID" in
    "Hidden Network")
        if [[ -z "$(bluetoothctl devices Connected)" ]]; then
            bluetoothctl power off
            notify-send "Bluetooth turned off" -t 5000 --icon /usr/share/icons/BeautyLine/apps/scalable/bluetooth.svg
        fi
        ;;
    "FDF-Strand")
        bluetoothctl power on
        notify-send "Bluetooth turned on" -t 5000 --icon /usr/share/icons/BeautyLine/apps/scalable/bluetooth.svg
        ;;
esac