headset_battery_level

#!/bin/zsh
# utility to get level battery for i3pystatus
# need the device name as argument
# GistID: abb0acf1bfd890713aadeef7e46fe834

MAC=$(bluetoothctl devices | grep "$1" | cut -d" " -f2)
LEVEL=$(bluetoothctl info $MAC | grep -q Connected && based-connect $MAC -b)

if [ $LEVEL ]
then
    echo " ${LEVEL}%"
    if [ $LEVEL -lt 11 ]
    then
        exit 1
    fi
else
    echo ""
    exit 0
fi