#!/usr/bin/env sh

devices=$(bluetoothctl devices Connected | grep -oE '([0-9A-Fa-f:]{17})')

if [ -z "$devices" ]
then
    echo ""
else
    acc=""

    for mac in $devices
    do
        name=$(bluetoothctl info $mac | grep "Alias" | sed 's/.*Alias: //')
        battery=$(bluetoothctl info $mac | grep "Battery Percentage" | sed 's/.*(//;s/)//')
        acc="$acc $name"
        if [ "$battery" ]
        then
            acc="$acc ($battery%)"
        fi
    done

    echo "$acc"
fi