bluetooth-battery-check

#!/bin/bash

set -e -f -u -o pipefail

ioreg -l | awk '
  /"Product"/ {
    sub(".*Product. = ", "");
    gsub("\"", "");
    product = $0;
  }
  /BatteryPercent/ {
    if ($NF < 10) {
      print "Low battery: " product ": " $NF;
    }
  }
  '