Script for Mac OSX to Restart Bluetooth service & Reconnect all recently paired devices

bluetooth-restart.sh

#!/usr/bin/env zsh

max_tries=3
devices=()
devices_ids=()

echo 'restarting bluetooth service.'
blueutil -p 0 && sleep 1 && blueutil -p 1

echo 'waiting bluetooth service to be restored.'
until blueutil -p | grep 1 >/dev/null; do sleep 1; done

echo
echo 'searching for disconnected keyboard/mouse.'
blueutil --paired | grep -E 'not connected.+(keyboard|mouse)' | while read line; do
  devices+=`echo $line | awk -F '["]' '{print $2}'`
  devices_ids+=`echo $line | awk -F '[ ,]' '{print $2}'`
done

if [[ ${#devices} == 0 ]]; then
  echo 'no devices found.'
  exit 0
elif [[ ${#devices} == 1 ]]; then
  echo '1 device found.'
else
  echo "${#devices} devices found."
fi

echo
for idx in {1..$#devices}; do
  device=$devices[$idx]
  device_id=$devices_ids[$idx]

  echo "connecting to \"$device\" ($device_id)"
  for retry in {1..$max_tries}; do
    if blueutil --connect $device_id; then
      echo 'success.'
      echo
      break
    fi

    if [[ $retry < $max_tries ]]; then
      echo 'retrying...'
      sleep 1
    fi
  done
done