# Check to see if "low power" Bluetooth is supported on a given Mac

bt4check.sh

#!/bin/zsh -f
# Check to see if "low power" Bluetooth is supported on a given Mac
#
# From:	Timothy J. Luoma
# Mail:	luomat at gmail dot com
# Date:	2016-04-13

NAME="bt4check.sh"

PATH=/usr/local/scripts:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin

	# This should be '4' or greater
BLUETOOTH_VERSION=$(system_profiler -detailLevel full SPBluetoothDataType \
					| awk -F' ' '/LMP Version/{print $3}' \
					| cut -d. -f 1)

if [ "$BLUETOOTH_VERSION" -ge "4" ]
then

	echo "$NAME: SUCCESS: This Mac support Bluetooth version 4 or greater ($BLUETOOTH_VERSION)"

elif [ "$BLUETOOTH_VERSION" -lt "4" ]
then

	echo "$NAME: FAILURE: This Mac does not support Bluetooth version 4 or greater (Version = $BLUETOOTH_VERSION)"

	exit 1

else

	echo "$NAME: It is not known whether this Mac supports Bluetooth version 4 or later, as required by Knock. (BLUETOOTH_VERSION = $BLUETOOTH_VERSION)"

	exit 2
fi

exit 0
#
#EOF