Control Bluetooth Daemon through Command Line OSX

bluetooth.sh

#read the current pref, returns '0' for off and '1' for on.
defaults read /Library/Preferences/com.apple.Bluetooth.plist ControllerPowerState

#set bluetooth pref to off
sudo defaults write /Library/Preferences/com.apple.Bluetooth.plist ControllerPowerState 0

#set bluetooth pref to on
sudo defaults write /Library/Preferences/com.apple.Bluetooth.plist ControllerPowerState 1

#kill the bluetooth server process
sudo killall blued

#unload the daemon
sudo launchctl unload /System/Library/LaunchDaemons/com.apple.blued.plist

#reload the daemon
sudo launchctl load /System/Library/LaunchDaemons/com.apple.blued.plist

#start the daemon
sudo launchctl start com.apple.blued