sudo defaults write /Library/Preferences/com.apple.Bluetooth BluetoothAutoSeekKeyboard '1'
sudo defaults write /Library/Preferences/com.apple.Bluetooth BluetoothAutoSeekPointingDevice '1'

tell application "System Events"
    tell process "SystemUIServer"
        tell (menu bar item 1 of menu bar 1 whose description is "bluetooth")
            click
            click menu 1's second menu item
        end tell
    end tell
end tell

osascript -e 'tell application "System Events" to tell process "SystemUIServer" to tell (menu bar item 1 of menu bar 1 whose description is "bluetooth") to {click, click (menu item 2 of menu 1)}'

tell application "System Preferences"
    set current pane to pane id "com.apple.preferences.bluetooth"
    tell application "System Events"
        tell process "System Preferences"
            click checkbox "On" of window "Bluetooth"
        end tell
    end tell
    quit
end tell