Updates the SDL2 gamecontrollerdb.txt for 8BitDo Zero Gamepads

update_gamecontroller.sh

#!/bin/bash
curl -o Contents/MacOS/gamecontrollerdb.txt "https://raw.githubusercontent.com/gabomdq/SDL_GameControllerDB/master/gamecontrollerdb.txt"

echo "What's is your gamepad GUID? (something like a0050000000000003232000000000000" 
echo "Use http://www.generalarcade.com/gamepadtool/ for that."
read guid

grep "8Bitdo Zero GamePad" Contents/MacOS/gamecontrollerdb.txt | sed "s/05000000a00500003232000001000000/${guid}/" | sed "s/Linux/Mac OS X/" >> Contents/MacOS/gamecontrollerdb.txt

echo "Added '8Bitdo Zero GamePad' for Mac OS X to gamecontrollerdb.txt"