Disable or enable spotlight on Mac OS

spotlight.sh

#!/bin/sh

if [ ! $# == 1 ]; then
	echo "How To Use:" >&2
	echo "    ./spotlight.sh [load|unload]" >&2
	exit
elif [ ! $1 == 'load' ] && [ ! $1 == 'unload' ]; then
	echo "How To Use:" >&2
	echo "    ./spotlight.sh [load|unload]" >&2
	exit
fi

sudo launchctl $1 -w /System/Library/LaunchDaemons/com.apple.metadata.mds.plist

echo "Please reboot to take effect"