#!/bin/bash
case "$1" in
	-f) 	sudo pmset -a hibernatemode 0
		result=$?
		if [ $result -eq 0 ];then
			sudo rm /var/vm/sleepimage
			echo "Fast sleep enabled and sleep image removed"
			exit 0
		else
			echo "Password incorrect or not entered?"
			exit 1
		fi
		;;
	-h)	sudo pmset -a hibernatemode 1
		result=$?
		if [ $result -eq 0 ];then
			echo "Hibernate enabled"
			exit 0
		else
			echo "Password incorrect or not entered?"
			exit 1
		fi
		;;
	-s)	sudo pmset -a hibernatemode 3
		result=$?
		if [ $result -eq 0 ];then
			echo "Safe sleep enabled"
			exit 0
		else
			echo "Password incorrect or not entered?"
			exit 1
		fi
		;;
	*)	echo "Hibernate script by Franklin van Velthuizen"
		echo "usage: hibernate [-fhs]"
		echo "-f	Enable fast sleep mode"
		echo "-h	Enable hibernation mode"
		echo "-s	Enable safe sleep mode (default on newer MacBook Pros)"
		echo ""
		currentmode=`pmset -g | grep hibernatemode`
		set -- junk $currentmode
		shift
		if [ -n "${2+x}" ]; then
			if [ $2 -eq 0 ]; then
				echo "Current mode: Fast sleep mode"
			else if [ $2 -eq 1 ]; then
				echo "Current mode: Hibernation mode"
			else if [ $2 -eq 3 ]; then
				echo "Current mode: Safe sleep mode"
			else
				echo "Current mode: unknown"
			fi fi fi
		else
			echo "Current mode: unknown"
		fi
		exit 1
		;;
esac