play 'push it' sample in Mac OS X

pushit.sh

#!/bin/sh

# get / set volume
volume() {
	if [ -z $1 ]; then
		local volume=`osascript -e 'output volume of (get volume settings)'`
		local muted=`osascript -e 'output muted of (get volume settings)'`
		echo $volume $muted
	else
		osascript -e 'set volume output volume '$1

		if [ ! -z $2 ]; then
			muted $2
		fi
	fi
}

# get / set muted
muted() {
	if [ -z $1 ]; then
		osascript -e 'output muted of (get volume settings)'
	else
		osascript -e 'set volume output muted '$1
	fi
}

nowPushIt() {
	if [ ! -f /tmp/pushit.wav ]; then
		curl -s -o /tmp/pushit.wav https://dl.dropboxusercontent.com/s/zd45mxzb2e3btwe/nowpushit.wav?dl=1
	fi

	# play push it sample
	if [ `which afplay ` ]; then
		# get current volume
		local volume=$(volume)
		
		# set full volume
		volume 100 false
		
		# play the sample
		afplay /tmp/pushit.wav
		
		# restore volume settings
		volume $volume
	fi
}

# push it real good!
nowPushIt