gistfile1.txt

#!/usr/bin/env zsh


#device=$2
device=/dev/cuaU0

case "$1" in 
"off")
	echo -n "\x00" > $device    
	;;
"colour")
	echo -n "\x01\xFF\xFF\xFF" > $device
	;;
"count")
	echo -n "\x10" > $device            
	;;
"rainbow")
	echo -n "\x11" > $device
	;;
"alert")
	echo -n "\x12\xFF\x00\x00" > $device
	sleep 3
	echo -n "\x01\xFF\xFF\xFF" > $device
	;;
"enablepixels")
	#echo -n "\x13\xFF\xFF\xFF\x01\x00\x01\x00\x01\x00\x01\x00\x01" > $device
	echo -n "\x13\xFF\xFF\xFF\x01\x01\x01\x01" > $device
	;;
esac