applescript to vary vlc volume based on load average (for ambient sound representing load avg)

gistfile1.txt

to getLoadAvgsResult()
	return do shell script "(uptime | awk '{print $10}' | cut -d \",\" -f 1)"
end getLoadAvgsResult

set last_load to getLoadAvgsResult()

repeat 999 times
	set current_load to getLoadAvgsResult()
	log last_load
	log current_load
	set diff to last_load - current_load
	
	if (diff > 0.05 and current_load > 2) then
		tell application "VLC" to volumeDown
		log "down"
	else
		if (diff < -0.05 and current_load < 3) then
			tell application "VLC" to volumeUp
			log "up"
		end if
	end if
	set last_load to current_load
	delay 5
end repeat