Simple counter program for AUNIS Beamers

beamer_count.lua

local event = require("event")

local counts = {}

while true do
	_, _, _, tab = event.pull("beamer_transfers")
	
	for k,v in pairs(tab) do
		if counts[k] == nil then counts[k] = 0 end
		counts[k] = counts[k] + v
	end
	
	for k,v in pairs(counts) do
		io.write(k..": "..v..", ")
	end
	io.write("\n")
end