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local p = {}

function p.dat(frame)
    r = ""
    i = 1
    while frame.args[i] ~= nil do
    	s = os.date("*t")
    	if frame.args[i] ~= "0"
    	then
    		s["year"] = frame.args[i]
    	end
    	i = i + 1
    	s["month"] = frame.args[i]
    	i = i + 1
    	s["day"] = frame.args[i]
    	i = i + 1
    	t = os.time(s)
    	if t == os.time()
    	then
    		r = r .. frame.args[i]
		end
		i = i + 1
	end
	return r
end

return p