mengenizer.moon

split = (str) ->
	return if not str

	dim = "[^,]+"
	ret = [piece for piece in str\gmatch dim]

	return ret

valadd = (val) ->
	switch val\match "%a"
		when "A" return 5
		when "B" return 3
		when "C" return 2
		else return 0

file = io.open arg[1]
unit = 0
avg = 0


for i in file\lines!
	l = split i

	if l[8] ~= "\"D\""
		val = l[5]\gsub "\"", ""
		if tonumber val
			unit += tonumber val

		if l[8]
			avg += valadd l[8]

		print valadd l[8]

res = avg / unit

if res >= 3.2
	print "match with exemption of tuition fee"
else
	print "fxxk"

print "result: " .. tostring res