person = ARGV[0]
product = ARGV[1]
amount = ARGV[2]
log_dir = "./log/"

amount = 1.0 unless amount

output = File.open("#{log_dir}/matkant-#{Time.now.strftime('%Y%W')}.log","a+")
output << "#{Time.now.to_i};#{person};#{product};#{amount}\n"
output.close