#!/usr/bin/env ruby require 'csv' tp = 0 fp = 0 tn = 0 fn = 0 File.readlines(ARGV[0]).each do |line| pred = line.chomp.split(",").last case pred when "TP" tp+=1 when "TN" tn+=1 when "FP" fp+=1 when "FN" fn+=1 end end puts "#{tp},#{fp}\n#{fn},#{tn}"