users = ["christoffermadsen","jmaa","alexander","jacob"] shot_dir = "/var/shots/" log_dir = "./log/" users.each do |user| size = `du -B1 #{shot_dir}#{user}/ | awk {'print $1'} | head -n 1` count = `ls -1 #{shot_dir}#{user}/ | wc -l | head -n 1` [size,count].each do |x| x.delete! "\n" end output = File.open("#{log_dir}/#{user}.log","a") output << "#{Time.now.to_i} #{count} #{size}\n" output.close end