def tsv_to_yml(input, output)
  lines = []
  open_file = File.open(input, 'r')
  open_file.each { |line| lines.push line }
  open_file.close
  tags = lines[0].split("\t")

  write_file = nil
  write_file = File.open(output, 'w') unless output.nil?

  case write_file
  when nil then puts '---'
  else write_file.write("---\n")
  end

  (1...lines.size).each do |line_number|
    values = lines[line_number].split("\t")
    (0..5).each do |i|
      print_line = ''
      case i
      when 0 then print_line = '- '
      else print_line = '  '
      end
      print_line = print_line + "#{tags[i]}: #{values[i]}".delete("\n") + "\n"
      case write_file
      when nil then puts print_line
      else write_file.write(print_line)
      end
    end
  end
end

input = ARGV[0]
output = ARGV[1]

tsv_to_yml(input, output) unless input.nil?