Clean Pop3 Account

clean_pop3.rb

require 'net/pop'

Net::POP3.start(ARGV.shift, 110,
                ARGV.shift, ARGV.shift) do |pop|
  if pop.mails.empty?
    puts 'No mail.'
  else
    puts "Deleting #{pop.mails.size} mails."
    i = 0
    pop.each_mail do |m|   # or "pop.mails.each ..."
      File.open("inbox/#{i}", 'w') do |f|
        f.write m.pop
      end
      m.delete
      i += 1
    end
    puts "#{pop.mails.size} mails popped."
  end
end