aruponse

#coding: utf-8
from cStringIO import StringIO
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.header import Header
from email import Charset
from email.generator import Generator
import smtplib
 
# Example address data

aruponse

def is_valid?(number)
	 digits = number.to_s.reverse.chars.map(&:to_i)
	 check_sum = 0

	 digits.each_slice(2) do |odd, even|
		check_sum += odd
		next unless even
		even *= 2
	 	even = even.divmod(10).inject(:+) if even > 9
	 	check_sum += even

aruponse

input = ARGV[0]
index = 0 
numbers = ""
File.open(input, 'r') do |f| 
  while line = f.gets
    if index==0
      limit=line.to_i
      index+=1
      next
    end