gistfile1.txt

`rm accounts/*`
ips = File.readlines('ips.txt')
accounts = File.readlines('accounts.txt')

mapping = {}

accounts.each_with_index.map do |subdomain, i|
  ip = ips[i % ips.size].strip
  mapping[ip] ||= []
  mapping[ip] << subdomain.strip
end

mapping.each do |ip, accounts|
  File.open("accounts/#{ip}.txt",'w'){|f| f.write accounts * "\n" }
end