Namecheap hosts file => Route 53

gistfile1.rb

File.readlines(ARGV[0]).each do |l|
  l.chomp!
  xs = l.split("\t")
  "@ 	MX 	ALT1.ASPMX.L.GOOGLE.COM. 	20 	1800"
  if xs.count == 5
    owner, rtype, tdata, pref, ttl  = xs
    pref = nil if pref.strip == "0"
    next if rtype.strip == 'URL'
    puts [owner, ttl, "IN", rtype, pref, tdata].compact.join("\t")
    # example.com.  IN  MX    10 mail.example.com.  ; mail.example.com is the mailserver for example.com
  else
    puts l unless l.to_s.strip == ''
  end
end