for i in ak-4651c-ps ak-4652c-ps ak-4653c-ps ak-4654c-ps ak-4655c-ps ak-4656c-ps ak-4661c-ps ak-4662c-ps ak-4663c-ps ak-4664c-ps ak-4665c-ps ak-4666c-ps ak-4667c-ps ak-4668c-ps ak-4669c-ps ak-4670c-ps ak-4672c-ps ak-4673c-ps ak-4674c-ps ak-4675c-ps ak-4676c-ps ak-4677c-ps ak-4678c-ps ak-4679c-ps ak-4680c-ps ak-4681c-ps ak-4682c-ps ak-4683c-ps ak-4684c-ps ak-4710c-ps ak-5598c-ps ak-5599c-ps ak-5601c-ps ak-5602c-ps ak-5603c-ps ak-5604c-ps ak-5605c-ps ak-5606c-ps ak-5607c-ps; do
  if test ! -f $i; then
#   echo $i...
    grep $i... Files.txt
  fi
done