only process txt file
only process txt file


Former-commit-id: 4f7a2dca4053c4a65c399f44ee2bf008ae60d397
julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine