data/demo/metadata.json

{
  "tencap_sample.txt": {
    "agency": "DIA",
    "year": 1985,
    "program": "TENCAP"
  },
  "aatip_sample.txt": {
    "agency": "DIA",
    "year": 2009,
    "program": "AATIP"
  }
}