ndi.test.ingest.compare
  COMPARE - compare sessions that are obtaining data from ingested or non-ingested sources
  B = COMPARE(DIRNAME1, DIRNAME2)
  Compare data from ndi sessions (from VH Lab) where one dataset
   (DIRNAME1) is not ingested and the other (DIRNAME2) is.
  If DIRNAME1 and DIRNAME2 are not provided, then
    DIRNAME1 = '/Users/vanhoosr/test/2019-11-19' and
    DIRNAME2 = '/Users/vanhoosr/test/3019-11-19'