ogr2ogr

[kisto]

ogr2ogr -f "ESRI Shapefile" mydata.shp mydata.tab
FAILURE:
Unable to open datasource `mydata.tab' with the following drivers.
  -> GRASS
  -> ESRI Shapefile
  -> MapInfo File
  -> UK .NTF
  -> SDTS
  -> TIGER
  -> S57
  -> DGN
  -> VRT
  -> REC
  -> Memory
  -> BNA
  -> CSV
  -> GML
  -> GPX
  -> KML
  -> GeoJSON
  -> Interlis 1
  -> Interlis 2
  -> GMT
  -> SQLite
  -> ODBC
  -> PGeo
  -> OGDI
  -> PostgreSQL
  -> MySQL
  -> AVCBin
Ma niekto skusenosti s ogr2ogr? lebo mne stale vypisuje toto a neviem kde robim chybu