HDF5 "tdset.h5" {
DATASET "dset1" {
   DATATYPE  H5T_STD_I32BE
   DATASPACE  SIMPLE { ( 10, 20 ) / ( 10, 20 ) }
}
DATASET "/dset2" {
   DATATYPE  H5T_IEEE_F64BE
   DATASPACE  SIMPLE { ( 30, 20 ) / ( 30, 20 ) }
}
}