netcdf nccopyF {
dimensions:
	dim0 = 4 ;
	dim1 = 4 ;
	dim2 = 4 ;
	dim3 = 4 ;

// global attributes:
		:_Format = "netCDF-4" ;

group: g {
  variables:
  	float var(dim0, dim1, dim2, dim3) ;
  		var:_Storage = "chunked" ;
  		var:_ChunkSizes = 4, 4, 4, 4 ;
  		var:_Filter = "307,4|40000" ;
  		var:_NoFill = "true" ;

  // group attributes:
  } // group g
}