Name of HDF5 file
name = H5F.get_name(obj_id)
name = H5F.get_name(obj_id) returns the
name of the file to which the object obj_id belongs.
The object can be a group, dataset, attribute, or named data type.
fid = H5F.open('example.h5');
name = H5F.get_name(fid);
H5F.close(fid);