File name: tvset.hdf Vgroup:0 tag = 1965; reference = 2; name = Simple Vgroup; class = Test object; number of entries = 0; number of attributes = 0 Entries:- None. Vgroup:1 tag = 1965; reference = 3; name = Second Vgroup; class = Test object; number of entries = 3; number of attributes = 0 Entries:- #0 (Vgroup) tag = 1965; reference = 2; number of entries = 0; name = Simple Vgroup; class = Test object number of attributes = 0 #1 (Unknown Tag) tag = 1000; reference = 12345; #2 (Unknown Tag) tag = 123; reference = 1234; Graphical representation of the file:- (vg#: vgroup; vd: vdata) vg0 vg1 -- vg0 -- Unknown Object -- Unknown Object