InputStream din = BiffViewer.getPOIFSInputStream(new File(file));
RecordInputStream rinp = new RecordInputStream(din);
while(rinp.hasNextRecord()) {
int sid = rinp.getNextSid();
rinp.nextRecord();
int size = rinp.available();
Class<? extends Record> clz = RecordFactory.getRecordClass(sid);
System.out.print(