You can use the read characters from the File I/O palette, parse the string obtained from the header and footer that are given in "Write to XML file"(double click on the VI to see the code). Header is:
6.1
and footer is:
When the string is parsed, you can use the Unflatten from XML.vi to get back to the original datatype.
Regards,
Cyril Bouton
Applications Engineer
National Instruments
Cyril Bouton
Active LabVIEW Developper