Hello,
Thanks for contacting National Instruments.
Here are a couple resources that I think will help you to perform the file transfer.
http://zone.ni.com/devzone/conceptd.nsf/webmain/36897BE9A30E297F86256804006A137D?opendocument
http://zone.ni.com/devzone/conceptd.nsf/webmain/C4BAA0EEEC72CB428625680400567A38?opendocument
Hope this help! Good luck with your application!
Regards,
Steven B.
Application Engineering
National Instruments