Export xfproj file without 'Extract to zip' selected.

I am using a BR to extract the Business Rules as part of an update process. I am using the code from here:

https://community.onestreamsoftware.com/t5/Workflow-and-Data-Integration/Import-XML-to-create-objects/m-p/32087

I can extract to a zip file which contains the BRs wrapped up in their application area XMLs eg ApplicationDashboards.xml contains all the dashboard type BRs. I want to extract the BRs as individual files i.e. the format you get when you extract the xfproj file without checking 'Extract to zip'. Anyone know how to do that?

Thanks