Transparently write any .ifc | .ifcXML | .ifcZIP formatted file
with any extension :
- by guessing format from its extension
(eg. .zip | .ifczip | .ifcZIP | .ifcXML | .ifcxml | .IFC | .ifc)
zipped file can file can be of any supported format
- by specifying a format
- by specifying if it should be zipped