Hello, > To keep it GNU, I looked around to see what library-style GNU > solutions exist for treating an archive file like a filesystem. > Oddly, no good documented (L)GPL GNU options dealing with tar, cpio, > pax, or 'ar' in an API way. But, there is a solution for .iso > files: libiso9660 from GNU libcdio.
Emacs has the ability to look inside tar files, so there might be something in there. That is just a thought, though. I can think of reasons you might not want to do it. This project sounds very interesting. Good luck! Noah