I haven't tried it, but the first thing that came to mind when you said the file needed to stay intact was: cdrecord your_big_file.gz'.
Then: unzip /dev/cdrom when you needed to expand. I don't know if cdrecord will do it or if there is something with the cdr format that will screw it up. Just an idea, Ken -- --------------------------------------------- "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety."--Benjamin Franklin " 'Necessity' is the plea for every infringement of human liberty; it is the argument of tyrants; it is the creed of slaves."--William Pitt -- TriLUG mailing list : http://www.trilug.org/mailman/listinfo/trilug TriLUG Organizational FAQ : http://trilug.org/faq/ TriLUG Member Services FAQ : http://members.trilug.org/services_faq/
