i make a patch with many buffers.i save their name and path in a coll object....i would like give a automatic path for this coll...for save in the same directory of the patch....

which information object give me the path of my patch???

hi everybody,
i make a patch with many buffers.i save their name and path in a coll object....i would like give a automatic path for this coll...for save in the same directory of the patch....
which information object give me the path of my patch???
thanks a lot for your help

how know the path of a patch?