seth vidal wrote: > > > Another alternative is: > > > > 1) write to .newheaders > > 2) HARD LINK headers to .oldheaders > > 3) rename .newheaders to headers > > > > That's efficient, but requires hard links :) > > which not all filesystems have, right. Right. Not all filesystems have hard links. However, some do -- and in that case, it would be very nice to provide *true* atomicity when possible and cheap to do so. Would a bugzilla on this be useful? Rick