On 1/30/06, ara.t.howard / noaa.gov <ara.t.howard / noaa.gov> wrote: > > one cannot both check and/or create a dir in an atomic fashion. in fact, one > cannot even create a dir in an atomic fashion on some filesystems. about the > best you can do is While this is true, I think it only matters when one is dealing with multi-process and/or multi-threaded code, which I doubt the original poster is. But I know that multi-processing is about all you do Ara, so I guess it is hard to forget lessons like this! ;) Ryan