file locking...

[Patrick O'Callaghan]

On Sun, 2009-03-01 at 11:47 -0800, Nifty Fedora Mitch wrote:
> Depending on the complexity of the activity you may need to resort to
> some of the tricks used by sendmail or postfix.  For example how do
> you know that a data file has been processed: not at all, completely
> or
> incompletely and if it matter should it get processed twice.

Maildir uses multiple directories and links mail messages between them
because hard-linking is NFS-safe. Something along these lines might be
suitable in this case.

poc