file locking on nfs? expiring old mail messages?

[Francois Pinard]

[Michael Hudson]

> > I'm working on a program to delete old messages from an mbox-formatted
> > mailbox, and could use proper locking.

Would `movemail' do, by any chance?  It originally came with Emacs so far
that I know,, and I would presume Emacs still has it.  I've also seen it
distributed within Netscape, with almost no modification.

-- 
François Pinard   http://www.iro.umontreal.ca/~pinard