how to compare file modification time (whole dir tree?)

[Maarten Litmaath]

In article <303 at risky.Convergent.COM>,
	chrisb at risky.Convergent.COM (Chris Bertin) writes:
)...
)To go back to the original script, it really doesn't need to open /dev/null.
)Most people do that when they want to discard output, but why not close
)the apropriate file descriptor?

Because in general it's a bad idea _not_ to provide a program with _valid_
stdin, stdout and stderr files.  The program e.g. might abort after
discovering a write() to file descriptor 1 failed...
--
   "UNIX was never designed to keep people from doing stupid things, because
    that policy would also keep them from doing clever things."  (Doug Gwyn)