On Wed, 21 Oct 1998, Simon Rainey wrote:
> Further to my earlier e-mail, a system filter seems the right approach.
> What I really need now is the ability to obtain the result of a pipe
> command so that I can filter externally and redirect internally. Capturing
> the exit value would be enough. Is this possible? The external filter has
> to do quite a bit more than is possible with the internal filtering
> mechanism (e.g. decoding MIME attachments).
I really should put something in the FAQ to answer this one, which keeps
coming up. The answer is that you can't, I'm afraid. The result of a
pipe command is not available to a filter, because it doesn't run any
deliveries while filtering. It just *sets up* deliveries. They all
happen later.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
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