[syslog-ng] Ignoring previously handled/filtered messages

[Balazs Scheidler]

> Agreed.  What I'd like is a clause that means "log this only if not yet
> handled".  That way, we get it both ways -- if you don't specify anything, you
> get the current behavior, in which it would go to both logs.  Plus, with the
> "not-yet-logged" clause, I could catch everything where I want it, and then do
> the "not-yet-logged" clause just for the remaining facility(daemon), for
> example.
> 
>  - John...

The DEFAULT filter exists for exactly this purpose. It may be buggy since I
haven't touched that feature since 1.3.xx (when I implemented it), but the
syntax looks like this:

log { source(src); filter(DEFAULT); destination(dst); };

DEFAULT filters all not-yet-handled messages. I'll check out the other not
expression bugs as well.

-- 
Bazsi
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