john.horne at plymouth
Jul 20, 2013, 9:12 AM
Post #3 of 4
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On Sat, 2013-07-20 at 15:59 +0100, Jeremy Harris wrote:
> On 07/20/2013 09:49 AM, Mike Cardwell wrote:
> > I want a transport_filter to execute under certain conditions only. I
> > attempted making it so that if the condition didn't succeed then it
> > expanded to an empty string, but that didn't work. E.g:
> >
> > transport_filter = "${if CONDITION{command to filter though}{}}"
>
> This won't work because the split-by-whitespace is done before expansions...
>
> > Is there a good solution for this?
>
> Could you pass the condition to the filter and have it decide to do nothing?
>
Since the transport_filter expects output, the 'do nothing' could be the
'cat' command to just echo the incoming message. In that case though,
perhaps changing the '{}' in the above condition to '{cat}' would work?
John.
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John Horne, Plymouth University, UK
Tel: +44 (0)1752 587287 Fax: +44 (0)1752 587001
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