[rsyslog] comparing two parts of a message

David Lang david at lang.hm
Fri Sep 22 18:49:39 CEST 2017

I think you would need to set a variable to the result of exec_template() to use 
the template language to extract the fields. then compare the two variables.

David Lang

On Fri, 22 Sep 2017, Maupertuis Philippe wrote:

> Date: Fri, 22 Sep 2017 17:00:19 +0200
> From: Maupertuis Philippe <philippe.maupertuis at equensworldline.com>
> Reply-To: rsyslog-users <rsyslog at lists.adiscon.com>
> To: "rsyslog at lists.adiscon.com" <rsyslog at lists.adiscon.com>
> Subject: [rsyslog] comparing two parts of a message
> Hi,
> One firewall is logging with incorrect message format.
> The datetime at the beginning of each message is written twice :
> Sep 22 13:00:00 Sep 22 13:00:00+02:00 Action="accept" UUid="{ ....
> In such a case rewriting the message with property(name="rawmsg" position.from="17") give me a correct result.
> What I would like is to test  is if  property(name="rawmsg" position.from="1" position.to="15") and property(name="rawmsg" position.from="17" position.to="31") are the same to alter the message only when needed.
> It doesn't seem that complicated but I can't figure out how to write this test.
> Any help would be welcome.
> Philippe
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