Re: Meaning of "." (dot) in netfilter

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On Sat, Dec 04, 2021 at 01:05:21PM +0100, Eugene Crosser wrote:
> Hi Duncan,
>
> On 04/12/2021 08:45, Duncan Roe wrote:
>
> > "." is the symbol for concatenation. It's been missing from the man page
> > forever.
> >
> > I was going to submit a patch to add "." but wasn't really sure when you could
> > use it so I never did.
>
> It is my understanding that the only use for concatenation is to define
> composite value for the key in a `map` / `vmap` or the element in a `set`. Maybe
> someone more knowledgeable can correct me.
>
> Regards,
>
> Eugene

I thought it was set definition in general. Again, someone more knowledgeable
can correct me.

Cheers ... Duncan.



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