Make periodic's output log to files if sendmail is disabled on install

[Chris H]

On Sun, 7 Jan 2018 23:05:44 -0500 <mykel at mWare.ca> said

> 1) if sendmail is disabled during installation, have periodic's output 
> logged to files (per example in 
> https://www.freebsd.org/cgi/man.cgi?periodic(8) )
> 
> 2) make this the default anyway (logging to files), arguably the vast 
> majority of systems' reporting is ignored :)
> At least now it could be logrotated out!
Hmm, if they are "arguably" already ignoring their system emails. Won't
they then *also* "arguably" ignore their [system] log files?
Why not just remove periodic etc/periodic(daily/weekly/monthly/security)?
But maybe I've just misunderstood the attempt here.
> 
> 
> 
> [22:54.53]  <Myke> AllanJude: will you make the installer smart that if 
> the user disables sendmail, that periodic's output will be sent to 
> logfiles instead?
> [22:55.17]  <AllanJude> not sure how doable that is
> [22:57.20]  <Myke> AllanJude: 
> https://www.freebsd.org/cgi/man.cgi?periodic(8) <-- see examples
> [22:57.55]  <AllanJude> ohh
> [22:57.57]  <AllanJude> ok then
> [22:58.04]  <AllanJude> should be fairly easy to do then
> [23:00.02]  <Myke> AllanJude: I'd argue logging periodic to files should 
> become the default since I'm willing to bet 99% of fBSD machines' output 
> is ignored.
> [23:00.34]  <AllanJude> Myke: that is a reasonable idea for freebsd 12
> [23:00.42]  <Myke> :)
> [23:00.55]  <AllanJude> want to email that to freebsd-current at freebsd.org
> [23:00.57]  <AllanJude> and then i'll do it ;)
> 
--Chris