[mythtv-users] "Record Only This Showing" & duplicate matching

David Engel david at istwok.net
Tue Mar 18 14:33:14 UTC 2014

On Tue, Mar 18, 2014 at 07:14:55AM -0400, George Nassas wrote:
> On Mar 17, 2014, at 5:32 PM, Mark Perkins <perkins1724 at hotmail.com> wrote:
> > Identical and non-generic?
> I think you're off on a tangent here.

No, he's spot on!

> I'm really asking the intended behaviour of the single recording rule & hoping to catch the attention of David Engel for a Solmonic pronouncement.

You did catch my attention, but since others had already responded
with the correct information, I had nothing to add.  I will reiterate
in this case, though.  In the cases you believe worked correctly, the
programs had generic programids, meaning the scheduler can't tell if
they are the same program or not.  In the casees you believe didn't
work, the programs had the same, non-generic programid, meaning the
scheduler could tell they were the same program.  This behaviour has
not changed in several years.

> To my mind record once is a kind of manual recording with metadata as a value added. I'm not sure why someone would go trawling through the listings for a particular showing if they then wanted the scheduler to overrule them, there are plenty of very nice search rules for that.
> If single recording is not intended as an imperative + metadata then maybe it ought to be.

There are "Record this showing" and "Record one showing" (old "Find
one") rules.  I'm going to assume your "record once" is the latter.
It works as has already been described.  Yes, it could be done with a
search rule, but it's much more convenient and some users find
creating search rules to be tedious or intimidating.  Additionally,
"Record one" rules are preferred over "Record this" rules for the same
reason as "Record all" rules with and without the channel filter --
they give the scheduler more flexibility in the case of conflicts.

David Engel
david at istwok.net

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