[mythtv-users] Easiest way to edit channels

Kevin Johnson iitywygms at gmail.com
Sat Dec 18 15:52:45 UTC 2021


On Sat, Dec 18, 2021 at 9:44 AM Paul Harrison <mythtv at mythqml.net> wrote:

> On 17/12/2021 01:21, Kevin Johnson wrote:
>
>
>
> On Tue, Dec 14, 2021 at 1:42 PM Simon <linux at thehobsons.co.uk> wrote:
>
>> Kevin Johnson <iitywygms at gmail.com> wrote:
>>
>> > Thank you for the suggestion.  Do I need to do this for each and every
>> channel?
>> > That would be kind of time consuming doing it for 900 channels.  Maybe
>> I am not understanding?
>>
>> Yes, it is time consuming - but whatever method you use will be time
>> consuming with 900 channels.
>> But, by scripting it, you put in a bit more effort up front and save time
>> later. I use a script which is a little developed from
>> https://www.mythtv.org/wiki/Database_editing_script The script as shown
>> there adds 10,000 to the channel number if it’s not 7nn (radio channels on
>> our UK Freeview) to move everything out of the way. Then it makes all but
>> radio channels non-visible.
>> Then for each “useful*” channel it sets it back to visible, gives it a
>> sensible channel number, and sets the xmltv identifier for listings.
>>
>> Yes, it’s a complete pita to set up the first time, then just a minor
>> pita to maintain each time Freeview changes stuff.
>>
>> But whenever I need to re-scan, I can just “delete all channels, scan,
>> run the script and see all my channels reset as they were”. Then it’s a
>> case of looking to see what channels are still at 10,000 upwards and not
>> visible (they still chow in the channel editor in MythWeb) and edit the
>> script to catch those I want.
>>
>> * For whatever value of “useful” you apply - pesonally I don’t want to
>> see shopping channels etc. I’m guessing that you’ll have a lot of encrypted
>> channels you can detect in a scan but which aren’t usable.
>>
>>
>> > Command line editing a database is just not something I am familiar
>> with.
>>
>> Yeah, it’s not the easiest thing in the world to learn.
>>
>> Simon
>>
>
> So I was able to figure out chedit2.pl and have been successfully editing
> the database.
> Once I get the database trimmed, what is the best way to have the channels
> I have removed from the database not show in the guide?
> Is there an option using mythfilldatabase?  Or do I now need to delete the
> unused channels using mythweb or channel editor on the backend?
>
> Thanks for all the help
>
>
> Add  '--only-update-guide' to the mythfilldatabase parameters and it wont
> update the channels.
>
> https://www.mythtv.org/wiki/Mythfilldatabase#Channels
>
>
> Paul H.
>
> I think that is the key I personally am looking for.
I edit the database removing channels I do not want.  Then add the
--only-update-guide parameter to mythfilldatabase and it will not add any
channels to the epg.

Thank you.

Call me crazy, but shouldn't that be the default action of
mythfilldatabase?  Especially if one is using sd-json format?
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