[mythtv-users] Rescan channels

[Stefan D]

> It sounds easy doesn't it - just scan and update channels. But when you
> start to look at it, there are all sorts of tricky ones - not least of
> which is if a channel has changed it's identity (by whatever measure you
> use), in which case you end up with two versions.
> At least with Myth you can script it, with every freeview device I've
> used, you have to re-order channels by hand (if you can do it at all), and
> you can forget about renaming anything.
>
>
But the channel id probably stays the same most of the times, only
mux/transponder, QAM and such things that change. But yes, you could get
multiple versions.

I guess i have to make one big script to update the channels and start from
scratch.

What is the best way to remove all the channels? Yesterday i deleted all
the entries in the channel table, but after that i couldn't scan for
channels. So i also removed and added the DVB cards in mythtv-setup to get
it to work again. But it was late, so i could have made some mistake. But i
guess clearing the channel table should be enough?

/Stefan
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