[mythtv-users] Rerecord large groups of recordings in digital

[Michael Watson]

On 21/08/2013 4:14 PM, Joseph Fry wrote:
>>> I am pretty sure that if the recording is marked as bad, Myth will re-record the program next time it appears.  Not sure if it then deletes the original, or even how to manually mark a recording as bad, maybe one of the dev's can advise a way to do this.
>> The recorded list pop up menu has an "allow this episode to rerecord" item which will accomplish what John wants. Unfortunately it's per-show only, meaning you can't use it with playlists, so it gets tedious issuing it for several dozen recordings. If one could whip up a keyboard macro then it might also be a good approach.
> The beauty is, that everything you do in the menu can be accomplished
> by editing the database.  I don't know what exactly "allow this
> episode to rerecord" does... but there is no doubt in my mind that you
> could reproduce this in scale with a few lines of SQL.
>
Was looking through the Custom Search's last night, there is an example 
template to exactly what the OP wanted (in 0.27 anyway).