[mythtv-users] Setting configuration key/hostname from command line

Bill Williamson bill at bbqninja.com
Sat Jan 10 22:53:21 UTC 2009


On Sun, Jan 11, 2009 at 3:14 AM, Mike Perkins
<mikep at randomtraveller.org.uk>wrote:

> Michael T. Dean wrote:
> > On 01/10/2009 07:56 AM, Bill Williamson wrote:
> >> I have a mythbox hooked up to a projector and an SDTV.  I use it for
> >> one OR the other each time.  The settings for each setup are wildly
> >> different.  I've separated them thus far by using a custom identifier
> >> (theater-TV and theater-PROJ) to keep settings apart (lots of myth
> >> settings differ to get best picture).
> >>
> >> Right now I have
> >> -a mysql.txt for each one in ~/.mythtv that is identical apart from
> >> the custom identifier line
> >> -a shell script to start each "mode" (cp ~/.mythtv/mysql.txt.proj
> >> ~/.mythtv/mysql.txt; mythfrontend)
> >>
> >> Is there a way to pass which identifier to use into mythfrontend?  It
> >> seems like it'd be a much better way of doing so.  The man page
> >> mentions overriding specific settings with a flag, but I couldn't get
> >> it to work fro the master identifier (only for other specific settings).
> >
> > The -O override-setting option is really meant for changing one or two
> > settings on one-shot runs.  It only works for settings in the settings
> > table.  The custom identifier, however, is used as the "hostname" for
> > all settings pulled from the settings table.  Therefore, I don't think
> > it's possible to change the custom identifier at the command line.
> >
> > The closest thing would be changing the location of the configuration
> > directory (using a not-highly-publicized environment variable), but that
> > would mean maintaining two otherwise-identical copies of what's
> > currently in ~/.mythtv.  (And, yes, while you could use links for the
> > equivalent content, when doing so it's likely that over time something
> > would get changed in one and not the other, and it would require careful
> > creation of all the directories that Myth would normally create over
> > time under the configuration directory so you'd have the proper links in
> > place.)
> >
> > Therefore, I'd say that the approach you're using is the best one (at
> > least for now).
> >
> Why don't you run the two configurations under two different users? That
> would
> provide a straightforward way of separating the two sets of ~/.mythtv
> files.
>

I considered this but the box is used for other things apart from myth.
Thanks for the suggestion though!
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