[sane-devel] Where should a backend save config data ?

Oliver Rauch oliver.rauch@rauch-domain.de
Wed, 24 Jul 2002 22:07:58 +0200

You will not be able to save the data to a system directory
because all users need write access to the file.
Be carefull with security with such files!

I suggest not to save any calibration data to a file.
The calibration data does not keep valid for a long time
because the illumination of the lamp does change, especally
for several minutes after the scanner lamp has turned on.

I suggest to keep the calibration data in the memory or
save it to a temporary file that is erased when sane_close
is called.


mh schrieb:
> Hi,
> small problem:
> Is there a well-known location, where a backend should/could save some data?
> I'd like to save some calibration data (shading,exposure ...), but I'm not
> sure how to do this.
> Should this go to $HOME/.sane ? Does this work with saned?
> Thanks,
> Michael
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