[gdal-dev] Not writing PAM files

[Even Rouault]

Hi Javier,

.aux.xml file is no longer generated on opening per 
https://github.com/OSGeo/gdal/commit/2ad4ebf4ddcaa74af2d4cea212fb61f0ac382f20

Even

Le 03/11/2025 à 10:13, Javier Jimenez Shaw via gdal-dev a écrit :
> Hi
>
> When I read some raster files (in particular thermal JPEG files), a 
> side car file .aux.xml appears next to it.
>
> I would like to avoid the creation of this side car file, but I want 
> to use any .aux.xml file if it is already there. Yes, I could imagine 
> there is a performance impact if I read it several times, but I am 
> going to read the file only once.
>
> The config option GDAL_PAM_ENABLED seems to be completely disabling 
> PAM functionality:
> https://gdal.org/en/stable/user/configoptions.html#persistent-auxiliary-metadata-pam-options
> Reading the documentation, I would imagine that the PAM is completely 
> disabled, not only the creation of the side car file while reading a 
> raster.
>
> Is it posible to not create the .aux.xml, but use it if present?
>
> Thank you
>
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