Hi,

I'm trying to batch process a lot of JPG files (from a GoPro
timelapse). One of the steps in the process is to correct the exposure
by a certain amount, which varies from image to image. I tested
darktable on one of the images and I like the result, but is there a
way to pass a list of commands generated on the fly to darktable-cli?
Something like

darktable-cli "module: exposure; parameters:-3.12"

I see in the manual that I can pass it an arbitrary xmp file, but the
"params" key in darktable:history doesn't look like something I can
modify easily. Of course a direct translation from exposure correction
value to the xmp parameter would be as good as a command line list .

I know that using darktable for this is like trying to kill a mosquito
with a cannon, but I tried with mogrify and the resulting images have
a strong color cast for big exposure changes, probably due to the
colorspace used. I trust darktable's image manipulations more ;)

Regards,
Guillermo
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