Is it possible to apply filter through script or command line. I want to add a long shadow to about 50 files.

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For the basics, see here.

However LongShadow is a GEGL filter, and executing GEGL filters from scripts is still a bit of a dark art, see here for hints.

  • Thank you so much! As suggested in the thread, I ran gegl filter from command line, no need to even open GIMP :) Oct 3, 2021 at 5:16

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