GIMP batch: error

[Kevin]

You need to enclose the file name in quotes but as they're already in quotes, you have to "escape" the inner quotes:

Code:

gimp-2.10.exe -i -b "(let* ((image (car (file-tiff-load 1 \"C:\Users\Camille\Documents\test.tif\" \"C:\Users\Camille\Documents\test.tif\")))))"