The needed check is made with exiftool’s -if parameter. The XMP “subject” tag might not exists and should not already contain the keyword, to avoid duplicate tags. Given that every DNG file has a existing XMP sidecar file, add a single keyword “forHDR” to allow filtering in digiKam/darktable. | select(.MakerNotes.ShakeReduction = 'Off' and. This jq query matches Pentax K-1 EXIF data, it might vary with other vendors or camera models.

Install Requirements sudo apt install exiftool jqĬreate a big JSON file with all EXIF data (adjust file pattern as needed) exiftool -json -g 20?/*/IMGP?.DNG > db.jsonįrom the JSON tree select all files that match auto bracketing and disabled shake reduction. Don’t wanna touch the DNG’s by accident, while playing with exiftool. I used “exiftool -json” in combination with “jq”, to have a little more control over what exactly gets changed. The general idea is to read the EXIF data and add a keyword to every matching photo, using a XMP sidecar file. digiKam’s advanced search can do the former but not the latter. A combination that usually means, the photo was made using a tripod. For HDR i wanted to find all photos, that were taken using exposure bracketing while shake reduction is turned off.

Exiftool if example