Hello,
how would I divide or multiply an EXIF-value?
I got some files in which for whatever reason the value for FocalLength is ten times its real value, and I would like to correct this with exiftool
The following failed:
exiftool '-FocalLength=FocalLength*0.1' image.jpeg
Not a floating point number for ExifIFD:FocalLength
Argument "FocalLength*0.1" isn't numeric in multiplication (*) at (eval 30) line 8, <EXIFTOOL_FILE2
+> chunk 10.
1 image files updated
exiftool '-FocalLength=FocalLength/10' image.jpeg
Not a floating point number for ExifIFD:FocalLength
Argument "FocalLength/10" isn't numeric in multiplication (*) at (eval 30) line 8, <EXIFTOOL_FILE2>
+ chunk 10.
1 image files updated
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