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Hi Phil,
normally I succeed transferring exif-data between image-files but for the file-type Sigma-X3F I don't.
Displaying the exif-information works well using this command:
exiftool -a -u -g1 img110500.x3f
Of course, it perfectly displays the tag: 'DateTimeOriginal' among all tags available.
But I don't succeed copying this exiftag -DateTimeOriginal to the converted TIF-File with this command:
exiftool -tagsfromfile img110500.x3f -exif:DateTimeOriginal img110500.tif
I'd assume this may be caused by Sigma not really conforming to standards. I hope my assumption is wrong and that you've got a simple solution for this dilemma.
I was thinking of reading the 'datetimeoriginal' and writing it to 'file-list.txt' with a header like '$filename/$datetimeoriginal', listing each filename with its unique 'datetimeoriginal'.
In a second step I'd use the file-list.txt and read the data to be put into the corresponding tif-file. I guess that might be a complicated workaround (? ), but still, I am not succeeding with the proper syntax.
Your advice is highly appreciated, thanks. Looking forward to hearing from you,
with kind regards, Hans.
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