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Length of IPTC:keywords


Uwe
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Hello,
I have hierarchical tags whose total length is correctly stored in the tag XMP:HierarchicalSubject, but not in full length by Daminion in the tag IPTC:Keywords (the string is truncated).
The ExifTool command: "-IPTC:Keywords<xmp:HierarchicalSubject" generates the following message:
"Warning: [Minor] IPTC:Keywords exceeds length limit (truncated)" and also truncates the string.
With the command: "-IPTC:Keywords<xmp:HierarchicalSubject -m" you can suppress the warning and the ExifTool saves the tag in full length.

Wikipedia: Any number of keywords, each max. 64 characters long, also with spaces (https://de.wikipedia.org/wiki/IPTC-IIM-Standard#IPTC-Felder)

But here (6.16. Keywords) is no limitation described:  https://www.iptc.org/std/photometadata/specification/IPTC-PhotoMetadata#keywords

What is the right thing to do here - cut it off or save it in full length?

Example:

XMP:HierarchicalSubject:
original, Karte|Bild, Ereignis|Tag der offenen Gärten und Höfe|Tag der offenen Gärten und Höfe 2017, Foto|Sonntagsbuch|Sonntagsbuch 2017
IPTC:Keywords:
original, Karte|Bild, Ereignis|Tag der offenen Gärten und Höfe|Tag der offenen Gärt, Foto|Sonntagsbuch|Sonntagsbuch 2017

Regards, Uwe

Translated with www.DeepL.com/Translator (free version)

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