Want to selectively copy photo files

Using Adobe Bridge, the Find command should be able to isolate based on Keywords, you could then select all returned files and copy to a new folder:

That being said, I would not hold much hope if you do have 80K images!

Did you read ExifTool documentation? Some here may know whether ExifTool can carry out the responsibility., I would not believe that it would duplicate records its name yells EXIF Tool to me fix up adjust EXIF information. Maybe it can channel by EXIF information and duplicate documents that meet the channel prerequisites. Be that as it may, Keywords I don't accept is a piece of EXIF Data that more like camera information, settings, date, GPS and so forth. What might a camera think about keywording a picture?

Regards

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This is not really the forum for this question, however, this one is:

https://exiftool.org/forum/

I'd like to recommend Adobe Bridge, however, I'm not sure if it would fall over or not. It would certainly be slow...

That being said, what is the "specific value that will appear in some of the files' Keyword EXIF data"?

Keywords are generally be contained in the legacy IPTC:Keywords or the currently favoured XMP:Subject metadata.

To find out where the required metadata is, on the Mac you could use:

exiftool -a -G1 -s 'path/to file/here.tif' 

While on Windows you would swap the single straight quotes for double straight quotes:

exiftool -a -G1 -s "path/to file/here.tif" 

Did you read ExifTool documentation. Some here may know if ExifTool can do the job.,  I would not think that it would copy files its name shouts EXIF Tool to me fix up modify exif data.  Perhaps it can filter by exif data and copy files that meet the filter requirements.  However, Keywords I do not believe is part of EXIF Data that more like camera info, settings,  date, GPS etc. What would a camera know about keywording an image.