Patching exif data

[HairyFool]

I want to import files from my library based on date taken

A number of files from my old iPhone appear to be missing the date taken but the value is in the file name, however the structure is not delimited



Can I use the exif tool to populate the Date Taken field from the filename when there are no delimiters? I have seen a couple of errors in the file date so don't want to use that.

[Phil Harvey]

Are these JPG files? (I assume so.)

If so, I would suggest this command to set DateTimeOriginal from the file name:

exiftool -if 'not $datetimeoriginal' "-datetimeoriginal<filename" -P DIR

This won't update files that already contain a DateTimeOriginal.  I've also added -P to preserve the original filesystem date/time in case it is useful.

But if you want the filesystem date/times updated, do this:

exiftool "-filemodifydate<filename" DIR

- Phil