Thanks rednoah.

BTW I will be getting back to the a topic above to try your suggestions, but after a family vacation

Cheers,
Jeff

I will share the files this weekend. But I used ACDSee to inspect the files. It has a tab for FILE data, and a separate tab for EXIF data.
I added the result to the testing table.
[img][https://drive.google.com/file/d/1BmhtyNTBR1JNGZX49WdREqtoeZo-QBnC/view?usp=sharing]

For the two DNG files, ACDSee ...

rednoah,

Thanks for the replies - definitely appreciated. You brought up multiple topics, so I will segment my responses.

FIRST: I tried Renaming with just a handful of files in the GUI. It worked. So waiting 15 minutes was clearly not enough for the volume of files I was working on.
So it appears ...

More information, possibly relevant or a related problem:

I was testing {allOf{dt.format(/yyyy-MM-dd_hh∶mm∶ss/)}{camera.maker.space("_")}{camera.model.space("_")}.join('_')}
on DNG files. I changed ct to dt (date taken).

In Windows File Explorer, many files have a Date Taken of 2018-10-28... but ...

Hi all,

I have about 12,000 JPG files from Google Photos, sitting in a folder on a Synology NAS.

The plan is to rename them, them restructure into YYYY/MM-DD folders... then Immich.

My script is not too complex (I think):
{allOf{ct.format(/yyyy-MM-dd_hh∶mm∶ss/)}{camera.maker.space("_")}{camera ...