incrementing dates and renaming file

[chelmite]

I need to increment the date/time of my image files, and rename the files according to the adjusted date/time. How do I do that?
I tried

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exiftool -d "%Y-%m-%D_%H.%M.%S%%e" -P "-AllDates+=0:0:0 1:21:0"but that doesn't rename the file or update the file mod time.

[Phil Harvey]

Try this:

exiftool -api globaltimeshift="1:21:0" -d "%Y-%m-%d_%H.%M.%S%%e" "-filename<createdate" "-filemodifydate<createdate" -alldates DIR

This uses the API GlobalTimeShift option to shift the extracted times, then writes them back to the tags referenced by the AllDates shortcut, as well as setting the file name and updating the filesystem modification date/time.  Note that you don't need to specify a date shift of 0:0:0 if you are only shifting the time.

Note that you should be using %d as above, not %D (see the list of common date/time formatting codes here).  Luckily your date/time formatting for the file name is compatible when writing back the date/time tags, or else the command would be a bit more complicated.

Also note that I'm setting the file name and the file modification date/time from the CreateDate metadata, but you can set it from any date/time tag.

- Phil

[chelmite]

Thank you!
This works, but reveals a new problem.

When I create the new file, the old one, having a different creation date, is still there in the directory.

• Is there a way to remove the old file after creating the new one with the new mod date?
• Is there a way to specify a new destination directory?
• Is there a way to set the file modification date to the updated date/time?

[Phil Harvey]

1. Is there a way to remove the old file after creating the new one with the new mod date?

Add -overwrite_original to the command.

2.  Is there a way to specify a new destination directory?

Add -directory="some/new/directory"

3.  Is there a way to set the file modification date to the updated date/time?

Drop "-filemodifydate<createdate" from the command.

- Phil