Sorry if this has been asked before but I've not found it.
I am trying to replace exif data that has been removed usually by Lightroom when exporting a jpg.
The situation is that I may create several copies of one file. My naming convention is always to keep the original fname and add to it.
So DSC_3000.nef might have some jpg versions that are DSC_3000_mono.jpg and DSC_3000_v2.jpg
I'd like to find global solution to updating all versions, copying the exif data from the original nef file to all the jpg copies.
I can do this on a spedific file using: