Lightroom: Export only modified photos

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  • Updated 2 years ago
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When exporting photos, that already exists in that location, it would be great to have one additional option: "Overwrite only modified photos", so that I do not have to manually select the ones that I adjusted.
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Lukáš Řádek

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Posted 2 years ago

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avpman

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You can accomplish this by "Publishing" to hard drive instead of Exporting. Go to Publishing Services and click the + sign to add a new service. Choose harddrive. You'll likely have to create collections (smart or otherwise) and add your photos to them and then publish the collection(s) it will only overwrite photos which have been modified.

There may also be some 3rd party plugins available to export changed photos. But this is kinda already native to the publishing feature already present in LR.

Good luck!
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Lukáš Řádek

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Thanks, I will definitely explore that :-). Anyway I think having that in export would add to the flexibility :-).
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Paul Plak

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Yes, but as LR has no way to know or check that the file you already have on disk is the same as the file it is going to create from your list of commands in the catalog, it has to export to another name, compare the files, and decide if it needs to overwrite or not. That is going to create some extra overhead, because even files that do not need to be overwritten need to be at least virtually created to do the compare. that's bound to slow down the export process and make it twice as slow. Not sure I want that.
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Lukáš Řádek

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For Paul Plak:

Well, Lightroom can check it the same way as it does in Publish services :-). Yes, it is probably only according to LR metadata, so it - as you say - has no idea what state is the photo on the disk, but that doesn't matter.

Actually I originaly meant it that way (just check if something happened to the photo since last export (maybe in context of concrete export folder)). It would create overhead but just in a way, that the photographer would have to know what files are in the folder.

Which is absolutely OK for me, because I have one "final export" folder, and if I need to do some post-final export changes to the photos and then export just the modified, it is pretty well controled scenario.