How to make Lightroom wait until ALL files exported before it starts post-processing application?

Question

Hi, whenever I start an export with more than about 8 images in it that I want passed to another application (e.g. PTGui, Photomatix etc.), the 'post-processing' application gets kicked off after the first 5-8 or so images have been exported, and then another instance is started for the next 5-8 images, etc.

How can I make Lightroom wait until all of the selected images have been exported, and only then start the 'post-processing' application?

Gary

johnrellis · Answer

The Post-Processing Application is defined to run on each individual file being exported, one invocation per file. In many use cases, it's quite useful to have the invocations of the application run concurrently with the rendering and exporting of the files. For example, if you're running a script that invokes Exiftool over the exported files, you'd like the invocations of that script to run concurrently to take advantage of multiple processors. I understand you'd like different functionality, but many people have long found the current functionality quite useful.

If you want to run an application on all the files created by the export as a group after the last file has been exported, see the Run Any Command plugin -- it provides that option. (You'll have to access that link from some browser other than Chrome, which has been in a long-running spat with that web site over the meaning of HTTPS URLs.)

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