If you're working without a safety net, not so much. If you completely bork the image files, you can restore them. Make sure you have verified backups of every image file you use in testing. Check that the exiftool command worked by doing whatever is needed to check the date. Change the echo "$f" line in the shell script to be your exiftool command line. Next, it's time to edit the Run Shell Script's prototype. You can disable this step later (right-click on it, choose "Disable" from contextual menu). Run it and look at the results with just the prototype shell script. Use a "Get Specified Finder Items" action, and put it BEFORE Run Shell Script. You may then need to add another step before Run Shell Script to feed it example files. You should also spend a little time looking at the output, and understand how to read the results.
All it will do is echo things dropped on it, but it should give you a sense of the steps that are happening. This choice will also give you a different shell command prototype to work from ("to stdin" has a "cat" prototype).įrankly, at this point you should save it and try running it. The third decision is how to pass input and you should choose "as arguments". The second decision is what action to add. It should be an Application, because this is what accepts items dropped onto it. The first decision to make in Automator is what kind of workflow to make. Basically, you put the command-line into an Automator workflow, and the workflow accepts drag-n-drops, runs the command, etc.
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