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mossme89

macrumors 6502a
Original poster
We’ve all done it: you go to open a bunch of photos you’re editing and you accidentally hit CMD + P instead of CMD + O. Then your computer goes insane trying to print a massive amount of images. Alternatively, you get the context mixed up in Finder, opening a parent directory items instead of the items in a given folder (the panel view in Finder makes it easy to do this).

When this happens to me for printing (accidentally print instead of opening items), i usually immediately disconnect from the network so it doesn’t actually print. Then i run “killall Finder” or “killall <app>” repeatedly but it doesn’t seem to actually do anything because the opening tasks or actions are already loaded into memory.

Is there a terminal command to cancel the batch processing of items?

Unfortunately, the only solution that always works that I’ve found is force resetting. But there has to be another way.
 
I haven't done that with a large number of files. So, when it happens on just a few, I pull the paper out of the printer, then I clear the print queue. That would work for your situation, but might mean coming back later, and a tedious process. (I don't recall if there is something like "clear all" available.)
 
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