Sometimes I have occasion to search my Mac with Spotlight for files (usually via the Finder) and then consider each file in turn for whatever I am looking for. For example, I recently wanted to look at everything I had noted about the reference manager Zotero. It's easy to get a list of all the files, but harder to check them off a list as I look at them.

When I am done with each file, I tag it with a color (usually gray) using a quick right-click, and extend the search to include "Tags is not gray" ^[[#fn.1][1]]

As I tag each file gray after I look at it, they automatically disappear from the list. When I'm done, I do another search for gray (which is now a saved search) and remove the tag from all the files.

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