The best part is, when you need to do that across multiple files that you can find with a :grep or :Rg command, its trivial. Populate the quickfix/location with

The best part is, when you need to do that across multiple files that you can find with a :grep or :Rg command, its trivial. Populate the quickfix/location with grep (or ripgrep or silver searcher etc) and fire off a cdo with a :s/foo/bar/g and watch it run.