Coming from a Windows and Linux background, I was used that mass renaming files was a non-stock feature and getting it right usually a pain in the butt.
How glad I was to find out [Wayback] How to rename multiple files at once on Mac | iMore
Believe it or not, it used to be a real pain to batch-rename files on Mac. Times have changed and so have the names of those 15 files.
…
Prior to OS X Yosemite, there was no simple way to rename multiple files at the same time on the Mac. Some people set up Automator rules. Others tried workarounds to rename files in third-party apps. Finally, Apple realized our heartache and created a much simpler way to rename multiple files at once, and it’s only gotten easier as macOS updates continue. Here’s how to batch-rename files on your Mac.
The only mass-rename I regularly need is fixing typos or OCR errors in filenames: this means replacing certain text with another piece of text.
That’s this easy:
The Wiert Corner - irregular stream of stuff 