Speaking of Anki, here’s a Swiss Army knife of database utilities that provides searching, moving and renaming functions from the command line.
On GitHub.
You can do things like this to rename and collect tags:
$ anki_tool mv_tags '(dinosaur|mammal)' animal Looks cool.
[N.B. 2016-03-26 Nathan Ifill pointed out that it is possible to use Anki’s built-in conditional replacement feature to do what I’m illustrating. I’ll have to work on another example!]
Anki is a widely-used flashcard application. If you’re learning a foreign language and you’re not using Anki, you should be.
If you are using Anki and are picky about the appearance of the cards, you should know that JavaScript can be used in the card template.