osmium-tags-count(1) on Linux
The text 0a32df03c27a, as Debian 12 (Bookworm) shipped it.
count keys/tags
Flags it lists
-
--expressions -
--help -
--input-format -
--max-count -
--min-count -
--no-progress -
--object-type -
--output -
--overwrite -
--progress -
--sort -
--verbose -
-F -
-M -
-O -
-e -
-h -
-m -
-o -
-s -
-t -
-v