slurp(1) on Linux
The text b4a65c37c2a7, as Debian 12 (Bookworm) shipped it.
select a region in a Wayland compositor
Flags it lists
-
-B -
-a -
-b -
-c -
-d -
-f -
-h -
-o -
-p -
-r -
-s -
-w