regina(1) on Linux
The text c4d9620af16e, as Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
The Regina Rexx Interpreter
Flags it lists
-
-a -
-c -
-e -
-i -
-p -
-tx -
-v