RhumbSolve(1) on Linux
The text cb5b966a9682, as Debian 9 (Stretch) shipped it.
Flags it lists
-
--comment-delimiter -
--help -
--input-file -
--input-string -
--line-separator -
--output-file -
--version -
-: -
-d -
-h -
-i -
-p -
-s -
-w