pbmtoppa(1) on Linux
The text 6fa702441281, as Debian 3.1 (Sarge), Debian 3.0 (Woody) shipped it.
convert PBM image to HP Printer Performance Architecture (PPA)
Flags it lists
-
-b -
-f -
-l -
-r -
-s -
-t -
-v -
-x -
-y