pbmtoppa(1) on Linux
The text a0901cf06aa6, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
convert PBM image to HP Printer Performance Architecture (PPA)
Flags it lists
-
-b -
-f -
-l -
-r -
-s -
-t -
-v -
-x -
-y