ppmtopict(1) on Linux
The text 883a91aa0ae4, as Debian 13 (Trixie), Debian 12 (Bookworm) shipped it.
convert a PPM image to a Macintosh PICT file
The text 883a91aa0ae4, as Debian 13 (Trixie), Debian 12 (Bookworm) shipped it.
convert a PPM image to a Macintosh PICT file