ppmtoicr
Convert a PPM image to NCSA ICR format.
TLDR
Convert a PPM image to a ICR file
$ ppmtoicr [path/to/file.ppm] > [path/to/file.icr]
Display the output in name
$ ppmtoicr -windowname [name] [path/to/file.ppm] > [path/to/file.icr]
Expand the image by the specified factor
$ ppmtoicr -expand [factor] [path/to/file.ppm] > [path/to/file.icr]
Display the output on the screen with the specified number
$ ppmtoicr -display [number] [path/to/file.ppm] > [path/to/file.icr]
