ppmtoyuv
Convert a PPM image to an Abekas YUV file.
TLDR
Read a PPM image from the input file, convert it to an Abekas YUV image and store it in the specified output file
$ ppmtoyuv [path/to/input_file.ppm] > [path/to/output_file.yuv]
Read a PPM image from the input file, convert it to an Abekas YUV image and store it in the specified output file