ilbmtoppm
Convert an ILBM file to a PPM image.
TLDR
Convert an ILBM file to a PPM image
$ ilbmtoppm [path/to/file.ilbm] > [path/to/file.ppm]
Use the specified color to "show through" where the image is transparent
$ ilbmtoppm -transparent [color] [path/to/file.ilbm] > [path/to/file.ppm]
Ignore the chunk with the specified chunk ID
$ ilbmtoppm -ignore [chunkID] [path/to/file.ilbm] > [path/to/file.ppm]
Store the input's transparency information to the specified PBM file
$ ilbmtoppm -maskfile [path/to/maskfile.pbm] [path/to/file.ilbm] > [path/to/file.ppm]