rletopnm
Convert a Utah Raster Tools RLE image file to a PNM file.
TLDR
Convert an RLE image to a PNM file
$ rletopnm [path/to/input.rle] > [path/to/output.pnm]
Create a PGM image containing the RLE file's alpha channel
$ rletopnm -alphaout [path/to/alpha_file.pgm] [path/to/input.rle] > [path/to/output.pnm]
Operate in verbose mode and print the contents of the RLE header to stdout
$ rletopnm -verbose [path/to/input.rle] > [path/to/output.pnm]
