CmdID / Commands
Convert a GEM image file into a PNM image. tldr-pages
On several platforms
Opens CmdID with your command. It is read in your browser and sent nowhere.
Convert a GEM image file to a PNM image
gemtopnm path/to/file.img >path/to/output.pnm
Describe the contents of the specified GEM image
gemtopnm -debug path/to/file.img
Display version
gemtopnm -version