pnmtosgi
Convert PNM to SGI image format
TLDR
Convert PNM to SGI image
$ pnmtosgi [input.pnm] > [output.rgb]
Use RLE compression$ pnmtosgi -rle [input.pnm] > [output.rgb]
SYNOPSIS
pnmtosgi [options] [file]
DESCRIPTION
pnmtosgi converts PNM images to SGI (Silicon Graphics) image format. Part of Netpbm toolkit.
PARAMETERS
-verbatim
No compression (default).-rle
Use RLE compression.-imagename name
Set the image name field stored inside the SGI file.-mtime seconds
Set the modification time stored inside the file.
INSTALL
sudo apt install netpbm
sudo dnf install netpbm
sudo pacman -S netpbm
sudo apk add netpbm
sudo zypper install netpbm
brew install netpbm
nix profile install nixpkgs#netpbm