pamtogif
converts PAM/PNM images to GIF format
TLDR
Convert PAM to GIF
$ pamtogif [input.pam] > [output.gif]
Create interlaced GIF$ pamtogif -interlace [input.pam] > [output.gif]
Set transparent color$ pamtogif -transparent [#ffffff] [input.pam] > [output.gif]
SYNOPSIS
pamtogif [options] [file]
DESCRIPTION
pamtogif converts PAM/PNM images to GIF format. Part of Netpbm toolkit. Automatically reduces colors to 256 for GIF format.
PARAMETERS
-interlace
Create interlaced GIF.-transparent color
Transparent color.-alphacolor color
Alpha color.-comment text
Add comment.
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