ppmquantall
Quantize multiple images to shared palette
TLDR
Quantize images to same palette
$ ppmquantall [256] [*.ppm]
SYNOPSIS
ppmquantall ncolors files...
DESCRIPTION
ppmquantall reduces multiple PPM images to use a common color palette. Files are modified in place. Useful for GIF animations. Part of Netpbm toolkit.
PARAMETERS
ncolors
Maximum number of colors.files
PPM files to quantize.
CAVEATS
Modifies input files in place.
SEE ALSO
pnmquantall(1), ppmquant(1)