pnmtopnm
Copy and normalize PNM image format
TLDR
Copy and normalize PNM image
$ pnmtopnm [input.pnm] > [output.pnm]
SYNOPSIS
pnmtopnm [file]
DESCRIPTION
pnmtopnm copies PNM images while normalizing format. Useful as a filter to ensure proper PNM format. Part of Netpbm toolkit.
SEE ALSO
pamtopam(1), pnmtoplainpnm(1)