1. NAME

pnminvert - invert a portable anymap

2. SYNOPSIS

pnminvert [ pnmfile ]

3. DESCRIPTION

Reads a portable anymap as input. Inverts it black for white and produces a portable anymap as output.

4. SEE ALSO

pnm(5)

5. AUTHOR

Copyright (C) 1989 by Jef Poskanzer.