NAME

       pnminvert - invert a portable anymap

SYNOPSIS

       pnminvert [pnmfile]

DESCRIPTION

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

SEE ALSO

       pnm(5)

AUTHOR

       Copyright (C) 1989 by Jef Poskanzer.

                                                 08 August 1989                                     pnminvert(1)