.TH pgmhist 1 "28 February 1989" .SH NAME pgmhist - print a histogram of the values in a portable graymap .SH SYNOPSIS pgmhist [pgmfile] .SH DESCRIPTION Reads a portable graymap as input. Prints a histogram of the gray values. .SH "SEE ALSO" pgmnorm(1), pgm(5), ppmhist(1) .SH AUTHOR Copyright (C) 1989 by Jef Poskanzer. Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. This software is provided "as is" without express or implied warranty.