# info > pgmhist

[pgmhist(1)](https://www.chedong.com/phpMan.php/man/pgmhist/1/markdown)                  General Commands Manual                 [pgmhist(1)](https://www.chedong.com/phpMan.php/man/pgmhist/1/markdown)

## NAME
       pgmhist - print a histogram of the values in a portable graymap

## SYNOPSIS
       pgmhist [pgmfile]

## DESCRIPTION
       Reads a portable graymap as input.  Prints a histogram of the gray val-
       ues.

## SEE ALSO
       [pgmnorm(1)](https://www.chedong.com/phpMan.php/man/pgmnorm/1/markdown), [pgm(5)](https://www.chedong.com/phpMan.php/man/pgm/5/markdown), [ppmhist(1)](https://www.chedong.com/phpMan.php/man/ppmhist/1/markdown)

## AUTHOR
       Copyright (C) 1989 by Jef Poskanzer.

                               28 February 1989                     [pgmhist(1)](https://www.chedong.com/phpMan.php/man/pgmhist/1/markdown)