This is the command pgmhist that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
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 values.
Use pgmhist online using onworks.net services