#! /bin/bash
# This script tests: ppmhist
# Also requires: pgmramp

  alias ppmhist="${PBM_TESTPREFIX}ppmhist"
  alias pgmramp="${PBM_BINPREFIX}pgmramp"
  shopt -s expand_aliases

pgmramp -maxval=8 -lr 8 2 | ppmhist -sort=rgb
ppmhist -map -sort=rgb testimg.ppm | cksum