#! /bin/bash
# This script tests: pnmcrop pnmmargin
# Also requires: pnmpad

  alias pnmcrop="${PBM_TESTPREFIX}pnmcrop"
  alias pnmmargin="${PBM_TESTPREFIX}pnmmargin"
  shopt -s expand_aliases

pnmmargin -white 10 testimg.ppm | \
  pnmcrop | cksum
pnmmargin -white 10 testgrid.pbm | \
  pnmcrop | cksum