#! /bin/bash
# This script tests: pbmtoatk atktopbm
# Also requires: 

  alias atktopbm="${PBM_TESTPREFIX}atktopbm"
  alias pbmtoatk="${PBM_TESTPREFIX}pbmtoatk"
  shopt -s expand_aliases

# Should print 2425386270 41, cksum of testgrid.pbm
pbmtoatk testgrid.pbm | atktopbm | cksum