#! /bin/bash
# This script tests: pbmtomgr mgrtopbm
# Also requires: 

  alias mgrtopbm="${PBM_TESTPREFIX}mgrtopbm"
  alias pbmtomgr="${PBM_TESTPREFIX}pbmtomgr"
  shopt -s expand_aliases

# Should print 2425386270 41, cksum of testgrid.pbm
pbmtomgr testgrid.pbm | mgrtopbm | cksum