#! /bin/bash
# This script tests: pbmpscale
# Also requires: pamenlarge pbmtext

  alias pbmpscale="${PBM_TESTPREFIX}pbmpscale"
  alias pamenlarge="${PBM_BINPREFIX}pamenlarge"
  alias pbmtext="${PBM_BINPREFIX}pbmtext"
  shopt -s expand_aliases

pbmtext -nomargin "F" | pbmpscale 3 -plain 

for i in 2 3 4
do
pamenlarge 2 testgrid.pbm | \
  pbmpscale $i | cksum
done