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#! /bin/bash
# This script tests: pamtowinicon winicontopam
# Also requires: pnmcut pnmtile pamtopnm ppmtopgm pgmtopbm

  alias pamtowinicon="${PBM_TESTPREFIX}pamtowinicon"
  alias winicontopam="${PBM_TESTPREFIX}winicontopam"
  alias pamtopnm="${PBM_BINPREFIX}pamtopnm"
  alias pgmtopbm="${PBM_BINPREFIX}pgmtopbm"
  alias pnmcut="${PBM_BINPREFIX}pnmcut"
  alias pnmtile="${PBM_BINPREFIX}pnmtile"
  alias ppmtopgm="${PBM_BINPREFIX}ppmtopgm"
  shopt -s expand_aliases

pnmcut --left=30 --width=48 --height=48 testimg.ppm | \
pamtowinicon | winicontopam | \
  pamtopnm | cksum

pnmtile 32 32 testgrid.pbm | \
pamtowinicon | winicontopam | \
  pamtopnm | ppmtopgm | \
  pgmtopbm  -th -val=0.5 | cksum