#! /bin/bash
# This script tests: pnmtopnm
# Also requires: pgmtopgm ppmtoppm pamtopnm

  alias pnmtopnm="${PBM_TESTPREFIX}pnmtopnm"
  alias pgmtopgm="${PBM_BINPREFIX}pgmtopgm"
  alias ppmtoppm="${PBM_BINPREFIX}ppmtoppm"
  shopt -s expand_aliases

pnmtopnm -plain testgrid.pbm

pgmtopgm < testgrid.pbm | pnmtopnm -plain

ppmtoppm < testgrid.pbm | pnmtopnm -plain | \
  head -n11