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#! /bin/bash
# This script tests: giftopnm pamtogif pnmquant
# Also requires: pnmcolormap pnmremap
alias giftopnm="${PBM_TESTPREFIX}giftopnm"
alias pamtogif="${PBM_TESTPREFIX}pamtogif"
alias pnmquant="${PBM_TESTPREFIX}pnmquant"
shopt -s expand_aliases
# Should print 0
colors=15 # any value between 2 - 256 works
tmpdir=${tmpdir:-/tmp}
quant_ppm=${tmpdir}/quant.ppm
pnmquant ${colors} testimg.ppm > ${quant_ppm} &&
pamtogif ${quant_ppm} | giftopnm | \
cmp -s - ${quant_ppm} > /dev/null
echo $?
rm ${quant_ppm}
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