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#! /bin/sh
# This script tests: pbmclean pbmlife pbmmask pbmminkowski pbmtoepsi
# This script tests: pbmtopsg3 pbmpscale pbmreduce pbmtopgm
# Also requires: pbmmake
# Tests whether output is unchanged when
# (1) input is a named file: pbm-command input-file
# (2) input is from stdin: pbm-command < input-file
tmpdir=${tmpdir:-/tmp}
out1=${tmpdir}/out1
out2=${tmpdir}/out2
out3=${tmpdir}/out3
out4=${tmpdir}/out4
small_pbm=${tmpdir}/small.pbm
pbmmake -b 3 3 > ${small_pbm}
for testprog in \
pbmclean \
pbmlife \
pbmmask \
pbmminkowski \
pbmtoepsi \
pbmtopsg3 \
"pbmpscale 1 " \
"pbmreduce -threshold 2 " \
"pbmtopgm 2 2 "
do
${testprog} ${small_pbm} > ${out1}; status1=$?
${testprog} < ${small_pbm} > ${out2}; status2=$?
test -s ${out1}; status3=$?
cmp -s ${out1} ${out2}
echo ${testprog}": "${status1} ${status2} ${status3} $?
rm ${out1} ${out2}
done
rm ${small_pbm}
# For Pbm converters not tested here see pbm-misc-converters.test
# These programs do not have a converter in the opposite direction:
# Brushtopbm
# Ddbugtopbm
# Thinkjettopbm (?)
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