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#! /bin/bash
# This script tests: pamslice
# Also requires: pnmtopnm
# Slice rows, one by one, out of testgrid.pbm.
# Add header and reconstruct pbm image.
# Note that in pamslice output 0 is white and 1 is black: opposite of PBM
# Should print 2425386270 41
(echo "P1"
echo "14 16"
seq 0 15 | while read i;
do
${PBM_TESTPREFIX}pamslice -row=$i testgrid.pbm | \
awk '{print $2}' | sed 'y/01/10/';
done ) | ${PBM_BINPREFIX}pnmtopnm | cksum
# Slice rows, one by one, out of testimg.ppm.
# Add header and reconstruct pbm image.
# Should print 1926073387 101484
(echo "P3"
echo "227 149"
echo "255"
seq 0 148 | while read i;
do
${PBM_TESTPREFIX}pamslice -row=$i testimg.ppm | awk '{print $2, $3, $4}';
done ) | ${PBM_BINPREFIX}pnmtopnm | cksum
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