#!/bin/sh

wrk="tmp/chkqr.$$.wrk"; export wrk

find Ballot_Images_11.3.20 -type f |
sort | uniq >chkqr.fx

cat chkqr.fx |
while read fx
do
zbarimg --raw ${fx}[0] >${wrk} 2>x.err
[ ! "$?" = "0" ] && continue
[ -s ${wrk} ] && {
hd ${wrk} |
cut -c 11-34,36-58 |
tr "\n" " " |
tr -d " "
echo ""
}
done >chkqr.txt

i=1; export i
until [ "${i}" -gt "100" ]
do
<chkqr.txt cut -c 1-${i} | sort | uniq -c >chkqr.${i}.pos
i="$(( ${i} + 1 ))"
done
rm -f ${wrk}