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#!/bin/sh
# This is slow, but it’s fun! That’s what counts!
while IFS='[]' read -r line cksum; do
sid=`echo $line | grep -o '[0-9]*'`
echo $line \
| tr -d -- '-0-9\n' \
| sed 's/./&\n/g' \
| sort \
| uniq -c \
| sort -k1nr \
| head -n5 \
| awk "{ s = s \$2 } END { if (s == \"$cksum\") print $sid }"
done <input | awk '{ s += $0 } END { print s }'
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