I see that digits is between 10 and 19: DIGITS=$((10 + $RANDOM % 10)) If it was always an even number, I would have expected some checksum files to be matc

I see that digits is between 10 and 19: DIGITS=$((10 + $RANDOM % 10)) If it was always an even number, I would have expected some checksum files to be matched (16 for md5sum, 20 for sha1sum, etc).