readbookcode.sh

#!/usr/bin/env bash
#author       :ormux
#date         :2019/08/31 (August 31)
#description  :reads bookcode based on a given text, originally by clevcode
#title        :readbookcode.sh
#usage        :bash readbookcode.sh

read -p "bookcode filepath: " code
read -p "source filepath: " text

while read line; do
  row=$(echo $line | cut -d\: -f1)
  col=$(echo $line | cut -d\: -f2)
  head -n$row $text | tail -n1 | head -c$col | tail -c1
done < $code
echo