#!/bin/bash
echo "0x4e46436b|0x6669746f|0x74616369|0x416e6f69|0x624f796e|0x7463656a" | \
perl -pe 's/0x([\da-f]{2})([\da-f]{2})([\da-f]{2})([\da-f]{2})/0x$4$3$2$1/g'
IyEvYmluL2Jhc2gKIGVjaG8gIjB4NGU0NjQzNmJ8MHg2NjY5NzQ2ZnwweDc0NjE2MzY5fDB4NDE2ZTZmNjl8MHg2MjRmNzk2ZXwweDc0NjM2NTZhIiB8IFwKICBwZXJsIC1wZSAncy8weChbXGRhLWZdezJ9KShbXGRhLWZdezJ9KShbXGRhLWZdezJ9KShbXGRhLWZdezJ9KS8weCQ0JDMkMiQxL2cn