PHPMailer patcher through whole /home folder

#!/bin/bash

mkdir /root/phpmailer
wget https://raw.githubusercontent.com/PHPMailer/PHPMailer/master/class.phpmailer.php -O /root/phpmailer/class.phpmailer.php
wget https://raw.githubusercontent.com/PHPMailer/PHPMailer/master/class.smtp.php -O /root/phpmailer/class.smtp.php

grep -rl --include \class.phpmailer.php --include \class-phpmailer.php 'Brent' /home > /root/phpmailer/list-class.phpmailer.txt
grep -rl --include \class.smtp.php --include \class-smtp.php 'Brent' /home > /root/phpmailer/list-class.smtp.txt

for i in `cat /root/phpmailer/list-class.phpmailer.txt`; do cp -ar $i $i.bak; cp /root/phpmailer/class.phpmailer.php $i; done
for i in `cat /root/phpmailer/list-class.smtp.txt`; do cp -ar $i $i.bak; cp /root/phpmailer/class.smtp.php $i; done