Email harvest on Premiumforfree.com

#!/bin/bash

for ((i=$1;i<=$2;i++))
do 
email=`wget -q http://premiumforfree.com/index.php?referral=$i -O - | grep 'You are being referred by' | awk -F '&lt;B&gt;' '{print $2}' | sed -e :a -e 's/<[^>]*>//g;/<;/N;//ba'`
 echo $i.$email
 echo $email >> email.txt
done