Auto Domain Expire Check

#!/bin/sh
_domains='/etc/domains'
sp8_chd()
{
while read line; do
echo $line >> /var/log/DomainExpire.log
whois $line | grep Expiry >> /var/log/DomainExpire.log
done < $_domains
}
sp8_chd
cat /var/log/DomainExpire.log | mail -s '[IMPORTANT] Domain Expire Reminder' rizky.md@gmail.com;
sleep 2;
echo > /var/log/DomainExpire.log