Copy gfwlist2domainlist.awk, domainlist2dnsmasq.awk,
and gfwlist2dnsmasq.sh to directory /usr/local/bin/,
add gfwlist2dnsmasq.sh to /etc/crontab to let it run at 2:30 every day:
30 2 * * * root /usr/local/bin/gfwlist2dnsmasq.sh > /dev/null 2>&1
user_rule.txt example:
# comment line
! comment line as well
example.net