linux nginx访问限制ip 脚本

for ((i=1;i<=10;i++));
do 
list_num = $(sed -n $i'p' /tmp/ip.txt |awk '{print $1}')
list_ip = $(sed -n $i'p' /tmp/ip.txt |awk '{print $2}')
if [ $list_num -gt 1000 ];then
echo deny $list_ip';' >> /test/nginx_deny_ip.conf
fi
done
nginx -s reload