Update StopForumSpam Blocked IPs

update.sh

#!/bin/bash
#
# Pull updated IPs from StopForumSpam from 
# https://www.stopforumspam.com/downloads. Note that different files have 
# different download limits. Generally you can download the last day hourly and
# everything else you are limited to twice daily.
#
# URL: https://github.com/waynegraham/UpdateBlockedIPs
# Author: Wayne Graham
# License: MIT
# Version: 1.0.0

set -euo pipefail

LOGGING=0
CUR_PATH=$(dirname $0)
FILE=listed_ip_30_ipv46.gz
TIMESTAMP=`date +%Y-%m-%d_%H-%M-%S`

time_stamp() {
    echo $TIMESTAMP
}

printf "%s Downloading backlist from stopformspam.com..." "$(time_stamp)"
cd $CUR_PATH
wget -qN https://www.stopforumspam.com/downloads/$FILE

if ! [ -f listed_ip_30_ipv46.gz ]; then
    printf "\n%s Can't download file!" "$(time_stamp)"
    exit 1
else
    gunzip -f $FILE
    printf "\n%s Done" "$(time_stamp)"
fi