Script to download and format the https://github.com/StevenBlack hosts list for Unbound

single-blocklist.sh

#!/bin/bash

/usr/bin/curl -sSL https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts -o hosts1

cat hosts1 | awk '{ sub("\r$", ""); print }' | grep '^0\.0\.0\.0' | awk '{print $2}' | grep -v '^0\.0\.0\.0' > hosts1.clean

cat hosts1.clean \
| tr A-Z a-z \
| sort -u > hosts1.sort

comm -23 hosts1.sort ../unbound/whitelist.conf > clean

awk '{print "local-zone: \""$1"\" redirect\nlocal-data: \""$1" A 0.0.0.0\""}' clean > ../unbound/blocklist.conf

rm clean hosts*

docker restart unbound