Old comments removed:
#!/bin/sh# load encap.txt into ipipfilter list PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" cd /var/lib/ampr-ripd || exit 1 nft flush set inet fw4 ipipfilter nft add element inet fw4 ipipfilter { 169.228.34.84 } grep addprivate encap.txt | sed -e 's/.*encap //' | sort -u | while read ipdo nft add element inet fw4 ipipfilter { $ip }done