#!/bin/bash EXPECTED="table inet filter { map ipmap { type ipv4_addr : ipv4_addr } }" set -e $NFT -f - <<< "$EXPECTED" $NFT flush map inet filter ipmap GET="$($NFT list map inet filter ipmap)" if [ "$EXPECTED" != "$GET" ] ; then DIFF="$(which diff)" [ -x $DIFF ] && $DIFF -u <(echo "$EXPECTED") <(echo "$GET") exit 1 fi