1net_netfilter_dir=$(dirname "$(readlink -e "${BASH_SOURCE[0]}")") 2 3source "$net_netfilter_dir/../lib.sh" 4 5checktool (){ 6 if ! $1 > /dev/null 2>&1; then 7 echo "SKIP: Could not $2" 8 exit $ksft_skip 9 fi 10} 11