#!/usr/bin/env bash
ip a | awk ' !/[0-9]+\: lo/ && /^[0-9]\:/ || /inet / && !/127\.0\.0\.1/ {print $2}' | perl -i -pe "s/:\n/: /g;" -pe "s/\/[\d]+$//"
#ip route get 8.8.8.8 | head -1 | awk '{print $7}'