trim() {
	trimmed=$*
	trimmed=${trimmed%% }
	trimmed=${trimmed## }
	echo "$trimmed"
}

getDefaultIP() {
	local routedev=$(ip -o -4 route show default)
	routedev=${routedev##* dev }
	routedev=${routedev%% *}
	
	if [[ -z "$routedev" ]]
	then
		echo ""
		return 1
	else
		local defipaddr=$(ip -o -4 addr show "${routedev}")
		defipaddr=${defipaddr##* inet }
		defipaddr=${defipaddr%% *}
		local mask=${defipaddr#*/}
		local ip=${defipaddr%/*}

		echo "${ip}"
	fi

	#echo "$routedev"
	#echo "${ip}/${mask}"
}