initial

tmux/powerline/segments/lan_ip.sh

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+# Prints the local network IPv4 address for a statically defined NIC or search for an IPv4 address on all active NICs.
+
+run_segment() {
+	if shell_is_bsd || shell_is_osx ; then
+		all_nics=$(ifconfig 2>/dev/null | awk -F':' '/^[a-z]/ && !/^lo/ { print $1 }')
+		for nic in ${all_nics[@]}; do
+			ipv4s_on_nic=$(ifconfig ${nic} 2>/dev/null | awk '$1 == "inet" { print $2 }')
+			for lan_ip in ${ipv4s_on_nic[@]}; do
+				[[ -n "${lan_ip}" ]] && break
+			done
+			[[ -n "${lan_ip}" ]] && break
+		done
+	else
+		# Get the names of all attached NICs.
+		all_nics="$(ip addr show | cut -d ' ' -f2 | tr -d :)"
+		all_nics=(${all_nics[@]//lo/})	 # Remove lo interface.
+
+		for nic in "${all_nics[@]}"; do
+			# Parse IP address for the NIC.
+			lan_ip="$(ip addr show ${nic} | grep '\<inet\>' | tr -s ' ' | cut -d ' ' -f3)"
+			# Trim the CIDR suffix.
+			lan_ip="${lan_ip%/*}"
+			# Only display the last entry
+			lan_ip="$(echo "$lan_ip" | tail -1)"
+
+			[ -n "$lan_ip" ] && break
+		done
+	fi
+
+	echo "ⓛ ${lan_ip-N/a}"
+	return 0
+}