From 94b84430683a47a379da0554d38447167caf8bd0 Mon Sep 17 00:00:00 2001
From: Eddy Pedroni <epedroni@pm.me>
Date: Mon, 22 Jan 2024 07:28:23 +0100
Subject: Status bar support for multiple dynamic ETH interfaces

---
 dwm-statusbar | 25 ++++++++++---------------
 1 file changed, 10 insertions(+), 15 deletions(-)

diff --git a/dwm-statusbar b/dwm-statusbar
index 6ebd11c..383cd75 100755
--- a/dwm-statusbar
+++ b/dwm-statusbar
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/zsh
 #
 # Status bar for dwm. Adapted from:
 # https://github.com/w0ng/bin/blob/master/dwm-statusbar
@@ -19,7 +19,6 @@ space="  "
 refresh="5"
 
 # Name of the network adapters, like enp3s0
-eth_adapter=""
 wlan_adapter="wlp1s0"
 
 print_date() {
@@ -40,7 +39,7 @@ print_volume() {
   volume=$(amixer get Master -M | tail -n1 | sed -r 's/.*\[(.*)%\].*/\1/')
   mute="$(amixer get Master | tail -n1 | sed -r 's/.*\[(on|off)\].*/\1/')"
   
-  if [ "$mute" == "off" ]; then
+  if [[ "$mute" == "off" ]]; then
     vol_colour=$colour_warning
     icon_colour=$colour_warning
     icon="\uE022"
@@ -215,24 +214,20 @@ print_cpu_used() {
 
 # Configure the adapter to display above
 print_eth() {
-  eth_status=$(ip addr show dev ${eth_adapter} | awk 'NR==1 {print $9}')
+  icon_colour=${colour_neutral}
+  eth_colour=${colour_normal}
+  ips=($(ip -oneline addr show up | awk 'match($0, /.+enp.*inet ([0-9.]+)\/.*/, cap) {print cap[1]}'))
   
-  if [ "$eth_status" == "UP" ]; then
-    eth_ip=$(ip addr show dev ${eth_adapter} | awk 'NR==3 {print $2}' | sed -r 's/\/.*//')
-    icon_colour=${colour_neutral}
-    eth_colour=${colour_normal}
-  else
-    icon_colour=${colour_faded}
-  fi
-
-  echo -ne "${icon_colour}\uE0E4${eth_colour}${eth_ip}"
+  for eth_ip in $ips; do
+    echo -ne "${space}${icon_colour}\uE0E4${eth_colour}${eth_ip}"
+  done
 }
 
 # Configure the adapter to display above, strength might need to be tweaked
 print_wlan() {
   wlan_status=$(ip addr show dev ${wlan_adapter} | awk 'NR==1 {print $9}')
   
-  if [ "$wlan_status" == "UP" ]; then
+  if [[ "$wlan_status" == "UP" ]]; then
     wlan_ip=$(ip addr show dev ${wlan_adapter} | awk 'NR==3 {print $2}' | sed -r 's/\/.*//')
     
     let wlan_strength="10 * $(cat /proc/net/wireless | awk 'NR==3 {print substr($3, 1, 2)}') / 7"
@@ -265,7 +260,7 @@ while true; do
 
   # Pipe to status bar
   # This is where you can adjust what gets shown by adding the desired function calls
-  xsetroot -name "$(print_wlan)${space}$(print_root_free)${space}$(print_home_free)${space}$(print_cpu_used)${space}$(print_cpu_temp)${space}$(print_mem_free)${space}$(print_battery)${space}$(print_backlight)${space}$(print_volume)${space}$(print_time)$(print_date)"
+  xsetroot -name "$(print_eth)${space}$(print_wlan)${space}$(print_root_free)${space}$(print_home_free)${space}$(print_cpu_used)${space}$(print_cpu_temp)${space}$(print_mem_free)${space}$(print_battery)${space}$(print_backlight)${space}$(print_volume)${space}$(print_time)$(print_date)"
 
   # reset old rate
   cpu_idle_old=$cpu_idle_now
-- 
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