Finished script to set wireless nic

.config/polybar/config

@@ -200,7 +200,7 @@ bar-volume-empty-foreground = ${colors.gray}
 
 [module/wifi]
 type = internal/network
-interface = wlo1
+interface = wlp2s0
 interval = 3.0
 
 format-connected = <label-connected>

.local/bin/polybar_scripts/set_wireless_nic

@@ -1,3 +1,7 @@
 #!/bin/zsh
 
-echo `lshw 2>/dev/null | grep -A 5 'description: Wireless interface' | tail -n 1 | awk '{print $3}'`
+nic=`lshw 2>/dev/null | grep -A 5 'description: Wireless interface' | tail -n 1 | awk '{print $3}'`
+
+sed -i "/wifi/{N;N;s/interface =.*/interface = $nic/;}" ~/.config/polybar/config
+
+echo "Set wireless nic to $nic"