Script for handling backlight

arch-config/scripts/dunst-backlight.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# You can call this script like this:
+# $./dunst-backlight.sh up
+# $./dunst-backlight.sh down
+
+get_light() {
+    xbacklight -get
+}
+
+send_notification() {
+    light=$(get_light)
+    # Make the bar with the special character ─ (it's not dash -)
+    # https://en.wikipedia.org/wiki/Box-drawing_character
+    bar=$(seq -s "─" $(($light/ 5)) | sed 's/[0-9]//g')
+    # Send the notification
+    dunstify -i whitebalance -r 2489 "    $bar"
+}
+
+case $1 in
+    up)
+    # Increase backlight
+    xbacklight -inc 10
+    send_notification
+	;;
+    down)
+    # Decrease backlight
+    xbacklight -dec 10
+    send_notification
+	;;
+esac