Add eww/sh/values/brightness.sh

eww/sh/values/brightness.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+b=$(xbacklight -get);
+
+if [[ $b -le 1 ]]; then
+    b=0;
+    s="empty";
+else
+    s="low";
+    if [[ $b -gt 35 ]]; then
+    s="med";    fi
+    if [[ $b -gt 50 ]]; then
+    s="high";   fi
+    if [[ $b -gt 80 ]]; then
+    s="vhigh";  fi
+    if [[ $b -eq 100 ]]; then
+    s="full";   fi
+fi
+
+echo "{\"level\":\"$b\",\"status\":\"$s\",\"icon\":\"\"}"