added set brightness by number

README.MD

@@ -28,6 +28,9 @@ or
 it can also be run without any arguments to receive a i3bar compatible json string
 
 Personally, I have these bound to key combinations in i3. In fact, I have a seperate `bindsym` mode in which all these tools are accessible i.e. `$mod+i` to get to "info" mode then `p` to show pingclock.  
+  
+You can also set the volume and brightness levels by typing a numeric figure into the dmenu/rofi input box  
+
 There's also an i3bar_tools_threaded folder with tools for use with i3bar/i3blocks which continously update. Currently these are not working as I recently switched from this as primary, to a secondary choice.  
 
 These have some configuration variables explicit to me, you'll need to change them for you for them to be useful I imagine.  

brightness.nim

@@ -44,6 +44,7 @@ proc get_brightness*(run_once: bool = false) =
       data.selected_color = black
       let args = @["up", "down"]
       let option = outputJSON(data,args)
+      if option in args:
         case option:
           of "up":
             discard execCmd("xbacklight -inc 5")
@@ -51,6 +52,13 @@ proc get_brightness*(run_once: bool = false) =
           of "down":
             discard execCmd("xbacklight -dec 5")
             get_brightness(true)
+      else:
+        try:
+          let i = parseInt(option)
+          discard execCmd("xbacklight -set " & $i)
+          get_brightness(true)
+        except:
+          echo getCurrentExceptionMsg()
 
       if run_once:
         break