Cleanup and comments

jstat

@@ -4,18 +4,27 @@ xsetroot -name "Loading ..."
 
 while (true); do
     #set date: 04.03 15:22
+    timedate=$(date +"%m.%d %H:%M")
+
+    ## memory in use
     #mem=$(free -m | grep Mem | awk '{print $7}')
+
+    ## load average
     #loadavg=$(cat /proc/loadavg | awk '{print $1 " " $2 " " $3}')
-    #xsetroot -name "$mem | $loadavg | $timedate"
+
+    # check if mpd is playing
+    # if yes, output volume and song
     check_play=$(mpc status | grep "playing")
     if [ ! -z "$check_play" ]; then
-        play=$(mpc status | head -n 1)
+        play="$(mpc status | head -n 1) |"
         vol="[$(mpc vol | cut -c 8-)]"
     else 
+    #otherwise hide it
         vol=""
         play=""
     fi
-    timedate=$(date +"%m.%d %H:%M")
-    xsetroot -name "$vol $play | $timedate"
+
+    # final output to status bar
+    xsetroot -name "$vol $play $timedate"
     sleep 0.5;
 done