Fixed mpd module to disappear when not active

bar.sh

@@ -46,7 +46,9 @@ run_module()
 		out="$($DEFAULT_MODULES_DIR$1)"
 	fi
 
-	if [[ ! "$out" = "" ]]; then
+	if [[ "$out" = " " ]]; then
+		echo " " > "$OUTPUT_CACHE$module"
+	elif [[ ! "$out" = "" ]]; then
 		out="$out$SEPARATOR."
 		echo "$out" > "$OUTPUT_CACHE$module"
 	fi

modules/mpd

@@ -1,13 +1,14 @@
 #!/bin/bash
 
-PREFIX_PLAY=' '
-PREFIX_PAUSE=' '
+PREFIX_PLAY=' '
+PREFIX_PAUSE=' '
 
 get_mpd()
 {
 	current_song="$(mpc current)"
 
 	if [[ "$current_song" = "" ]]; then
+		echo " "
 		exit 0
 	else
 		playpause=$(mpc | awk '/\[.*]/{split($0, a, " "); print a[1]}')