read from playlist.log; avoid making the file empty

icecast-title-service/icecast-track-title-to-javascript.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/bash
+
+tail -1 /var/log/icecast2/playlist.log | cut -d \| -f 4 | perl -nle 'printf qq({ "title" : "%s" }\n), $_'