def read_m3u(self, plsname):
        """
        This is the (m3u) playlist reading function.

        Arguments: plsname  - the playlist filename
        Returns:   The list of interesting lines in the playlist
        """
        try:
            lines = util.readfile(plsname)
        except IOError:
            print 'Cannot open file "%s"' % plsname
            return 0

        try:
            playlist_lines_dos = map(lambda l: l.strip(), lines)
            playlist_lines     = filter(lambda l: l[0] != '#', playlist_lines_dos)
        except IndexError:
            print 'Bad m3u playlist file "%s"' % plsname
            return 0

        (curdir, playlistname) = os.path.split(plsname)
        for line in playlist_lines:
            if '\0' in line:
                print 'WARNING m3u file contains NULL byte character(s), lines skipped' + line
                return 1
            if line.endswith('\r\n'):
                line = line.replace('\\', '/') # Fix MSDOS slashes
            if os.path.exists(os.path.join(curdir,line)):
		self.playlist.append(os.path.join(curdir,line))