m_file = file; m_interval = interval; m_numLines = numLines;  m_reader = new BufferedReader(new FileReader(m_file));
this(new File(filename), interval, numLines);
	public TextFileWatcher(File file, int interval, int numLines) 		throws FileNotFoundException	{		m_file = file;		m_interval = interval;		m_numLines = numLines;        		m_reader = new BufferedReader(new FileReader(m_file));	}