text: #include "InputFileOperator.h"
  #include "OutputHandler.h"
  
  class TeeOperator : public clu::InputFileOperator 
  {
  public:
  	TeeOperator(clu::InputFileOperator* listener, const std::string& filename);
  	virtual bool OnStart();
  	virtual bool OnLineRead(std::string& line);
  	virtual void OnEnd();
  private:
  	clu::InputFileOperator* m_Listener;
  	OutputHandler* m_InnerOutputHandler;
  };
  
  