n_tee.cpp

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#include <xstream/tee.h>

#include <iostream>
#include <fstream>


using namespace std;;
using namespace xstream;;


int main(int argc, char* argv[]){

   try{
      if(1<argc){
         tee::ostreambuf Tee;
         for(int i=1; i<argc;++i){
            ofstream* file = new ofstream(argv[i]);
            Tee.add(file->rdbuf());
         }

         ostream tee(&Tee);
         
         //raise exceptions
         tee.exceptions(ios::badbit);

         tee<<cin.rdbuf();
         tee.flush();
         
      }else{
         cerr<<argv[0]<<" file1 file2 ... filen"<<endl;
      }
   }
   catch(exception& e){
      cerr<<"Error: "<<e.what()<<endl;
   }

   return 0;
}