718a.cpp

C++实训教程

//718a.CPP  demo ofstream
#include <iostream.h>
#include <fstream.h>
main(void)
{
  char *p="Hi! This is 718a.CPP\n";
  ofstream out("718a.bak");
  if(!out)
  {  cout << "Cannot open file";    return 1;  }
  out.put(*p);
  cout<<p<<"End of 718a.CPP\n";
  while(*p){ out.put(*p++); }
  out.close( );
  return 0;
}
/*Output on screen while runing:
Hi! This is 718a.CPP
End of 718a.CPP
*/
/*and the file 718a.bak's content:  ???
HHi! This is 718a.CPP
*/