fstream fs( "file.dat", ios::in );

string  file; // saves the file

char    ch[81];

while (!fs.eof())

{

      fs.clear(ios::goodbit); // each time 'getline()' gets a line, you should call 'clear', if not, getline always gets NULL

      fs.getline(ch, 81);

      file += ch;

//    if (!fs.fail() && !fs.eof()) // indicates the end of a line

//         ;

}

fs.close();

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