File Stream Objects as Function Arguments : fstream « File « C++

1. C++
2. File
3. fstream

File Stream Objects as Function Arguments

  
#include <fstream>
#include <iostream>
#include <string>
using namespace std;
bool writeFile (ofstream&, char*);
bool readFile (ifstream&, char*);

int main ()
{
   string data;
   bool status;
   ofstream outfile;
   status = writeFile(outfile, "students.dat");
   if (!status)
   {
      cout << "File could not be opened for writing\n";
      cout << "Program terminating\n";
      return 0;
   }
   else
   {
      cout << "Writing to the file" << endl;
      cout << "Enter class name: "; 
      getline(cin, data); 
      outfile << data<< endl;
      cout << "Enter number of students: "; 
      cin >> data;
      cin.ignore();
      outfile << data<< endl;
      outfile.close();
   }
   ifstream infile;
   status = readFile(infile, "students.dat");
   if (!status)
   {
      cout << "File could not be opened for reading\n";
      cout << "Program terminating\n";
      return 0;
   }
   else
   {
      cout << "Reading from the file" << endl; 
      getline(infile, data);
      while(!infile.fail())
      {
         cout << data << endl; 
         getline(infile, data);
      }
      infile.close();
   }
   return 0;
}

bool writeFile (ofstream& file, char* strFile)
{
   file.open(strFile);
   if (file.fail())
         return false;
   else
         return true;
}

bool readFile (ifstream& ifile, char* strFile)
{
   ifile.open(strFile);
   if (ifile.fail())
         return false;
   else
         return true;
}
  
    
  

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