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

Home
C++
1.Bitset
2.Class
3.Console
4.Data Structure
5.Data Type
6.Deque
7.Development
8.File
9.Function
10.Generic
11.Language
12.List
13.Map Multimap
14.Overload
15.Pointer
16.Qt
17.Queue Stack
18.Set Multiset
19.STL Algorithms Binary search
20.STL Algorithms Heap
21.STL Algorithms Helper
22.STL Algorithms Iterator
23.STL Algorithms Merge
24.STL Algorithms Min Max
25.STL Algorithms Modifying sequence operations
26.STL Algorithms Non modifying sequence operations
27.STL Algorithms Sorting
28.STL Basics
29.String
30.Valarray
31.Vector
C / ANSI-C
C Tutorial
C++ Tutorial
Visual C++ .NET
C++ » File » fstreamScreenshots 
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;
}
  
    
  
Related examples in the same category
1.fstream seekp: Seek file pointer position
2.Reverse file content
3.Demonstrate File random access.
4.To read or write to a file, you include
5.Reverses the first N characters within a file
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.