C / C++ / MFC

std::tifstream& operator >>(std::tifstream &stream, std::tstring &string)
{
    string.clear();

    TCHAR ch = 0;
    while (!stream.eof() && !stream.fail() && ch != _T('\n'))
    {
        if (0 != ch) string += ch;
        stream._Read_s(&ch, 1, 1);
    }

    return stream;
}

int _tmain(int argc, _TCHAR* argv[])
{
    std::tifstream f(argv[1]);
    std::tstring s;
    while (!f.fail() && !f.eof())
    {
        f >> s;
        std::tcout << s << std::endl;
    }

    return 0;
}

PJ Arends wrote:

you could use ifstream::getline although the shortfall of getline is that it requires a preallocated buffer.

// CommandLine.cpp : Defines the entry point for the console application.
//
 
#include "StdAfx.h"
#include <iostream>
#include <string>
 
int main()
{
	using namespace std;
 
	string line;
	if (getline(cin, line))
	{
		cout << "Line read was \"" << line << "\"" << endl;
	}
 
	return 0;
}

// CommandLine.cpp : Defines the entry point for the console application.
//
 
#include "StdAfx.h"
#include <iostream>
#include <string>
 
int main()
{
	using namespace std;
 
	string line;
	if (getline(cin, line))
	{
		cout << "Line read was \"" << line << "\"" << endl;
	}
 
	return 0;
}

// CommandLine.cpp : Defines the entry point for the console application.
//
 
#include "StdAfx.h"
#include <iostream>
#include <fstream>
#include <string>
 
int main()
{
	using namespace std;
 
	// Open the file.
	ifstream file("C:\\File.txt");
	if (!file)
	{
		cerr << "Failed to open input file!" << endl;
		return 1;
	}
 
	// Read in the file line by line.
	unsigned int count = 0;
	string line;
	while (getline(file, line))
	{
		// Output the line number and the line itself.
		cout << "Line " << ++count << ": " << line << endl;
	}
 
	return 0;
}

Software_Specialist wrote:

I dont know whats wrong in my pc. May be my OS is not allowing it to read the file.
Can you think of any problem related to this.

Software_Specialist wrote:

And yeh cn you also mention the command to hold the screen for output.