Thread: show output from file

How do I show an output from a file automatically?
Some outputs can be 1000's of lines long that can exceed the screen's limit only showing part of the output. I can output the results to a file but is there a solution for the program to open the output file automatically? I was suggested using 'system()' from 'stdlib.h' but I don't know how? any suggestions or help?

here's a sample code: (the commented lines are the implements)

#include<iostream.h>
#include<fstream.h>
// #include<stdlib.h>

void main()
{
ofstream OutFile ("C:/output.txt")
for ( int i = 0; i < 100; i++ ) { OutFile << i << endl; }
// system() //what parameter(s) do I use for this function or is there a better method?
}

The solution is to read the file line by line, printing out each line, and pausing after 50-100 lines, whatever pleases you

Code:

#include <iostream>
#include <fstream>

using namespace std;

int main()
{

	int lines=0;
	ifstream input;
	char line[255];
	input.open("filename");
	if(input.fail() )
	{
		cout << "error with file";
		return 0;
	}
	do
	{
		input.getline(line,254,'\n');
		lines++;
		cout << line << endl;
		if( lines % 50 == 0 ) // change this to display more or less lines before pausing
		{
			cout << "Press ENTER to continue " << endl;
			cin.ignore(100,'\n'); 
			//wait for the user to press enter
			//the 100 is incase they enter junk chars before they press enter
		}
	}
	while( ! input.eof() );
	return 0;
}