#include <iostream>
#include <fstream>
#include <string>
using namespace std;

int main()
{
	
	ifstream inputFile;
	string line;
	string input;

	cout << "Enter a file name to scan" << endl;
	cin >> input;

	cout << endl;
	cout << "Your file was: " << input << endl;
	
	try {
		inputFile.open(input.data(), ios::in);
	}
	catch (...) {
		cout << "File open error" << endl;
	}

	if ( !inputFile.is_open() ) {
		return -1;
	}

	while (! inputFile.eof() )
    {
      getline(inputFile, line, ' ');
	  cout << "__________ " << line << endl;
    }

	inputFile.close();

	
	cin >> input; // Just used to keep the console open in Visual C++
	return 0;
}

Use to get console input from the user for a file name (in the current directory) and read in from that file.

Filename input and reading

c

C++