Question

How read a text file word by word in C++

Answer 1

#include <iostream>
#include <fstream> 
#include <string> 

using std::cout;
using std::endl;
using std::string;

int main(void)
{
	static const char *fileName = "d:\\data.txt";

	std::ifstream ifs(fileName);

	if (ifs.is_open()) {
		while (ifs.good()) {
			string word;
			ifs >> word;
			cout << word << endl;
		}
	}
	else  {
		std::cerr << "Error open the file" << endl;
		return EXIT_FAILURE;
	}

	return EXIT_SUCCESS;
}

/*
run:

c
c++
c#
java
c++
php
python
c++

*/

 

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