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How to check if ifstream open function fail in C++

1 Answer

0 votes
#include <iostream>
#include <fstream>

using std::cout;
using std::endl;
using std::ifstream;

int main()
{
	ifstream ifs("d:\\data---txt");

	ifs.open("d:\\data.txt");
	cout << "ifs.fail() = " << ifs.fail() << endl;

	ifs.close();

	return 0;
}


/*
run:

ifs.fail() = 0

*/

 




answered Jul 3 by avibootz
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