How to check if a file exists and is readable in C++?

Question

I\'ve got a fstream my_file(\"test.txt\"), but I don\'t know if test.txt exists. In case it exists, I would like to know if I can read it, too. How to do that?

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Answer 1

Concerning the use of fstat in windows, I am not sure if it is what you want. From Microsoft the file must be already open. Stat should work for you.