Top "Fstream" questions

How to use fstream objects with relative path?

Do I always have to specify absolute path for objects instantiated from std::fstream class? In other words, is there …

c++ fstream relative-path

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

I've got a fstream my_file("test.txt"), but I don't know if test.txt exists. In case it exists, …

c++ linux file fstream exists

How do I read a text file from the second line using fstream?

How can I make my std::fstream object start reading a text file from the second line?

c++ fstream

C++ Filehandling: Difference between ios::app and ios::ate?

What's the difference between ios::ate and ios:app when writing to a file. In my view, ios::app gives …

c++ file fstream c++-standard-library

mmap() vs. reading blocks

I'm working on a program that will be processing files that could potentially be 100GB or more in size. The …

c++ file-io fstream mmap

attempting to reference a deleted function

I'm trying to learn about the fstream class and I'm having some trouble. I created a couple of txt files, …

c++ string function fstream ifstream

std::ofstream, check if file exists before writing

I am implementing file saving functionality within a Qt application using C++. I am looking for a way to check …

c++ stream std fstream ofstream

using fstream to read every character including spaces and newline

I wanted to use fstream to read a txt file. I am using inFile >> characterToConvert, but the problem …

c++ newline spaces fstream

fstream seekg(), seekp(), and write()

I'm looking for some clarification on how seekg() and seekp() works with respect to when you are writing to a …

c++ file-io fstream seekg

Best way to split a vector into two smaller arrays?

What I'm trying to do: I am trying to split a vector into two separate arrays. The current int vector …

c++ split fstream stdvector