cpp-file-handling

57 posts

Last Updated: 22 August 2024

The std::ifstream::is_open() function in C++ is a member function of the std::ifstream class, which is used to check if a file stream object has successfully opened a file...read more

cin.clear() function in C++

Last Updated: 22 August 2024

The cin.clear() function in C++ is a member function of the std::istream class, which is used to clear the error flags on the cin stream. When an input operation fails (fo...read more

cin.ignore() Function in C++

Last Updated: 04 May 2026

The cin.ignore() function in C++ is a member function of the std::istream. It is used to ignore (or discard) certain number of characters from the input buffer. This funct...read more

How to Read Binary Search Tree from File in C++?

Last Updated: 23 July 2025

A binary search tree is a hierarchical data structure in which for every node in the tree, the value of all nodes in the left subtree is less than the node's value and the...read more

How Can I Get a File Size in C++?

Last Updated: 11 February 2026

In C++, we often need to determine the size of a file which is the number of bytes in a file. This is done for various applications, such as file processing or validation....read more

How to Get File Extension in C++?

Last Updated: 23 July 2025

In C++, we may often find the need to extract the file extension from a given path of the file while working in many applications for processing or validating. In this art...read more

How to Delete a File in C++?

Last Updated: 23 July 2025

C++ file handling allows us to manipulate external files from our C++ program. We can create, remove, and update files using file handling. In this article, we will learn ...read more

How to Read File into String in C++?

Last Updated: 23 July 2025

In C++, file handling allows us to read and write data to an external file from our program. In this article, we will learn how to read a file into a string in C++.Reading...read more

What is the Efficient Way of Reading a Huge Text File?

Last Updated: 23 July 2025

In C++, reading a large text file efficiently requires a careful approach to ensure optimal performance in terms of memory usage and processing speed. In this article, we ...read more

How to Initialize Array With Values Read from a Text File in C++?

Last Updated: 23 July 2025

In C++, arrays store a fixed-size collection of elements of the same type. We can initialize these elements with any valid value. In this article, we will learn to initial...read more

Serialize and Deserialize an Object in C++

Last Updated: 02 April 2024

In C++, serialization is the process of converting an object into a sequence of bytes so that it can be stored in memory or transmitted across a network and deserializatio...read more

How to Read a File Character by Character in C++?

Last Updated: 23 July 2025

In C++, file handling is used to store data permanently in a computer. Using file handling we can store our data in secondary memory (Hard disk). In this article, we will ...read more

How to Read Data from a CSV File to a 2D Array in C++?

Last Updated: 23 July 2025

A comma-separated value file also known as a CSV file is a file format generally used to store tabular data in plain text format separated by commas. In this article, we w...read more

How to Read and Write Arrays to/from Files in C++?

Last Updated: 23 July 2025

In C++, an array is a collection of elements of the same type placed in contiguous memory locations. A file is a container in a computer system for storing information. In...read more

How to Open and Close a File in C++?

Last Updated: 23 July 2025

In C++, we can open a file to perform read and write operations and close it when we are done. This is done with the help of fstream objects that create a stream to the fi...read more

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