C++ File Programs Archives

C++ Program to Compare Paths of Two Files

Last Updated: 15 December 2022

As we are given two paths of two files, we have to compare these two paths and check whether they are equal or greater or smaller using a C++ program.Input:path1 = "/a/b/c...read more

How to Check a File or Directory Exists in C++?

Last Updated: 28 April 2025

Checking the presence of a directory or a file is one of the most common operations performed by a file system in an Operating System. Most programming languages offer som...read more

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C++ File Programs

Sort Numbers from File Using Unix Pipes in C

Last Updated: 30 January 2024

In this article, we will write a straightforward C program that sorts numerical data from a file using pipes and forks.The sorting process is carried out using the sort co...read more

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

Last Updated: 21 April 2024

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 Read File into String in C++?

Last Updated: 21 May 2024

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

How to Delete a File in C++?

Last Updated: 16 May 2024

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 Get File Extension in C++?

Last Updated: 16 May 2024

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 Can I Get a File Size in C++?

Last Updated: 28 May 2024

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

Difference Between .cc and .cpp File Extensions in C++

Last Updated: 29 May 2024

In C++, we use different file extensions to store our code. Two of the most common extensions are .cc and .cpp both store C++ codes. Although they both are used for the sa...read more

How to Get Current Directory in C++

Last Updated: 17 June 2024

The current working directory, also known as the present working directory, is the location on the file system where the executing program is located and operates from. Wh...read more

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

Last Updated: 17 June 2024

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 to Create a Dynamic Library in C?

Last Updated: 17 June 2024

In C, a dynamic library is a library that is loaded at runtime rather than compile time. We can create our own dynamic libraries and use them in our programs. In this arti...read more

cin.ignore() Function in C++

Last Updated: 22 August 2024

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

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

std::ifstream::is_open() in C++

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