cpp-file-handling

57 posts

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 fr ...read more

cpp-file-handling

C++

C++ Programs

C++ File Programs

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

Last Updated: 08 February 2024

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 ...read more

How to Read a File Using ifstream in C++?

Last Updated: 24 April 2025

In C++, we can read the contents of the file by using the ifstream object to that file. ifstream stands for input file stream which is a cla...read more

Similar Topics

DSA

22.3k+ articles

C++

4k+ articles

Strings

3.2k+ articles

C++ Programs

2.5k+ articles

C Language

1.8k+ articles

C Programs

800+ articles

CPP Examples

700+ articles

cpp-input-output

68+ articles

C-File Handling

48+ articles

C++ File Programs

22+ articles

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

Last Updated: 05 February 2024

In C++, we can read the data of the file for different purposes such as processing text-based data, configuration files, or log files. In th...read more

C++ Program to Get the List of Files in a Directory

Last Updated: 06 February 2023

Getting the list of files in a directory is one of the most common operations performed by the Filesystem of an OS. The file explorer applic...read more

Technical Scripter 2022

Opening Modes in Standard I/O in C/C++ with Examples

Last Updated: 01 February 2023

Pre-requisites: File Handling in C++So far the operations using the C program are done on a prompt/terminal that is not stored anywhere. But ...read more

Sorting strings from the text file

Last Updated: 08 April 2023

Given a text file "file.txt" that consists of strings, the task is to sort all the strings in alphabetical order in that text file.Approach:...read more

Read a record from a File in C++ using seekg() and tellg()

Last Updated: 16 December 2022

Given that a binary file "student.data" is already loaded in the memory of the computer with the record of 100 students, the task is to read...read more

cpp-file-handling

C++ Programs

Program to delete a line given the line number from a file

Last Updated: 20 February 2018

Given a file and a line number n, the task is to delete nth line from the given text file.Suppose the initial content of myfile.txt is :Gee ...read more

cpp-file-handling

C++

C++ Programs

C++ program to append content of one text file to another

Last Updated: 23 November 2022

Given source and destination text files. Append the content from the source file to the destination file and then display the content of the ...read more

Last Updated: 21 September 2023

The rename() function is used to rename a file in C. It changes the name of the file from old_name to new_name without modifying the content...read more

C program to compare two files and report mismatches

Last Updated: 17 May 2017

We are given almost two identical files. But some characters are corrupted. We need to find the line number and their position where those c ...read more

cpp-file-handling

C Language

Four File Handling Hacks which every C/C++ Programmer should know

Last Updated: 15 March 2023

We will discuss about four file hacks listed as below-Rename - Rename a file using C/C++Remove – Remove a file using C/C++File Size - Get ...read more

cpp-file-handling

C Language

C++

Implement your own tail (Read last n lines of a huge file)

Last Updated: 29 May 2017

Given a huge file having dynamic data, write a program to read last n lines from the file at any point without reading the entire file. The ...read more

cpp-file-handling

C Language

C++

fopen() for an existing file in write mode

Last Updated: 14 June 2022

In C, fopen() is used to open a file in different modes. To open a file in write mode, "w" is specified. When mode "w" is specified, it crea ...read more

1 2 3 4 >>

1 2 3 4 >>

1 2 3 4 >>