C Program to create a File & write Data in it1 min read

This is a file tutorial where we will write a C program to create a file and write into it. Before that, you may go through the following C topics.

Explanation: The program is based on the file system in C. The program opens the file system in writing mode, hence the “w”. If the file is not present with the name provided then the program will create a file on the same directory.

The program will check if the file is Null or not. If not then, it will ask the user to enter data which later will be inserted into the file. Let us go through the program.

Program to write into a file in C


write a file in C

After successful execution of the program, a file named “test.txt” will be created (if not already created) in the same directory where you have stored the source code file. Open that file and you will see the data that you wrote on the program will be present there in the following way.

This is simple2code.com


Java Program to find the sum of the Largest Forward Diagonal

in this tutorial, we will write a java program to find the sum of the Largest Forward Diagonal in an Arraylist (matrix). Java Program to …

C Program to search an element in an array using Pointers

A separate function( search_function()) will be created where the array pointer will be declared and the searched element along with the size of an array …

C Program to find the sum of the digits of a number using recursion function

This C program calculates the sum of digits of a given number using recursion. Here’s a concise explanation: Function Definition: sumDigits(int n) This function calculates …

C program to find factorial of a numberĀ using Ternary operator with Recursion

Recursion refers to the function calling itself directly or in a cycle. Before we begin, you should have the knowledge of following in C Programming: …

C Program to Add Two Numbers Using Call by Reference

The program takes the two numbers from the user and passes the reference to the function where the sum is calculated. You may go through …

Find the output ab, cd, ef, g for the input a,b,c,d,e,f,g in Javascript and Python

In this tutorial, we will write a program to find a pairs of elements from an array such that for the input [a,b,c,d,e,f,g] we will …