Question: Design a program that can encrypt and decrypt a text file using a simple encryption algorithm. The user should be able to provide a key for encryption, and the program should output the encrypted text to a new file. Another option should al...
Here are 10 C programming exercises that involve file handling: Word Count: Read a text file and count the number of words in it. Character Frequency: Read a text file and count the frequency of each character. Output the results to another file...
Below is a simple example of a C program that opens two files for reading, concatenates their contents, and writes the result to a third file. #include <stdio.h> #include <stdlib.h> int main() { // File pointers for input and output files FI...
Below is a simple C program that uses an array of structs to input details about students and then writes the structures to a file as a database. The program assumes that each student has a name, roll number, and marks. Certainly! If you want to writ...