Appending into a File in C Programming

#1 Code Example with C Programming

Code - C Programming

#include <stdio.h>

int main() {
    FILE *file_ptr = fopen("append_file.txt", "a");

    if (file_ptr == NULL) {
        printf("File could not be opened!\n");
        return 1; // Exit the program
    }

    // Data to append to the file
    char data_to_append[] = "This data is appended to the file.\n";

    // Append data to the file using fputs
    fputs(data_to_append, file_ptr);

    // Close the file
    fclose(file_ptr);

    printf("Data has been appended to the file successfully!\n");

    return 0;
}

Output