Question

How to use fprintf() to write formatted data to a text file in C

Answer 1

#include <stdio.h>   
#include <stdlib.h>  
  
int main(void)
{
    int flag = EXIT_SUCCESS;
 
    char *path = "d:\\data.txt";
 
    FILE *fp = fopen(path, "w");
     
    if (!fp) 
    {
        perror(path);
        return EXIT_FAILURE;
    }
 
    fprintf(fp, "Name: %s\nAge: %d\nProfession: %s\n", "Ajax", 27, "Programmer");
 
    if (fclose(fp)) 
    {
        perror(path);
        return EXIT_FAILURE;
    }
     
    return flag;
}
    
/*
run:
 
data.txt
--------
Name: Ajax
Age: 27
Profession: Programmer

  
*/

 

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