A file named data contains series of integer no. Write a c program to read that no. and then write all odd no into file named odd no. and write all even no into file named even no. Display all the contents of these file on screen.

Introduction

Code

Practical-24.c
#include <stdio.h>
#include <stdlib.h>

void main()
{
  int even;
  int odd;
  int num;
  FILE *data;
  data = fopen("Practical-24-Data", "r");
  if (data == NULL)
  {
    printf("Error!");
    exit(1);
  }
  FILE *ptrodd = fopen("24-odd.txt", "w+");
  FILE *ptreven = fopen("24-even.txt", "w+");
  while (fscanf(data, "%d", &num) > 0)
  {
    if (num % 2 == 0)
      fprintf(ptreven, "%d\n", num);
    else
      fprintf(ptrodd, "%d\n", num);
  }
  fclose(ptrodd);
  fclose(ptreven);
  ptreven = fopen("24-even.txt", "r");
  ptreven = fopen("24-odd.txt", "r");

  printf("The even numbers are:\n");
  while (fscanf(ptreven, "%d", &even) > 0)
    printf("%d\n", even);

  printf("\nThe odd numbers are:\n");
  while (fscanf(ptrodd, "%d", &odd) > 0)
    printf("%d\n", odd);

  fclose(ptrodd);
  fclose(ptreven);
  return 0;
}

Introduction

Code

Output