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Program to writes numbers in a file and read and find odd or even numbers from it

Posted By: Ellis Evans     Category: C Programming     Views: 12751

Write a program which reads numbers from a user and writes it in a file. Also find odd and even numbers by reading that file and store it in 2 separate files odd and even.

Code for Program to writes numbers in a file and read and find odd or even numbers from it in C Programming

#include<stdio.h>
#include<conio.h>

void main()
{
    FILE *f1,*f2,*f3;
    int number,i;
    clrscr();

    printf("Contents of DATA file\n\n");
    f1 = fopen("DATA","w");  /* create a data file */
for(i=1;i<=30;i++) { scanf("%d",&number); if(number==-1)break; putw(number,f1); } fclose(f1); f1 = fopen("DATA","r"); f2 = fopen("ODD","w"); f3 = fopen("EVEN","w"); while((number = getw(f1)) != EOF) /* Read from Data file */
{ if(number%2==0) putw(number,f3); else putw(number,f2); } fclose(f1); fclose(f2); fclose(f3); f2 = fopen("ODD","r"); f3 = fopen("EVEN","r"); printf("\n\nContents of ODD file \n\n"); while((number = getw(f2)) != EOF) printf("%4d",number); printf("\n\nContents of EVEN file \n\n"); while((number = getw(f3)) != EOF) printf("%4d",number); fclose(f2); fclose(f3); getch(); }
  
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Ellis Evans
Ellis Evans author of Program to writes numbers in a file and read and find odd or even numbers from it is from London, United Kingdom.
 
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