FILE - 1

file

 

#include<stdio.h>

#include<stdlib.h>

int main()

{

    FILE *fp;

    fp = fopen("Nex.txt","w");

    fprintf(fp,"THis is my friend\n");

    fclose(fp);

    return 0;

}

 

#include<stdio.h>

#include<stdlib.h>

int main()

{

    FILE *fp;

    fp = fopen("Nex.txt","a");

    fprintf(fp,"THis is my friend");

    fclose(fp);

    return 0;

}

 

#include<stdio.h>

#include<stdlib.h>

int main()

{

    FILE *fp;

    int n;

    fp = fopen("Nex.txt","r");;

    fscanf(fp,"%d",&n);

    printf("\n%d\n",n);

    fclose(fp);

    return 0;

}

 

#include<stdio.h>

#include<stdlib.h>

int main()

{

    FILE *fp;

    int n;

    fp = fopen("Nex.txt","w");

    scanf("%d",&n);

    fprintf(fp,"\n%d\n",n);

    fclose(fp);

    fp = fopen("Nex.txt","r");

    fscanf(fp,"%d",&n);

    printf("%d\n",n);

    fclose(fp);

    return 0;

}

 

#include<stdio.h>

#include<stdlib.h>

int main()

{

    FILE *fp,*fp1,*fp2;

    char ch[100];

    fp=fopen("file1.txt","w");

    scanf("%s",ch);

    fprintf(fp,"%s",ch);

    fclose(fp);

//.......................

     fp1 = fopen("file11.txt","r");

     if(fp1==NULL)

     {

         printf("File not found");

     }

     fp2 = fopen("file2.txt","w");

     fscanf(fp1,"%s",ch);

     fprintf(fp2,"%s",ch);

fclose(fp1);

fclose(fp2);

}