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Saturday, February 7, 2015

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);
 
}

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