Contact Learn C
Copy Program Share Program

Program 204:To Append Text into a File

Program 204:
 
#include<stdio.h>
#include<stdlib.h>
 main ()
 {
    FILE *file;
    char c;
    file=fopen("file3append.txt","w");
 fprintf(file,"%s","Hello!");
    fclose(file);
    
    file=fopen("file3append.txt","r");
     printf("After writing\n");
    //To display after write operation to file
    while(1)
    {
     if(file==NULL)
     {
      printf("File Not Found\n");
      exit(0);
     }
     else
     {
      c=fgetc(file);
      if(c==EOF)
      {
       break;
      }
      printf("%c",c);
     }
    }
    fclose(file);
    printf("\n");
    file=fopen("file3append.txt","a");//opening file in append mode    
 fprintf(file,"%s","World");
    fclose(file); 
    file=fopen("file3append.txt","r");
    printf("After appending\n");
    //To display after append operation to file
    while(1)
    {
     if(file==NULL)
     {
      printf("File Not Found\n");
      exit(0);
     }
     else
     {
      c=fgetc(file);
      if(c==EOF)
      {
       break;
      }
      printf("%c",c);
     }
    } 
 fclose(file);
 printf("\n");  
 }
Explanation:

//Coming Soon...

Output:

Store both text file and program in same folder.Here I named text file as file3append.txt

Running the Program





After Running the program




 

Download App and Learn when ever you want

Get it on PlayStore
Get it on Amazon App Store
Get it on Aptoide