C Program To Append Contents Into A File

#include< conio.h >

#include< stdio.h >

#include< process.h >

void main()

{

FILE *fp;

char c;

clrscr();

printf("Contents of the file =>\n");

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

while(!feof(fp))

{

c=fgetc(fp);

printf("%c",c);

 }

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

if(fp==NULL)

{

printf("file can't append\n");

exit(1);

}

printf("\nEnter the string to append\n");

while(c!='.')

{

c=getche();

fputc(c,fp);

}

fclose(fp);

printf("file contents after appending\n");

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

while(!feof(fp))

{

c=fgetc(fp);

printf("%c",c);

}

}

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OUT PUT:

----------------------------------------------------------

Contents of the file =>

This is c prorgam.

Enter the string to append

I upload C++ prorams soon.

File contents after appending

This is c prorgam.I upload C++ prorams soon.