C/C++ :: Program To Scan Number And String Then Print Them To A File

I wrote this program to scan a number and a string until EOF then print them to a file named "data.list". the problem is that the program duplicates last line of input in the output file. so for example if the input is :

1 test
2 dream
3 code

then output (in data.list file) would be:

1 test
2 dream
3 code
3 code

I also changed the program code so that it reads from data.list file. even here it duplicates last line!

so when program reads the info above saved in data.list it would be:

1 test
2 dream
3 code
3 code
3 code

here's the code for writing:

#include <stdio.h>
int main( void )
{
int num;
char str[80];
FILE *fPTR;
fPTR = fopen( "data.list", "w" ); // opens a file named "data.list", create if doesn't exist
while(!feof(stdin)) // loop until End-Of-File is pressed. Ctrl-Z in Windows, Ctrl-D in Unix, Linux, Mac OS X

[Code]...

and the one for reading from file:

#include <stdio.h>
#include <conio.h>
int main( void )
{
int num;
char str[80];
FILE *fPTR;

[Code]...

How do I fix this behavior??