/*	file:	test.c

*/

#include <stdio.h>

FILE	*mid;
int	val;

main(argc,argv)
int argc;
char	*argv[];
{
    mid=fopen(argv[1],"rwb");
    if (mid==NULL)
    {
	printf("cant open %s\n",argv[1]);
	exit(1);
    }
    while(1)
    {
	printf("Value: ");
	scanf("%x",&val);
	fwrite(&val,1,1,mid);
    }
}