#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argn , char** const argv) {
	if ((strcmp(argv[1],"-a"))!=0){
		FILE *f;
		FILE *l;
		int octet;
		f=fopen(argv[3],"a");
		l=fopen(argv[2],"r");
		fread(&octet,1,1,l);
		while (!(feof(l))){
			fwrite(&octet,1,1,f);
			fread(&octet,1,1,l);
		fclose(l);
		fclose(f);
		}
	}
return 0;
}