#include <iostream>
#include <string>
using namespace std;

#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

main(int argc, char **argv)
{
	int fd = open(argv[1], O_RDONLY);
	if(fd < 0)
		cerr << "File open failed." << endl;
	else {
		char buf[1024];
		int nchr;
		while((nchr = read(fd, buf, sizeof buf)) > 0)
			cout.write(buf, nchr);
	}
}