#include <unistd.h> // execvp, fork
#include <stdio.h> // printf
#include <sys/wait.h> // wait
#include <fcntl.h> // open, O_WRONLY

int main(int argc, char* argv[]) {
	if (argc < 2) return 1;

	pid_t fpid = fork();
	if (fpid == 0) {
		int fi = open(argv[argc-3], O_RDONLY);
		if (fi < 0) {
			perror("open");
			return 2;
		}
		dup2(fi, 0);
		close(fi);

		int fo = open(argv[argc-2], O_WRONLY | O_TRUNC | O_CREAT, 0755);
		if (fo < 0) {
			perror("open");
			return 3;
		}
		dup2(fo, 1);
		close(fo);

		int fe = open(argv[argc-1], O_WRONLY | O_TRUNC | O_CREAT, 0755);
		if (fe < 0) {
			perror("open");
			return 4;
		}
		dup2(fe, 2);
		close(fe);

		char* args[argc-2];
		for (int i = 1; i < argc - 2; i++)
			args[i-1] = argv[i];
		args[argc-3] = NULL;

		execvp(argv[1], args);
	}
	else {
		int status;
		wait(&status);
		printf("%d %d\n", fpid, status);
	}
}