static bool do_on_pipe(command_t *cmd1, command_t *cmd2, int level,
		command_t *father)
{
	/* TODO redirect the output of cmd1 to the input of cmd2 */
	int exit_code = 0;
	int initial_in, initial_out;
	pid_t child1, child2;
	int pipe_fd[2];
	int status;

	initial_in = dup(STDIN_FILENO);
	initial_out = dup(STDOUT_FILENO);
	pipe(pipe_fd);

	child1 = fork();
	if (child1 == -1) {
		//eroare
	} else if (child1 == 0) {
		close(pipe_fd[0]);
		dup2(pipe_fd[1], STDOUT_FILENO);
		close(pipe_fd[1]);

		exit_code = parse_command(cmd1, level + 1, cmd1);
		exit (-1);
	} else {

			close(pipe_fd[1]);
			dup2(pipe_fd[0], STDIN_FILENO);
			//close(pide_fd[0]);
			exit_code = parse_command(cmd2, level + 1, cmd2);
			waitpid(child1, &status, 0);

			dup2(initial_in, STDIN_FILENO);
			dup2(initial_out, STDOUT_FILENO);

			close(initial_in);
			close(initial_out);

			close(pipe_fd[0]);
		}

	return exit_code;
}