@Override
	public String pwd() {
		try {
			return client.printWorkingDirectory();
		} catch (IOException e) {
			throw new IORuntimeException(e);
		}
	}
@Test
	@Disabled
	public void existSftpTest() throws Exception {
		try (final Sftp ftp = new Sftp("127.0.0.1", 22, "test", "test")) {
			Console.log(ftp.pwd());
			Console.log(ftp.exist(null));
			Console.log(ftp.exist(""));
			Console.log(ftp.exist("."));
			Console.log(ftp.exist(".."));
			Console.log(ftp.exist("/"));
			Console.log(ftp.exist("a"));
			Console.log(ftp.exist("/home/test"));
			Console.log(ftp.exist("/home/test/"));
			Console.log(ftp.exist("/home/test//////"));
			Console.log(ftp.exist("/home/test/file1"));
			Console.log(ftp.exist("/home/test/file1/"));
			Console.log(ftp.exist("///////////"));
			Console.log(ftp.exist("./"));
			Console.log(ftp.exist("./file1"));
			Console.log(ftp.pwd());
		}
	}