Method checkPath

ij/src/main/java/ij/macro/Functions.java:4624–4631

(File f)

	}

	boolean checkPath(File f) {
		String path = f.getPath();
		if (path.equals("0") || path.equals("NaN")) {
				interp.error("Invalid path");
				return false;
		} else
			return true;
	}

	String openDialog() {
		String title = getStringArg();