Method save

src/org/opensourcephysics/tools/DataTool.java:2375–2377

Saves the current tab to the specified file. @param fileName the file name @return the name of the saved file, or null if not saved

(String fileName)

	 * @return the name of the saved file, or null if not saved
	 */
	protected String save(String fileName) {
		return save(getSelectedTab(), fileName);
	}

	/**
	 * Saves a tab to the specified file.