public String execute() {
				String s = getScript();
				if (s != null) {
					Matcher matcher = SCRIPT_PATTERN.matcher(s);
					if (matcher.find())
						return executeScripts(s);
					matcher = SCRIPT_PATTERN2.matcher(s);
					if (matcher.find()) {
						String[] t = s.split(SCRIPT_PATTERN2.pattern());
						String output = "";
						for (String x : t)
							output += executeMwScripts(x);
						return output;
					}
				}
				return writeErrorMessage(s);
			}