diff -r 0684883953ba -r 7d86d90e6e0e java/parameter-lister/src/info/glogalcode/parameterLister/CLI.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/parameter-lister/src/info/glogalcode/parameterLister/CLI.java	Sat Sep 10 23:03:43 2016 +0200
@@ -0,0 +1,53 @@
+package info.glogalcode.parameterLister;
+
+import info.glogalcode.parameterLister.modules.TerminalModuleFactory;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.ServiceLoader;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ *
+ * @author Ing. František Kučera (frantovo.cz)
+ */
+public class CLI {
+
+	public static final String ENV_BASE = "PARAMETER_LISTER";
+	public static final String ENV_OUTPUT_MODULE_NAME = ENV_BASE + "_OUTPUT";
+	public static final String DEFAULT_MODULE = TerminalModuleFactory.MODULE_NAME;
+
+	public static final int EXIT_SUCCESS = 0;
+	public static final int EXIT_UNEXPECTED_ERROR = 1;
+	// 2 is reserved: http://www.tldp.org/LDP/abs/html/exitcodes.html#EXITCODESREF
+	public static final int EXIT_MODULE_ERROR = 3;
+
+	private static final Logger log = Logger.getLogger(CLI.class.getName());
+
+	public static void main(String[] args) {
+
+		try {
+			ServiceLoader<OutputModuleFactory> modulesLoader = ServiceLoader.load(OutputModuleFactory.class);
+			final Map<String, OutputModuleFactory> modules = new HashMap<>();
+			modulesLoader.forEach(f -> modules.put(f.getName(), f));
+
+			String moduleName = System.getenv(ENV_OUTPUT_MODULE_NAME);
+			OutputModuleFactory moduleFactory = modules.getOrDefault(moduleName, modules.get(DEFAULT_MODULE));
+			OutputModule module = moduleFactory.createModule();
+
+			try {
+				module.process(System.out, Arrays.asList(args));
+			} catch (OutputModuleException e) {
+				log.log(Level.SEVERE, "Error while processing output with module " + module.getClass().getName(), e);
+				System.exit(EXIT_MODULE_ERROR);
+			}
+		} catch (Exception e) {
+			log.log(Level.SEVERE, "Unexpected exception, probably bug.", e);
+			System.exit(EXIT_UNEXPECTED_ERROR);
+
+		}
+		System.exit(EXIT_SUCCESS);
+	}
+
+}