added quiet mode...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>

README.md

@@ -73,6 +73,7 @@ This code is an evolution of that parser.
 			- [`-` / `--`](#-----)
 			- [`-*` / `@*`](#---)
 			- [`-v` / `--version`](#-v----version)
+			- [`-q` / `--quiet`](#-q----quiet)
 			- [`-h` / `--help`](#-h----help)
 				- [Value placeholders](#value-placeholders)
 				- [Automatically defined values](#automatically-defined-values)
@@ -85,7 +86,7 @@ This code is an evolution of that parser.
 				- [More control over help...](#more-control-over-help)
 		- [Nested parsers](#nested-parsers)
 	- [Components and API](#components-and-api)
-		- [`THEN`/ `STOP`](#then-stop)
+		- [`THEN` / `STOP`](#then--stop)
 		- [`ParserError(..)`](#parsererror)
 		- [`Parser(..)`](#parser)
 			- [`<parser>.then(..)`](#parserthen)
@@ -530,6 +531,16 @@ By default `@*` is an alias to `-*`.
 This will output the value of `.version` and exit.
 
 
+#### `-q` / `--quiet`
+
+This will turn quiet mode on.
+
+In quiet mode [`<parser>.print(..)`](#parserprint--parserprinterror) will 
+not print anything.
+
+Passing [`--help`](#-h----help) will disable quiet mode and print normally.
+
+
 #### `-h` / `--help`
 
 By default `-help` will output in the following format:

argv.js

@@ -485,6 +485,7 @@ object.Constructor('Parser', {
 			.replace(/\$SCRIPTNAME/g, this.scriptName) },
 
 	'-h': '-help',
+	// NOTE: this will set .quiet to false...
 	'-help': {
 		doc: 'print this message and exit',
 		priority: 99,
@@ -527,6 +528,9 @@ object.Constructor('Parser', {
 					['', title +':', ...items]
 					: [] }
 
+			// ignore quiet mode...
+			this.quiet = false
+
 			this.print(
 				expandVars([
 					`Usage: ${ getValue('usage').join('') }`,
@@ -634,6 +638,14 @@ object.Constructor('Parser', {
 			return module.STOP }, },
 
 
+	// Quiet mode...
+	//
+	'-q': '-quiet',
+	'-quiet': {
+		priority: 99,
+		doc: 'quiet mode', },
+
+
 	// Stop processing arguments and continue into .then(..) handlers...
 	//
 	// If .then(..) does not handle rest in the nested context then this
@@ -674,7 +686,8 @@ object.Constructor('Parser', {
 	// Output...
 	//
 	print: afterCallback('print', null, function(...args){
-		console.log(...args)
+		this.quiet
+			|| console.log(...args)
 		return this }),
 	//
 	// 	.printError(...)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ig-argv",
-  "version": "2.6.0",
+  "version": "2.7.0",
   "description": "simple argv parser",
   "main": "argv.js",
   "scripts": {