diff --git a/README b/README
index 3ab5176..934ee1f 100644
--- a/README
+++ b/README
@@ -25,7 +25,9 @@ The parameters to modx_gen.php needs to be after "php modx_gen.php".
 -h, --help = print this text.
 -f, --outfile = path and name of file to generate. Defautls to stdout
 -v, --verbose = Tell what happens.
--i, --ignore-version = ignore the version info at the top of files.
+-i, --ignore-version = ignore SVN version info at the top of files.
+
+Note that most of the parameters have a default value that can be set in config.php
 
 CONFIGURATION
 config.php contains two lists.
@@ -34,3 +36,5 @@ Files in this array are not added to the copy list if they are missing and not c
 
 $ignore_ext contains file extensions to not compare.
 Files with these extensions are added to copy and (if selected) copied to root. But they are not compared.
+
+It also contains the $defaults array. Look in config.php for more informaion on this array.
diff --git a/config.php b/config.php
index ba110b3..8495a34 100644
--- a/config.php
+++ b/config.php
@@ -40,3 +40,27 @@
 	'tar',
 	'rar',
 );
+
+/**
+ * Default settings for the script parameters.
+ * They can be overridden at runtime by using the parameters in the command line.
+ */
+$defaults = array(
+	// You need to specify a path for the first three if you use them.
+	// 'old' for -o, --old = Original files, path can be absolute or relative.
+	'old' => '',
+	// 'new' for -n, --new = Modified files, path can be absolute or relative.
+	'new' => '',
+	// 'root' for -r, --root = Creates a root directory containing the files missing in old.
+	'root' => '',
+	//'outfile' for -f, --outfile = path and name of file to generate. Defautls to stdout.
+	// You need to specify path and file name if you want to use this.
+	'outfile' => '',
+	// The following are just on or off (true or false).
+	// 'verbose' for -v, --verbose = Tell what happens.
+	'verbose' => false,
+	// 'custom' for -c, --custom = This is an install file for a addition style or language.
+	'custom' => false,
+	// 'ignore_version' for -i, --ignore-version = ignore SVN version info at the top of files.
+	'ignore_version' => true,
+);
diff --git a/functions.php b/functions.php
index 236388b..d1aafed 100644
--- a/functions.php
+++ b/functions.php
@@ -11,11 +11,9 @@
 /**
  * parses the args sent to the script
  */
-function parse_args($argv)
+function parse_args($argv, $defaults)
 {
-	$args = array();
-	$args['diff_opt'] = DIFF_BASIC;
-	$args['verbose'] =false;
+	$args = $defaults;
 	foreach ($argv as $key => $value)
 	{
 		switch($value)
@@ -37,7 +35,7 @@ function parse_args($argv)
 
 			case '-v':
 			case '--verbose':
-				$args['verbose'] = true;
+				$args['verbose'] = ($args['verbose']) ? false : true;
 			break;
 
 			case '-h':
@@ -47,12 +45,12 @@ function parse_args($argv)
 
 			case '-c':
 			case '--custom':
-				$args['diff_opt'] = DIFF_CUSTOM;
+				$args['custom'] = ($args['custom']) ? false : true;
 			break;
 
 			case '-i':
 			case '--ignore-version':
-				$args['ignore'] = true;
+				$args['ignore_version'] = ($args['ignore_version']) ? false : true;
 			break;
 
 			case '-r':
@@ -73,7 +71,7 @@ function parse_args($argv)
  */
 function rem_ignore(&$old_file, &$new_file)
 {
-	// The version string is usually at line 5, but it can be anywhere in the beginning.
+	// The SVN version string is usually at line 5, but it can be anywhere in the beginning.
 	// Let's check the 20 first lines only. And assume it's in the same place in both files.
 	// Otherwise let's diff that to.
 	for ($i = 0; $i < 20; $i++)
@@ -192,7 +190,7 @@ function get_dir_contents($dir, &$dir_arr, $base = '')
 		if (!in_array($file, $ignore))
 		{
 			$path = $dir . $dir_separator . $file;
-			if ($args['diff_opt'] == DIFF_BASIC && is_dir($path))
+			if (!$args['custom'] && is_dir($path))
 			{
 				// Only diff Prosilver and English
 				// Other styles and languages require their own install files.
diff --git a/modx_gen.php b/modx_gen.php
index 24cf6da..6900960 100644
--- a/modx_gen.php
+++ b/modx_gen.php
@@ -31,10 +31,10 @@
 require($script_path . 'config.' . $phpEx);
 require($script_path . 'functions.' . $phpEx);
 
-$args = parse_args($argv);
+$args = parse_args($argv, $defaults);
 
 $slap = $diff_files = $diff_dirs = $where_changes = false;
-if (empty($args['old']) || empty($args['new']) || isset($args['help']) || (isset($args['root']) && !is_dir($args['root'])))
+if (empty($args['old']) || empty($args['new']) || !empty($args['help']) || (!empty($args['root']) && !is_dir($args['root'])))
 {
 	$slap = true;
 }
@@ -67,7 +67,7 @@
 	echo '-h, --help = print this text.' . "\n";
 	echo '-f, --outfile = path and name of file to generate. Defautls to stdout.' . "\n";
 	echo '-v, --verbose = tell what happens.' . "\n";
-	echo '-i, --ignore-version = ignore the version info at the top of files.' . "\n";
+	echo '-i, --ignore-version = ignore SVN version info at the top of files.' . "\n";
 	exit;
 }
 
@@ -78,7 +78,7 @@
 	$old_file = file($args['old']);
 	$new_file = file($args['new']);
 
-	if (isset($args['ignore']))
+	if (!empty($args['ignore_version']))
 	{
 		// Ignore the version strings.
 		rem_ignore($old_file, $new_file);
@@ -137,7 +137,7 @@
 	{
 		echo 'Checking for missing files' . "\n";
 	}
-	$where_changes = check_missing($old_arr, $new_arr, ((isset($args['root'])) ? $args['root'] : false));
+	$where_changes = check_missing($old_arr, $new_arr, ((!empty($args['root'])) ? $args['root'] : false));
 
 	foreach ($old_arr as $file)
 	{
@@ -155,7 +155,7 @@
 		$old_file = file($args['old'] . $file);
 		$new_file = file($args['new'] . $file);
 
-		if (isset($args['ignore']))
+		if (!empty($args['ignore_version']))
 		{
 			// Ignore the version strings.
 			rem_ignore($old_file, $new_file);
@@ -198,7 +198,7 @@
 
 if (isset($xml) && $where_changes)
 {
-	$out_file = (isset($args['outfile'])) ? $args['outfile'] : '';
+	$out_file = (!empty($args['outfile'])) ? $args['outfile'] : '';
 	$xml->modx_close($out_file);
 }
 else