--- vardump.module.old	2007-11-04 07:02:35.000000000 +0100
+++ vardump.module	2008-11-06 17:41:26.000000000 +0100
@@ -69,6 +69,7 @@
 		VARDUMP_OUTPUT_FILE => t('file'), 
 		)
 	  );
+  $form['filter'] = array('#type' => 'textfield', '#title' => 'filter', '#description' => 'Limit the result set with an SQL LIKE filter. Example: pathauto_%.');
   $form['submit'] = array('#type' => 'submit',
 			  '#value' => t('Dump variable table'),
   );
@@ -185,8 +186,12 @@
 /** 
  *  @todo refactor export code
 */
-function vardump_dump_rows($format=VARDUMP_FORMAT_NAMEVALUE, $destination=VARDUMP_OUTPUT_SCREEN) {
-  $result = db_query('SELECT name, value FROM {variable}');
+function vardump_dump_rows($format=VARDUMP_FORMAT_NAMEVALUE, $destination=VARDUMP_OUTPUT_SCREEN, $filter = '') {
+	if($filter) {
+	  $result = db_query('SELECT name, value FROM {variable} WHERE name like "'.$filter.'"');
+	} else {
+	  $result = db_query('SELECT name, value FROM {variable}');
+	}
   while ($row = db_fetch_object($result)) {
     switch ($format)  {
     case VARDUMP_FORMAT_XML:
@@ -211,11 +216,12 @@
 function vardump_admin_form_submit($form_id, $form_values) {
   $format = $form_values['output_format'];
   $destination = $form_values['output_destination'];
+  $filter = $form_values['filter'];
   if ($destination == VARDUMP_OUTPUT_SCREEN) {
-    print (theme('page', vardump_dump_variables($format, $destination)));
+    print (theme('page', vardump_dump_variables($format, $destination, $filter)));
   }
   else {
-    vardump_dump_variables($format, $destination);
+	vardump_dump_variables($format, $destination, $filter);
     drupal_goto('admin');
   }
 }
@@ -224,9 +230,9 @@
  *  @todo If destination is file, then create an entry for the file in
  *  the files table
  */
-function vardump_dump_variables($format, $destination=VARDUMP_OUTPUT_SCREEN) {
+function vardump_dump_variables($format, $destination=VARDUMP_OUTPUT_SCREEN, $filter = '') {
   $output = vardump_dump_init($format, $destination);
-  $output .= vardump_dump_rows($format, $destination);
+  $output .= vardump_dump_rows($format, $destination, $filter);
   $output .= vardump_dump_finish($format, $destination);
   if ($destination != VARDUMP_OUTPUT_SCREEN) {
     $date = date('Y-m-d@H\hi');