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diff --git a/bash/dewey_decimal_system/genjson.php b/bash/dewey_decimal_system/genjson.php
new file mode 100755
index 0000000..072f3c4
--- /dev/null
+++ b/bash/dewey_decimal_system/genjson.php
@@ -0,0 +1,17 @@
+#!/usr/bin/php
+<?php
+//You will need JSON PHP extension for this script...
+
+function recursive_scandir($path,&$dir) {
+	foreach($dir as $key => $value) {
+		$dir[$key] = array_flip(scandir($path.'/'.$key, 0));
+		unset($dir[$key]['.']);	unset($dir[$key]['..']);
+		recursive_scandir($path.'/'.$key,$dir[$key]);
+	}
+}
+
+$dds = array_flip(array('dds'));
+recursive_scandir('./', $dds);
+
+//print_r($dds); //you can use this if you don't have JSON ext.
+echo json_encode($dds);