Adding script to check users.

tests/scripts/check_users_in_csv_file.php

@@ -0,0 +1,16 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+exit;
+
+require_once '../inc/global.inc.php';
+api_protect_admin_script();
+
+$file = '';
+$users = Import :: csv_to_array($file);
+foreach ($users as $user) {
+    $userInfo = api_get_user_info_from_email($user['Email']);
+    if (empty($userInfo)) {
+        echo 'User does not exists: '.$userInfo['Email'].'<br />';
+    }
+}