diff --git a/scripts/regen-filelists.php b/scripts/regen-filelists.php
new file mode 100644
index 000000000..699025e82
--- /dev/null
+++ b/scripts/regen-filelists.php
@@ -0,0 +1,35 @@
+<?php
+
+require_once(__DIR__.'/../classes/config.php');
+require_once(__DIR__.'/../vendor/autoload.php');
+require_once(__DIR__.'/../classes/util.php');
+
+$Cache = new Gazelle\Cache;
+$InternalCache = false;
+
+$DB    = new DB_MYSQL;
+Gazelle\Base::initialize($Cache, $DB, Gazelle\Util\Twig::factory());
+$Debug = new Gazelle\Debug($Cache, $DB);
+
+$torMan = new Gazelle\Manager\Torrent;
+$max = $DB->scalar("SELECT MAX(ID) FROM torrents");
+$id = 0;
+
+while ($id < $max) {
+    $id++;
+    $DB->prepared_query("
+        SELECT ID
+        FROM torrents
+        WHERE ID >= ?
+        ORDER BY ID
+        LIMIT ?
+    ", $id, 1000);
+    $list = $DB->collect(0);
+    foreach ($list as $id) {
+        try {
+            $torMan->regenerateFilelist($id);
+        } catch (RuntimeException $e) {
+            echo "$id: fail: " . $e->getMessage() . "\n";
+        }
+    }
+}