From aaac047c0ef8b1f057d5eff5c293d647d7b63924 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 19 Dec 2024 22:28:09 +0530
Subject: [PATCH] Fix #2581 (Fixed "[Errno 36] File name too long" error during
 eBook registration)

---
 src/calibre/db/cli/cmd_add.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/db/cli/cmd_add.py b/src/calibre/db/cli/cmd_add.py
index 3dba096315..dd527d63ae 100644
--- a/src/calibre/db/cli/cmd_add.py
+++ b/src/calibre/db/cli/cmd_add.py
@@ -154,7 +154,7 @@ def format_group(db, notify_changes, is_remote, args):
         if is_remote:
             paths = []
             for name, data in formats:
-                with open(os.path.join(tdir, os.path.basename(name)), 'wb') as f:
+                with open(os.path.join(tdir, os.path.basename(name.replace('\\', os.sep))), 'wb') as f:
                     f.write(data)
                 paths.append(f.name)
         else: