From b73be0f990bb7011cf86d443436fbd40b9419592 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 14 Jun 2012 20:00:41 +0530
Subject: [PATCH] ...

---
 src/calibre/library/cli.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/calibre/library/cli.py b/src/calibre/library/cli.py
index 89241dc601..b62b9e78ff 100644
--- a/src/calibre/library/cli.py
+++ b/src/calibre/library/cli.py
@@ -574,6 +574,9 @@ def command_set_metadata(args, dbpath):
 
     if len(args) > 2:
         opf = args[2]
+        if not os.path.exists(opf):
+            prints(_('The OPF file %s does not exist')%opf, file=sys.stderr)
+            return 1
         do_set_metadata(db, book_id, opf)
 
     if opts.field: