From c1002e96e98f4851aed5de0142e8e2bd1ac4661c Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Mon, 28 Oct 2013 11:28:02 +0100
Subject: Let extractors omit ext in formats

---
 youtube_dl/YoutubeDL.py | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'youtube_dl/YoutubeDL.py')

diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index d4654cc05..b09eeff32 100644
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -484,6 +484,9 @@ class YoutubeDL(object):
                     res=self.format_resolution(format),
                     note=u' ({})'.format(format['format_note']) if format.get('format_note') is not None else '',
                 )
+            # Automatically determine file extension if missing
+            if 'ext' not in format:
+                format['ext'] = determine_ext(format['url'])
 
         if self.params.get('listformats', None):
             self.list_formats(info_dict)
-- 
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