From b61067fa4f6c3bd69452b2530ccdf277e0e23e8b Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Sat, 21 Sep 2013 11:10:22 +0200
Subject: [PATCH] Abort if extractaudio is given without a variable extension
(#1470)
---
youtube_dl/__init__.py | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/youtube_dl/__init__.py b/youtube_dl/__init__.py
index df4feefe7..1ed30aae3 100644
--- a/youtube_dl/__init__.py
+++ b/youtube_dl/__init__.py
@@ -551,6 +551,10 @@ def _real_main(argv=None):
or (opts.useid and u'%(id)s.%(ext)s')
or (opts.autonumber and u'%(autonumber)s-%(id)s.%(ext)s')
or u'%(title)s-%(id)s.%(ext)s')
+ if '%(ext)s' not in outtmpl and opts.extractaudio:
+ parser.error(u'Cannot download a video and extract audio into the same'
+ u' file! Use "%%(ext)s" instead of %r' %
+ determine_ext(outtmpl, u''))
# YoutubeDL
ydl = YoutubeDL({