$  cat .zshrc | grep youtube
y() { youtube-dl --get-title --get-format --get-duration $1; youtube-dl -lc $1 }

$  y http://www.youtube.com/watch\?v\=pSHTep5hF-o
Sabaton. Курская Дуга. Разгром Фашистов. ( Русские субтитры )
4:56
18 - 640x360
[youtube] Setting language
[youtube] pSHTep5hF-o: Downloading webpage
[youtube] pSHTep5hF-o: Downloading video info webpage
[youtube] pSHTep5hF-o: Extracting video information
[youtube] pSHTep5hF-o: Encrypted signatures detected.
[download] Destination: Sabaton. Курская Дуга. Разгром Фашистов. ( Русские субтитры )-pSHTep5hF-o.mp4
[download]   1.9% of 16.56MiB at 45.08KiB/s ETA 06:09^C
ERROR: Interrupted by user

~$

ls -l && youtube-dl --version && youtube-dl -F http://www.youtube.com/watch?v=pSHTep5hF-o && youtube-dl -f 18 http://www.youtube.com/watch?v=pSHTep5hF-o && ls -l
итого 0
2014.07.15
[youtube] Setting language
[youtube] pSHTep5hF-o: Downloading webpage
[youtube] pSHTep5hF-o: Downloading video info webpage
[youtube] pSHTep5hF-o: Extracting video information
[youtube] pSHTep5hF-o: Encrypted signatures detected.
[youtube] pSHTep5hF-o: Downloading js player vflqZIm5b
[youtube] pSHTep5hF-o: Downloading js player vflqZIm5b
[info] Available formats for pSHTep5hF-o:
format code extension resolution  note 
171         webm      audio only  DASH audio , audio@ 48k (worst)
140         m4a       audio only  DASH audio , audio@128k
160         mp4       144p        DASH video , video only
133         mp4       240p        DASH video , video only
242         webm      240p        DASH video , video only
134         mp4       360p        DASH video , video only
243         webm      360p        DASH video , video only
135         mp4       480p        DASH video , video only
244         webm      480p        DASH video , video only
17          3gp       176x144     
36          3gp       320x240     
5           flv       400x240     
18          mp4       640x360     
43          webm      640x360     (best)
[youtube] Setting language
[youtube] pSHTep5hF-o: Downloading webpage
[youtube] pSHTep5hF-o: Downloading video info webpage
[youtube] pSHTep5hF-o: Extracting video information
[youtube] pSHTep5hF-o: Encrypted signatures detected.
[youtube] pSHTep5hF-o: Downloading js player vflqZIm5b
[download] Destination: Sabaton. Курская Дуга. Разгром Фашистов. ( Русские субтитры )-pSHTep5hF-o.mp4
[download] 100% of 16.56MiB in 00:20
итого 16964
-rw-rw-r-- 1 sanja sanja 17367852 авг 14  2013 Sabaton. Курская Дуга. Разгром Фашистов. ( Русские субтитры )-pSHTep5hF-o.mp4