$ movgrab -T 'http://www.youtube.com/watch?v=7XEujPG7Zjw'
Formats available for this Movie:webm:640x360 (8.4M), flv-h264:640x360 (8.3M), mp4:480x360 (9.9M), flv:400x240 (8.0M), 3gp (2.1M),
...
$ movgrab -f webm:640x360 'http://www.youtube.com/watch?v=7XEujPG7Zjw'
...
Selected format item:webm:640x360
Progress: 3.12% 254.9k of 8.0M 41.0k/s
Related: Batch download YouTube videos from the command line
/nix | Oct 23, 2012