Use youtube-dl to rip the highest quality video and audio

ripitgood.sh

youtube-dl https://www.youtube.com/watch?v=udrKnXueTW0 -F
#[youtube] udrKnXueTW0: Downloading webpage
#[youtube] udrKnXueTW0: Downloading video info webpage
#[youtube] udrKnXueTW0: Extracting video information
#[youtube] udrKnXueTW0: Downloading MPD manifest
#[info] Available formats for udrKnXueTW0:
#format code  extension  resolution note
#249          webm       audio only DASH audio   55k , opus @ 50k (48000Hz), 19.80MiB
#250          webm       audio only DASH audio   76k , opus @ 70k (48000Hz), 24.55MiB
#171          webm       audio only DASH audio   84k , vorbis@128k (44100Hz), 30.21MiB
#251          webm       audio only DASH audio  128k , opus @160k (48000Hz), 43.69MiB
#140          m4a        audio only DASH audio  131k , m4a_dash container, mp4a.40.2@128k (44100Hz), 50.64MiB
#160          mp4        256x144    DASH video  123k , avc1.4d400c, 30fps, video only, 44.36MiB
#278          webm       256x144    DASH video  132k , webm container, vp9, 30fps, video only, 36.14MiB
#133          mp4        426x240    DASH video  257k , avc1.4d4015, 30fps, video only, 97.85MiB
#242          webm       426x240    DASH video  275k , vp9, 30fps, video only, 49.78MiB
#243          webm       640x360    DASH video  491k , vp9, 30fps, video only, 94.39MiB
#134          mp4        640x360    DASH video  639k , avc1.4d401e, 30fps, video only, 104.70MiB
#244          webm       854x480    DASH video  919k , vp9, 30fps, video only, 159.61MiB
#135          mp4        854x480    DASH video 1170k , avc1.4d401f, 30fps, video only, 221.33MiB
#247          webm       1280x720   DASH video 1806k , vp9, 30fps, video only, 348.40MiB
#136          mp4        1280x720   DASH video 2335k , avc1.4d401f, 30fps, video only, 441.51MiB
#248          webm       1920x1080  DASH video 3342k , vp9, 30fps, video only, 791.02MiB
#137          mp4        1920x1080  DASH video 4349k , avc1.640028, 30fps, video only, 847.81MiB
#17           3gp        176x144    small , mp4v.20.3,  mp4a.40.2@ 24k
#36           3gp        320x180    small , mp4v.20.3,  mp4a.40.2
#43           webm       640x360    medium , vp8.0,  vorbis@128k
#18           mp4        640x360    medium , avc1.42001E,  mp4a.40.2@ 96k
#22           mp4        1280x720   hd720 , avc1.64001F,  mp4a.40.2@192k (best)

# Select the top video and audio tracks (they get merged on the fly)
youtube-dl -f 137+22 https://www.youtube.com/watch?v=udrKnXueTW0

# Note that the default without specifying options should have this behavior