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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):
Subscribe to the feed for:
in place of "output-filename.mp4" put the name you want the file to be named with.
in place of "youtube-video-link" put the link of the Video page eg: http://www.youtube.com/watch?v=AclA-7YntvE
in place of "format-number" put the number of the file format you would like
How to get the "format-number"
to get format number type in below command before running this command
youtube-dl -F "youtube-video-link"
and it will list all the available formats with the format number, like to download in 360p mp4 use the number "18"
To automatically let it fetch the best quality available just remove the -f "format-number" and you are good to go.