commandlinefu.com is the place to record those command-line gems that you return to again and again.
Delete that bloated snippets file you've been using and share your personal repository with the world. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.
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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,…):
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Wow, didn't really expect you to read this far down. The latest iteration of the site is in open beta. It's a gentle open beta-- not in prime-time just yet. It's being hosted over at UpGuard (link) and you are more than welcome to give it a shot. Couple things:
This allows to switch from horizontal to vertical split, putting the current buffer on the right side of the vertical split. To put it on the right use ^W-H.
In a similar way, to switch from Vertical to Horizontal, do ^W-J (for bottom) and ^W-K (for top), but you vimers all guessed that one already :P
Using mplayer's mencoder, you can merge video files together.
'-oac' specifies the audio encoding (here copy, to just copy and not compress)
'-ovc' specifies the video encoding (same thing).
Declare this function in your Shell, then use it like this:
> jumpTo foo
The script will search for the 'foo' pattern in your current xmms2 playlist (artist or songname), and play the first occurence of it !
Very handy to bring the word currently under the cursor into a :s command in Vim.
If the cursor was on the word "eggs":
:s/ ==> :s/eggs
This commands lets you generate a random number between the range [$START; $END].