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.
» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10
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:
You can use this in shell scripts to show which commands are actually run. Just prepend every "critical line" with "v˽".
$TMP=/tmp
echo "Let me create a directory for you"
v mkdir $TMP/new
In scripts this can be more useful than "set -x", because that can be very verbose with variable assignments etc.
Another nice use is if you prepend every "critical" command with "v", then you can test your script by commenting out the actual execution.
There are 2 alternatives - vote for the best!
If you can do better, submit your command here.
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Hey, why all the downvotes? Does anyone care to comment?