What's this?

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.

Get involved!

You can sign-in using OpenID credentials, or register a traditional username and password.

First-time OpenID users will be automatically assigned a username which can be changed after signing in.

UpGuard checks and validates configurations for every major OS, network device, and cloud provider.

Stay in the loop…

Follow the Tweets.

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

Subscribe to the feeds.

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:



May 19, 2015 - A Look At The New Commandlinefu
I've put together a short writeup on what kind of newness you can expect from the next iteration of clfu. Check it out here.
March 2, 2015 - New Management
I'm Jon, I'll be maintaining and improving clfu. Thanks to David for building such a great resource!

Top Tags



print random commandlinefu.com submission

Terminal - print random commandlinefu.com submission
lynx -source http://www.commandlinefu.com/commands/random | sed 's/<[^>]*>//g' | head -1037 | tail -10 | sed -e 's/^[ \t]*//' | sed '/^$/d' | head -2
2009-06-02 09:48:59
User: lxtips
Functions: head sed tail
print random commandlinefu.com submission

ok I'm sure it's not pretty


There are 3 alternatives - vote for the best!

Terminal - Alternatives

Know a better way?

If you can do better, submit your command here.

What others think

How about this. It only needs one call to sed:

links -dump -no-numbering -no-references http://www.commandlinefu.com/commands/random | sed -e '/Add to favourites/,$d' -e '1,/_____________________/d'
Comment by flatcap 459 weeks and 3 days ago

nice thanks

Comment by lxtips 459 weeks and 3 days ago

Hi guys, your snippet is not reliable that way. By example with & or spaces, the output is broken. This one is longer as yours but reliable :

perl -MHTML::TreeBuilder -MWWW::Mechanize -e 'my $b = WWW::Mechanize->new( autocheck => 1 ); $b->get("http://www.commandlinefu.com/commands/random"); my $t = HTML::TreeBuilder->new_from_content(\$b->content); for ($t->look_down("_tag", "div", "id", "window-bar")) { print "Description :", $_->as_text, "\n"; } for ($t->look_down("_tag", "div", "class", "line")) { print $_->as_text, "\n"; } $t = $t->delete;'

If I'ill have time to spent, I'll try to make it shorter...

Comment by sputnick 459 weeks and 2 days ago

A little bit shorter :

perl -MHTML::TreeBuilder -MWWW::Mechanize -e 'my $b = WWW::Mechanize->new; $b->get("http://www.commandlinefu.com/commands/random"); my $t = HTML::TreeBuilder->new_from_content(\$b->content); $te = $t->look_down("_tag", "div", "id", "window-bar"); $tl = $t->look_down("_tag", "div", "class", "line"); for ($te, $tl) { print $_->as_text, "\n"; }; $t = $t->delete;'
Comment by sputnick 459 weeks and 2 days ago

hi sputnick i get:

Can't locate WWW/Mechanize.pm in @INC (@INC contains: /etc/perl /usr/local/lib/perl/5.10.0 /usr/local/share/perl/5.10.0 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.10 /usr/share/perl/5.10 /usr/local/lib/site_perl .).

BEGIN failed--compilation aborted.

do i need to install something?

Comment by lxtips 459 weeks and 2 days ago

lxtips : run this command as root to auto-install needed perl modules :

# for m in HTML::TreeBuilder WWW::Mechanize; do perl 2>/dev/null -e "use ${m}" || cpan -i ${m}; done

Comment by sputnick 459 weeks and 1 day ago

Your point of view

You must be signed in to comment.