Hide

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.

Universal configuration monitoring and system of record for IT.
Hide

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:

Hide

News

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!
Hide

Top Tags

Hide

Functions

Psst. Open beta.

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:

  • » The open beta is running a copy of the database that will not carry over to the final version. Don't post anything you don't mind losing.
  • » If you wish to use your user account, you will probably need to reset your password.
Your feedback is appreciated via the form on the beta page. Thanks! -Jon & CLFU Team

Random line from bash.org (funny IRC quotes)

Terminal - Random line from bash.org (funny IRC quotes)
curl -s http://bash.org/?random1|grep -oE "<p class=\"quote\">.*</p>.*</p>"|grep -oE "<p class=\"qt.*?</p>"|sed -e 's/<\/p>/\n/g' -e 's/<p class=\"qt\">//g' -e 's/<p class=\"qt\">//g'|perl -ne 'use HTML::Entities;print decode_entities($_),"\n"'|head -1
2009-05-07 13:13:21
User: Iftah
Functions: grep head perl sed
7
Random line from bash.org (funny IRC quotes)

bash.org is a collection of funny quotes from IRC.

WARNING: some of the quotes contain "adult" jokes... may be embarrassing if your boss sees them...

Thanks to Chen for the idea and initial version!

This script downloads a page with random quotes, filters the html to retrieve just one liners quotes and outputs the first one.

Just barely under the required 255 chars :)

Improvment:

You can replace the head -1 at the end by:

awk 'length($0)>0 {printf( $0 "\n%%\n" )}' > bash_quotes.txt

which will separate the quotes with a "%" and place it in the file.

and then:

strfile bash_quotes.txt

which will make the file ready for the fortune command

and then you can:

fortune bash_quotes.txt

which will give you a random quote from those in the downloaded file.

I download a file periodically and then use the fortune in .bashrc so I see a funny quote every time I open a terminal.

Alternatives

There is 1 alternative - vote for the best!

Terminal - Alternatives
curl -s "http://smacie.com/randomizer/borat.txt" | shuf -n 1 -
2014-12-16 04:18:48
User: benjabean1
2

Turns out smacie.com has a text file containing every single one of the borat quotes, each one on a newline. This makes it very convenient, as this can be done without any sed-parsing, and uses less bandwitdth!

Note that borate quotes are quite offensive, much more so than "fortunes-off"!

curl -s http://smacie.com/randomizer/borat.html | sed -nE "s# *<td valign=\"top\"><big><big><big><font face=\"Comic Sans MS\">(.*)</font></big></big></big></td>#\1#p"
2012-07-18 21:31:43
User: phymata
Functions: sed
1

I improved a bit on the original by only using sed and extracting the quote with a matching group.

Use -nE for sed on Mac OSX

Use -nr for sed on Linux.

Warning! The quotes from Borat are definitely offensive.

Know a better way?

If you can do better, submit your command here.

What others think

Well done... hopefully will make me funny doing some serious stuff :D

LOL

Comment by bassu 395 weeks and 2 days ago

Btw, there is a syntax error in $awk 'length($0)>0 {printf( $0 "\n%%\n" )}') > bash_quotes.txt

it should be:

awk 'length($0)>0 {printf( $0 "\n%%\n" )}' > bash_quotes.txt

happy kidding bash ;)

Comment by bassu 395 weeks and 2 days ago

With lynx -dump all the html code is erased from your input. I thin it's easier.

Then you have to deal with paragraphs, a paragraph is a line with just spaces : sed "s/ *$//"

Then your select some paragraphs with a pattern, /girl/ for instance.

links -dump http://bash.org/?random1 \

| sed 's/ *$//' \

| sed -e '/./{H;$!d;}' -e 'x;/girl/!d;'

But I cannot print paragraph number one or N, maybe with XML tools ?

Comment by flux 395 weeks and 1 day ago

[code]links -dump http://bash.org/\?random1 | sed 's/\#.*/%/' | sed '1,/Add Quote \/ ModApp \/ Search /d' | sed '/Home \/ Latest /,$d' | sed 's/^ *//' >> bashorg.fortune[/code]

make it a loop and there you start building your fortune

Comment by talkiwalki 395 weeks ago

oops, sorry

links -dump http://bash.org/\?random1 | sed 's/\#.*/%/' | sed '1,/Add Quote \/ ModApp \/ Search /d' | sed '/Home \/ Latest /,$d' | sed 's/^ *//' >> bashorg.fortune
Comment by talkiwalki 395 weeks ago

Pipe it through cowsay!

:)

Thanks for this!

Comment by TheShadowFog 264 weeks and 4 days ago

Your point of view

You must be signed in to comment.