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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!

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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

Randomize lines in a file

Terminal - Randomize lines in a file
awk 'BEGIN{srand()}{print rand(),$0}' SOMEFILE | sort -n | cut -d ' ' -f2-
2009-05-29 01:20:50
User: axelabs
Functions: awk cut sort
Randomize lines in a file

This appends a random number as a first filed of all lines in SOMEFILE then sorts by the first column and finally cuts of the random numbers.


There are 2 alternatives - vote for the best!

Terminal - Alternatives
2010-09-16 12:45:28
User: dooblem
Tags: random shuf

shuf is in the coreutils package

2010-09-16 22:29:27
User: miniker84
Functions: sort

Works in sort (GNU coreutils) 7.4, don't know when it was implemented but sometime the last 6 years.

sort --random-sort file
2011-12-10 20:28:54
User: arld101
Functions: sort
Tags: sort random

Seeing that _sort_ its been used, why not just _use_ it. ;)

Know a better way?

If you can do better, submit your command here.

What others think

Interesting bit of fu but

sort -R

is much quicker.

Comment by TheMightyBuzzard 386 weeks and 1 day ago
Comment by talkiwalki 386 weeks and 1 day ago

Sort had no -r flag on the solaris box I was on and I've previously not heard of 'shuf'.

Comment by axelabs 384 weeks and 5 days ago

is probably the shorter way

Comment by Josay 384 weeks and 1 day ago

Your point of view

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