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



Extract all 7zip files in current directory taking filename spaces into account

Terminal - Extract all 7zip files in current directory taking filename spaces into account
savesIFS=$IFS;IFS=$(echo -en "\n\b"); for items in `ls *.7z`; do 7zr e $items ; done; IFS=$saveIFS
2010-01-22 14:16:09
User: BCK
Functions: echo
Extract all 7zip files in current directory taking filename spaces into account


There is 1 alternative - vote for the best!

Terminal - Alternatives
for file in *.7z; do 7zr e "$file"; done
find -maxdepth 1 -type f -name "*.7z" -exec 7zr e '{}' ';'
2010-01-23 19:50:10
User: minnmass
Functions: find

Use find's built-in ability to call programs.


find -maxdepth 1 -type f -name "*.7z" -print0 | xargx -0 -n 1 7zr e

would work, too.

7za x \*.zip

Know a better way?

If you can do better, submit your command here.

What others think

What a mess.

Comment by jmcantrell 430 weeks and 5 days ago

no, not a mess! This is a great example of what one can do to save IFS when necessary. While here it can be avoided, in other places this can be very handy, as set forth in the Advanced Bash Scripting Guide.

Comment by linuxrawkstar 430 weeks and 5 days ago

If you use find for this, then you don't have to worry about spaces or newlines in filenames:

find . -name "*.7z" -exec 7zr e {} \;

To strictly search only the current directory, put "-maxdepth 1" before -name. In BCK's defense, temporarily changing the IFS sometimes is the fastest way to do things instead of using many invocations of tr/sed/awk/cut/others.

Comment by bwoodacre 430 weeks and 5 days ago

another huge mess. why some people keep posting these lines without researching first? KISS!

for f in *.7z; do 7zr e "$f"; done

Comment by fsilveira 430 weeks and 4 days ago

Your point of view

You must be signed in to comment.