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commandlinefu.com is the place to record those command-line gems that you return to again and again.

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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:

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Your feedback is appreciated via the form on the beta page. Thanks! -Jon & CLFU Team

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Terminal - All commands - 12,352 results
plink -agent gist.github.com
nc -l $PORT | pv -b > archive.tar.bz2
2012-11-13 16:47:45
Tags: netcat tar pv
0

Receives bzip'd tar archive via netcat (openbsd nc) and stores locally. Displays size with pv. Start this receiver first, then the sender.

find $(YourPATH) -type f -exec dos2unix '{}' \;
make --print-data-base --dry-run | awk -F':' '/^[a-zA-Z0-9][^$#\/\t=]*:([^=]|$)/ {split($1,A,/ /);for(i in A)print A[i]}'
dsquery group -samid "Group_SAM_Account_Name" | dsget group -members -expand
ping -c 3 google.com
sudo mount -o remount,rw /
2016-02-07 17:57:19
User: bugmenot
Functions: mount sudo
0

Warning this will allow you to write to the system image on the phone, not recommended. But sometimes useful.

gethostip 208.69.34.230 -x
iozone -s 2g -r 64 -i 0 -i 1 -t 1
2009-11-19 10:43:54
User: w00binda
0

Iozone with a file of 2GB, 64KB record size, write/rewrite and read/re-read test, using just one thread.

find . -type f -not -regex ".*\/.svn\/.*" -exec sed -i 's/oldstring/newstring/g' {} +
grep -UIlr "^M" *
2010-08-20 21:16:34
User: randy909
Functions: grep
0

Where ^M is entered by ctrl-v-m (v then m). Especially useful on cygwin when checking into a version control system. If you're not using all cygwin tools (e.g. strawberry perl instead of cygwin perl) you'll find yourself dealing with this constantly.

-U tells grep to process the file as binary; it needs this to work

-I ignores binary files so you won't get false positives

-l only prints the filename instead of the offending lines

-r recursive

ls /var/log/ |wc -l
http_proxy=<proxy.server:port> wget <url>
2011-03-30 13:06:19
User: rdc
Functions: wget
0

On a machine behind a firewall, it's possible to pass the proxy server address in as a prefix to wget to avoid having to set it as an environment variable first.

perl -e "binmode(STDOUT, ':utf8'); print \"$@\""; echo # newline
2012-01-02 10:34:51
User: mathias
Functions: echo perl
0

This is especially useful to get crazy stuff like space characters copied to your pasteboard correctly.

Source: https://github.com/mathiasbynens/dotfiles/blob/master/.functions

sayspeed() { for i in $(seq 1 `echo "$1"|wc -c`); do echo -n "`echo $1 |cut -c ${i}`"; sleep 0.1s; done; echo "";}
2012-02-11 05:51:42
User: kundan
Functions: echo seq sleep wc
0

change the time that you would like to have as print interval

and just use it to say whatever you want to

pdftk 1.pdf 2.pdf cat output 12.pdf
git checkout HEAD~2 -- /path/to/dir
scrot -d 3 '/tmp/%Y-%m-%d_$wx$h.png' -e 'cat $f'|curl -F "image=@-" -F "key=1913b4ac473c692372d108209958fd15" http://api.imgur.com/2/upload.xml|grep -Eo "<original>(.)*</original>" | grep -Eo "http://i.imgur.com/[^<]*"
2012-11-13 21:16:09
User: dzup
Functions: grep
0

That its my personal key that i dont use, if you want yours, go to imgur and get it, or use that one

alias gfind='find . -print0 | xargs -0 egrep -I '
gem install -g
sudo system-image-cli --switch ubuntu-touch/rc-proposed/ubuntu --build 0
2016-02-07 18:24:28
User: bugmenot
Functions: sudo
Tags: ubuntu-phone
0

Get the latest and hopefully greatest to test out on the Ubuntu Phone - sometimes broken but always interesting. https://developer.ubuntu.com/en/start/ubuntu-for-devices/image-channels/

mysql -s -e "show processlist" |awk '{print $1}'
grep -E ":(`cat bnd-ips.txt | sed 's/\./\\./g' | tr '\n' '|'`)" access.log
2009-07-30 12:54:55
User: Cowboy
Functions: grep
0

bnd-ips.txt is a list of IP adresses that is concenated for use as regular expression. Yes, this is still very speedy ;=)

vmstat 2 10 | awk 'NR > 2 {print NR, $13}' | gnuplot -e "set terminal png;set output 'v.png';plot '-' u 1:2 t 'cpu' w linespoints;"
:/\c{pattern}