Commands using xargs sorted by votes

Commands using xargs (769)

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easily strace all your apache processes

Will open strace on all apache process, on systems using sbin/apache (debian) or sbin/httpd (redhat), and will follow threads newly created.
This is sample output - yours may be different.
3

ps auxw | grep -E 'sbin/(apache|httpd)' | awk '{print"-p " $2}' | xargs strace -F

gormux · 2016-08-04 10:59:58 14
Download all recently uploaded pastes on pastebin.com
This is sample output - yours may be different.
3

elinks -dump https://pastebin.com/archive|grep https|cut -c 7-|sed 's/com/com\/raw/g'|awk 'length($0)>32 && length($0)<35'|grep -v 'messages\|settings\|languages\|archive\|facebook\|scraping'|xargs wget

wuseman1 · 2019-05-13 10:56:11 39
Quickly add a new user to all groups the default user is in

This is a standard procedure for me, whenever I set up a new Raspberry Pi system. Because the default user is "pi", I quickly replace it with my own (e.g. "kostis"), but I have to substitute that user to all of pi's groups first, before deleting the default account. xargs helps a lot with that in a single line, while avoiding boring "for" loops. For everything trickier, there's always "parallel" :)
This is sample output - yours may be different.
3

groups pi | xargs -n 1 | tail -n +4 | xargs -n 1 sudo adduser kostis

kostis · 2022-01-25 07:20:09 449
Backup all starred repositories from Github
This is sample output - yours may be different.
3

GITUSER=$(whoami); curl "https://api.github.com/users/${GITUSER}/starred?per_page=1000" | grep -o 'git@[^"]*' | xargs -L1 git clone

wuseman1 · 2022-06-25 20:39:12 401
List all packages in Ubuntu/Debian that no package depends on
This is sample output - yours may be different.
3

dpkg-query --show --showformat='${Package}\t${Status}\n' | tac | awk '/installed$/ {print $1}' | xargs apt-cache rdepends --installed | tac | awk '{ if (/^ /) ++deps; else if (!/:$/) { if (!deps) print; deps = 0 } }'

swarzynski · 2022-09-29 07:55:16 990
Unzip 25 zip files files at once
This is sample output - yours may be different.
3

find . -maxdepth 1 -name '*.zip' -print0 | xargs -0 -I {} -P 25 unzip {}

wuseman1 · 2022-11-20 14:07:44 456
Get line count for any file ending with extension recursively rooted at the current directory.
This is sample output - yours may be different.
2

find . -name "*.py" | xargs wc -l

rlotun · 2009-02-05 17:39:44 29
delete unversioned files in a checkout from svn
This is sample output - yours may be different.
2

svn st | grep "^\?" | awk "{print \$2}" | xargs rm -rf

l33tminion · 2009-02-10 21:15:23 11
Search inside a folder of jar/zip files

Great for finding which jar some pesky class is hiding in! Show Sample Output
This is sample output - yours may be different.
```
$ find . -name "*.jar" | xargs -tn1 jar tvf | grep --color "VirtualDirContext"
jar tvf ./catalina.jar
  4759 Fri Jul 20 04:17:30 BST 2007 org/apache/naming/resources/VirtualDirContext.class
```
2

find . -name "*.jar" | xargs -tn1 jar tvf | grep --color "SearchTerm"

unixmonkey1092 · 2009-02-16 17:18:36 782
find text in a file

this will find text in the directory you specify and give you line where it appears.
This is sample output - yours may be different.
2

find /directory/to/search/ -type f -print0 | xargs -0 grep "findtext"

dingobytes · 2009-02-17 07:16:32 8
Clean up after a poorly-formed tar file

These days, most software distributed in tar files will just contain a directory at the top level, but some tar files don't have this and can leave you with a mess of files in the current folder if you blindly execute tar zxvf something.tar.gz This command can help you clean up after such a mistake. However, note that this has the potential to do bad things if someone has been *really* nasty with filenames.
This is sample output - yours may be different.
2

tar ztf tar-lacking-subdirectory.tar.gz | xargs rm

mulad · 2009-02-19 00:34:09 10
Compress logs older than 7 days
This is sample output - yours may be different.
2

find /path/to/files -type f -mtime +7 | grep -v \.gz | xargs gzip

f4nt · 2009-02-21 15:57:05 8
sort through source to find most common authors
This is sample output - yours may be different.
2

find . -type f -name "*.java" -print0 | xargs -0 -n 1 svn blame | sed -n 's/^[^a-z]*$[a-z]*$.*$/\1/p' | sort | uniq -c | sort -n

Parker · 2009-02-23 22:24:41 6
Find out current working directory of a process
This is sample output - yours may be different.
2

echo COMMAND | xargs -ixxx ps -C xxx -o pid= | xargs -ixxx ls -l /proc/xxx/cwd

ento · 2009-02-25 05:49:03 8
Recursively Add Changed Files to Subversion

Extracted from http://www.howtogeek.com/wiki/Recursively_Add_Changed_Files_to_Subversion
This is sample output - yours may be different.
2

svn status | grep "^\?" | awk '{print $2}' | xargs svn add

miguelbaldi · 2009-04-13 18:37:58 6
Summarise the size of all files matching a simple regex

Use the find command to match certain files and summarise their total size in KBytes. Show Sample Output
This is sample output - yours may be different.
```
150000
```
2

find /path/to/my/files/ -type f -name "*txt*" | xargs du -k | awk 'BEGIN{x=0}{x=x+$1}END{print x}'

unixmonkey3280 · 2009-04-16 14:17:04 7
copies 20 most recently downloaded mp3 files (such as from Miro) into a directory

Change ~/tmp to the destination directory, such as your mounted media. Change -n20 to whatever number of files to copy. It should quit when media is full. I use this to put my most recently downloaded podcasts onto my phone.
This is sample output - yours may be different.
2

find . -name \*.mp3 -printf "%C+ %h/%f\n" | sort -r | head -n20 | awk '{print "\""$2"\""}' | xargs -I {} cp {} ~/tmp

bkinsey · 2009-05-17 07:06:10 4
Phrack 66 is out, but the .tar.gz is not there yet on phrack.org's website

Nice reading in the morning on the way to work, but sadly the .tar.gz for the whole issue 66 is not on phrack's website yet. So use wget to download.
This is sample output - yours may be different.
2

mkdir phrack66; (cd phrack66; for n in {1..17} ; do echo "http://www.phrack.org/issues.html?issue=66&id=$n&mode=txt" ; done | xargs wget)

masterofdisaster · 2009-06-11 21:42:42 5
Deleting Files from svn which are missing
This is sample output - yours may be different.
2

svn status | grep '!' | sed 's/!/ /' | xargs svn del --force

tarzantiger · 2009-06-20 13:01:07 6
Remove annoying files from recently extracted zip archive

Inspired by http://www.commandlinefu.com/commands/view/2573/remove-all-files-previously-extracted-from-a-tar.gz-file. .... yet for zip files
This is sample output - yours may be different.
2

unzip -lt foo.zip | grep testing | awk '{print $2}' | xargs rm -r

copremesis · 2009-07-08 00:13:10 9
get diskusage of files modified during the last n days

get diskusage of files (in this case logfiles in /var/log) modified during the last n days: sudo find /var/log/ -mtime -n -type f | xargs du -ch n -> last modified n*24 hours ago Numeric arguments can be specified as +n for greater than n, -n for less than n, n for exactly n. => so 7*24 hours (about 7 days) is -7 sudo find /var/log/ -mtime -7 -type f | xargs du -ch | tail -n1 Show Sample Output
This is sample output - yours may be different.
```
$ sudo find /var/log/ -mtime -7 -type f | xargs du -ch | tail -n1
25M     total

or

$ sudo find /var/log/ -mtime -7 -type f | xargs du -ch | grep total
25M     total
```
2

sudo find /var/log/ -mtime -7 -type f | xargs du -ch | tail -n1

alvinx · 2009-08-27 14:18:47 5
Ultimate current directory usage command

Based on the MrMerry one, just add some visuals and sort directory and files
This is sample output - yours may be different.
2

find . -maxdepth 1 -type d|xargs du -a --max-depth=0|sort -rn|cut -d/ -f2|sed '1d'|while read i;do echo "$(du -h --max-depth=0 "$i")/";done;find . -maxdepth 1 -type f|xargs du -a|sort -rn|cut -d/ -f2|sed '$d'|while read i;do du -h "$i";done

nickwe · 2009-09-03 20:33:21 5
Search for a <pattern> string inside all files in the current directory
This is sample output - yours may be different.
2

find . -type f -print0 | xargs -0 grep -i <pattern>

xelon · 2009-09-22 13:31:23 4
Counts number of lines (in source code excluding comments)

I took java to make the find command simpler and to state that it works for any language supported by cpp. cpp is the C/C++ preprocessor (interprets macros, removes comments, inserts includes, resolves trigraphs). The -fpreprocessor option tells cpp to assume the input has already been preprocessed so it will only replace comment lines with blank lines. The -L 1 option tells xargs to launch one process for each line, indeed cpp can only process one file at the time...
This is sample output - yours may be different.
2

find . -name '*.java' | xargs -L 1 cpp -fpreprocessed | grep . | wc -l

rbossy · 2009-10-29 09:58:43 9
Short Information about loaded kernel modules

Run this as root, it will be helpful to quickly get information about the loaded kernel modules. Show Sample Output
This is sample output - yours may be different.
```
# lsmod | cut -d' ' -f1 | xargs modinfo | egrep '^file|^desc|^dep' | sed -e'/^dep/s/$/\n/g'
filename:       /lib/modules/2.6.26-2-amd64/kernel/drivers/net/usb/cdc_ether.ko
description:    USB CDC Ethernet devices
depends:        usbnet

filename:       /lib/modules/2.6.26-2-amd64/kernel/drivers/net/usb/usbnet.ko
description:    USB network driver framework
depends:        mii
```
2

lsmod | cut -d' ' -f1 | xargs modinfo | egrep '^file|^desc|^dep' | sed -e'/^dep/s/$/\n/g'

mohan43u · 2009-11-17 02:13:34 3
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Benchmark SQL Query

Benchmark a SQL query against MySQL Server. The example runs the query 10 times, and you get the average runtime in the output. To ensure that the query does not get cached, use `RESET QUERY CACHE;` on top in the query file.

Run the last command as root

Same as `sudo !!`. If you do not have permission to be sudo or sudo does not installed on your system, you can use this.

Find directories under home directory with 777 permissions, change to 755, and list them on console

Get the current svn branch/tag (Good for PS1/PROMPT_COMMAND cases)

uses just one sed

detach remote console for long running operations

Starts midnightcommander and allows you to detach the console; use ctrl-\ to detach Then at a later time you can reconnect using $ dtach -a /tmp/wires-mc In my experience dtach works much better for programs like irssi, mutt, mc, aptitude than screen does.

Press ctrl+r in a bash shell and type a few letters of a previous command

In the sample output, I pressed ctrl+r and typed the letters las. I can't imagine how much typing this has saved me.

Search commandlinefu from the command line

There's probably a more efficient way to do this rather than the relatively long perl program, but perl is my hammer, so text processing looks like a nail. This is of course a lot to type all at once. You can make it better by putting this somewhere: $ clf () { (curl -d "q=$@" http://www.commandlinefu.com/search/autocomplete 2>/dev/null) | egrep 'autocomplete|votes|destination' | perl -pi -e 's/$/\n\n/g;s/^ +|\([0-9]+ votes,//g;s/^\//http:\/\/commandlinefu.com\//g'; } Then, to look up any command, you can do this: $ clf diff This is similar to http://www.colivre.coop.br/Aurium/CLFUSearch except that it's just one line, so more in the spirit of CLF, in my opinion.

Quick plotting of a function

The arguments of "seq" indicate the starting value, step size, and the end value of the x-range. "awk" outputs (x, f(x)) pairs and pipes them to "graph", which is part of the "plotutils" package.

looking for files not subversioned

En entornos de desarrollos muchas veces se mezclan ficheros y debemos revisar si algo se nos ha quedado fuera del proyecto. Con esta linea de comando busco todos los ficheros que no sean M ( modificados ) para valorar si tengo que agregarlo al repositorio de subversion. Adem?s siempre se me olvida como usar un condicional con awk para una columna :D

Use top to monitor only all processes with the same name fragment 'foo'

Like command 10870, but no need for sed

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Commands using xargs (769)

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