Commands using xargs sorted by votes

Commands using xargs (769)

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Halt all running vagrants (virtualboxes)
This is sample output - yours may be different.
0

vboxmanage list runningvms | cut -d \" -f 2 | xargs -I % vboxmanage controlvm % poweroff

magoon · 2013-11-05 16:58:03 7
Search ruby-files with non-ascii character, but without encoding directive

Show Sample Output
This is sample output - yours may be different.
```
app/models/foo.rb
```
0

grep -l --include '*.rb' --include '*.rake' '^[^#]*[^a-zA-Z0-9[:punct:][:space:]]' -R . | xargs -L1 awk '!/encoding/ && NR < 2 { print FILENAME }'

numbata · 2013-11-13 21:41:42 6
Remove all older kernels then the current running kernel for Ubuntu/Debian base system
This is sample output - yours may be different.
0

export KEEP_KERNEL=2; dpkg -l 'linux-image*' | awk '/^ii/ { print $2 }' | grep "[0-9]" | awk 'BEGIN{i=1}{print i++, $0}' | grep `uname -r` -B99 | sort -r | tail -n+$(($KEEP_KERNEL+2)) | awk '{print $2}'| xargs apt-get -y purge

The_IceMan_Blog · 2013-11-23 15:35:42 7
find css or js files, minifiy with in-path-yuicompressor, gzip output, and save into <static-file>.gz
This is sample output - yours may be different.
0

find -regextype posix-egrep -regex '.*\.(css|js)$' | xargs -I{} sh -c "echo '{}' && yuicompressor '{}' | gzip -c > '{}.gz'"

frankowp · 2013-12-14 20:27:47 8
Count music files in each directory

This lists the number of ogg/mp3/wav/flac files in each subdirectory of the current directory. The output can be sorted by piping it into "sort -n". Show Sample Output
This is sample output - yours may be different.
```
9955 .
82 ./16 Horsepower
17 ./17 Hippies
11 ./Abney Park
44 ./AC DC
10 ./Accept
1 ./Acceptance
9 ./Adiemus
6 ./Bran? Ketern?
10 ./Budapest Gypsy Symphony Orchestra
20 ./Budapester Klezmer Band
35 ./Buena Vista Social Club
12 ./Burlap To Cashmere
```
0

find . -type d -maxdepth 1 -print0 | xargs -0 -I{} sh -c 'find "{}" -type f | grep "ogg\|mp3\|wav\|flac$" | wc -l | tr -d "\n"; echo " {}"'

dbrgn · 2013-12-22 13:40:29 11
Open current wallpaper on nautilus file-manager (change file-manager name for others)

Getting current wallpaper on nautilus file-managers
This is sample output - yours may be different.
0

gsettings get org.gnome.desktop.background picture-uri | xargs nautilus

mikeit · 2014-01-19 20:36:36 6
Remove files unpacked by unzip
This is sample output - yours may be different.
0

zipinfo -1 aap.zip | xargs -d '\n' rm

JIghtuse · 2014-01-22 07:00:25 10
get md5sum for all files, skipping svn directories

recurse through all files, get the message hash, flip the output as filename, hash value Show Sample Output
This is sample output - yours may be different.
```
/appl/hdcdw/cntl/CDINadSrc.fld  2b90c02cf391872e330001d2bdf28315
/appl/hdcdw/cntl/CDIUcsSearsSrc.fld     9ca2dd125a0785fe8cd4c2b9d67109dc
/appl/hdcdw/cntl/CDI_StatsAcxiom.fload  0d31df4ebf16aa99e9bd00ad85c3e813
/appl/hdcdw/cntl/DailyETLMailList.dat   6fb4e9c1ceb50024a31bc9969eb3ed80
```
0

find $1 -not -iwholename "*.svn*" -type f | xargs md5sum | awk '{print $2 "\t" $1}'

dronamk · 2014-02-12 19:04:08 6
bzip2 all files in a directory older than 1 week (nicely)
This is sample output - yours may be different.
0

find /logdir -type f -mtime +7 -print0 | xargs -0 -n 1 nice -n 20 bzip2 -9

rootninja · 2014-02-12 19:35:09 6
Get block device mapped parent PCI controller

Maps block devices to the PCIe nodes
This is sample output - yours may be different.
0

udevadm info -q all -n /dev/sdb | grep ID_PATH | cut -d'-' -f 2 | xargs -n 1 lspci -s

bp · 2014-02-18 06:23:39 7
Search and replace multiple files with substitution

Does a search and replace across multiple files with a subgroup replacement.
This is sample output - yours may be different.
0

find . -name "*.txt" | xargs -n 1 perl -pi -w -e "s/text([0-9])/other\$1/g;"

kennethjor · 2014-02-28 06:38:38 6
look some php code by some keywords

Another way to view some code by keyword and basic regular expression
This is sample output - yours may be different.
0

locate *\\.php|xargs grep --color=always -i -5 "namespace\s.*\W"|less

unixmonkey14859 · 2014-02-28 13:52:15 7

Show all symlinks

shows you the symlinks in the current directory, recursively, but without following them Show Sample Output

find ./ -type l -print0 | xargs -0 ls -plah

jmorganwalker · 2014-03-20 20:36:39 7

Get MAC ID linux command line

Many tasks need mac id check. above command exactly do the same Show Sample Output
This is sample output - yours may be different.
```
001D292B2668
```
0

ifconfig |grep HWaddr |cut -d ' ' -f 1,11 |grep eth0 |cut -d ' ' -f 2|xargs | awk -F':' '{ print $1$2$3$4$5$6 }'

simplewall · 2014-04-25 18:43:47 13
Generate SHA1 hash for each file in a list
This is sample output - yours may be different.
0

find . -regex ".*$avi\|mp4\|wmv$$" -print0 | xargs -0 sha1sum

hochmeister · 2014-05-07 05:45:12 8
Open (in vim) all modified files in a git repository

Works even with spaces in filenames. As an alias in .gitconfig: [alias] editchanged = "!git status --porcelain | sed -ne 's/^ M //p' | tr '\\n' '\\0' | tr -d '\"' | xargs -0 vim"
This is sample output - yours may be different.
0

git status --porcelain | sed -ne 's/^ M //p' | tr '\n' '\0' | tr -d '"' | xargs -0 vim

uschrisf · 2014-05-08 08:36:27 7

find svn uncommitted files and list their properties

Find all files in SVN workspace directories which are uncommitted. List them and find their properties Show Sample Output

for d in `ls -d *`; do svn status $d | awk '{print $2}'; done | xargs ls -l {} \;

dronamk · 2014-05-27 19:07:45 19

extracting the email-server's ip-address.
This is sample output - yours may be different.
0

dig MX example.com +short | cut -d' ' -f2 | sed '1q;d' | xargs dig +short

x1b2j · 2014-06-03 11:11:39 7
Find directories in pwd, get disk usage, sort results
This is sample output - yours may be different.
0

find . -type d -d 1 -print0 | xargs -0 du -sm | sort -nr

hochmeister · 2014-06-05 22:00:45 8
Get the total length of all videos in the current dir in H:m:s

Use case insensitive regex to match files ending in popular video format extensions and calculate their total time. (traverses all files recursively starting from the current directory) Show Sample Output
This is sample output - yours may be different.
```
203:11:32
```
0

find -type f -iregex '.*\.$mkv\|mp4\|wmv\|flv\|webm\|mov\|dat\|flv$' -print0 | xargs -0 mplayer -vo dummy -ao dummy -identify 2>/dev/null | perl -nle '/ID_LENGTH=([0-9\.]+)/ && ($t +=$1) && printf "%02d:%02d:%02d\n",$t/3600,$t/60%60,$t%60' | tail -n 1

powerinside · 2014-06-07 15:50:41 6
Append html-extension to all files in a directory structure that contains html-code.
This is sample output - yours may be different.
0

find . |xargs grep '<html\|<body\|<table' |sed '/~/d;s/:.*//' |sed 's/.*/mv & &.html/' |uniq >run.sh; sh run.sh

mobluse · 2014-07-09 19:20:40 13
Check CRL expiration time

Downloads a CRL file, determines the expiration time, and checks when it will expire Show Sample Output
This is sample output - yours may be different.
```
OK
```
0

[ `curl 'http://crl.godaddy.com/gds5-16.crl' 2>/dev/null | openssl crl -inform DER -noout -nextupdate | awk -F= '{print $2}' | xargs -I{} date -d {} +%s` -gt `date -d '8 hours' +%s` ] && echo "OK" || echo "Expires soon"

hufman · 2014-08-07 17:18:38 8
Docker - delete all non-running container
This is sample output - yours may be different.
0

docker ps -a | grep 'Exit' | awk '{print $1}' | xargs docker rm

j0hnb · 2014-09-19 15:23:42 8
Docker - delete unused images
This is sample output - yours may be different.
0

docker images | grep '' | awk '{print $3}' | xargs docker rmi

j0hnb · 2014-09-19 15:24:12 25
rename files (in this case pdfs) numerically in date order

Caution: distructive overwrite of filenames Useful for concatenating pdfs in date order using pdftk
This is sample output - yours may be different.
0

find . -name "*.pdf" -print0 | xargs -r0 stat -c %y\ %n | sort|awk '{print $4}'|gawk 'BEGIN{ a=1 }{ printf "mv %s %04d.pdf\n", $0, a++ }' | bash

Randy_Legault · 2014-09-23 06:40:45 9
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get function's source

no need to reinvent the wheel. Thanks to the OP for the "obsolete" hint. 'declare' may come in pretty handy on systems paranoid about "up-to-dateness"

Create multiple mp4 files using avidemux

Convert multiple files using avidemux. Version updated (thanks to the guys who helped me giving me hints about how to improve the command). Works with files whose name contains blank characters. One of the reasons why I love open source: everyone can take something "done" and improve it to make it better! If u have suggestions, please let me know.

Get AWS temporary credentials ready to export based on a MFA virtual appliance

You might want to secure your AWS operations requiring to use a MFA token. But then to use API or tools, you need to pass credentials generated with a MFA token. This commands asks you for the MFA code and retrieves these credentials using AWS Cli. To print the exports, you can use: `awk '{ print "export AWS_ACCESS_KEY_ID=\"" $1 "\"\n" "export AWS_SECRET_ACCESS_KEY=\"" $2 "\"\n" "export AWS_SESSION_TOKEN=\"" $3 "\"" }'` You must adapt the command line to include: * $MFA_IDis ARN of the virtual MFA or serial number of the physical one * TTL for the credentials

Recursive chmod all *.sh files within the current directory

This command is useful to recursively make executable all "*.sh" files in a folder. This command is useful to apply chmod recursively in a determined kind of file.

Find usb device in realtime

Using this command you can track a moment when usb device was attached.

Run a bash script in debug mode, show output and save it on a file

Follow the most recently updated log files

This command finds the 5 (-n5) most frequently updated logs in /var/log, and then does a multifile tail follow of those log files. Alternately, you can do this to follow a specific list of log files: sudo tail -n0 -f /var/log/{messages,secure,cron,cups/error_log}

Check if you partition are aligned

To get most of you HDD/SSD driver you need to make sure you partition are aligned, if not the speed penalty can be up to 50% slower! this simple one liner will check to see if each partition start sector is divided by 512 you need to change sda with your driver if you find the one of your partitions is not aligned use gparted to move the start sector of the partition to be divided of 512

Google URL shortener

Shorter and made into a function.

ASCII webcam live stream video using mplayer

Mplayer starts a webcam capture using ASCII art. Only mplayer required

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Commands using xargs (769)

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