Commands using grep sorted by votes

Commands using grep (1,935)

sorted by

Multiple open files and go directly to the line where some string is

Open all files which have some string go directly to the first line where that string is and run command on it. Other examples: Run vim only once with multiple files (and just go to string in the first one): grep -rl string_to_find public_html/css/ | xargs vim +/string_to_find Run vim for each file, go to string in every one and run command (to delete line): grep -rl string_to_find public_html/css/ | xargs -I '{}' vim +/string_to_find {} -c ":delete"
This is sample output - yours may be different.
-1

grep -rl string_to_find public_html/css/ | xargs -I '{}' vim +/string_to_find {} -c ":s/string_to_find/string_replaced"

algol · 2012-11-07 14:44:51 5
Arch Linux sort installed packages by size

This, like the other commands listed here, displays installed arch packages. Unlike the other ones this also displays the short description so you can see what that package does without having to go to google. It also shows the largest packages on top. You can optionally pipe this through head to display an arbitrary number of the largest packages installed (e.g. ... | head -30 # for the largest 30 packages installed) Show Sample Output
This is sample output - yours may be different.
```
 253888.00 KiB    wine    A compatibility layer for running Windows programs
 241743.00 KiB    libreoffice-common      common files for LibreOffice - a productivity suite that is compatible with other major office suites
 121212.00 KiB    openjdk6        Free Java environment based on OpenJDK 6.0 with IcedTea6 replacing binary plugs.
 108232.00 KiB    chromium        The open-source project behind Google Chrome, an attempt at creating a safer, faster, and more stable browser
```
-1

pacman -Qi | grep 'Name\|Size\|Description' | cut -d: -f2 | paste - - - | awk -F'\t' '{ print $2, "\t", $1, "\t", $3 }' | sort -rn

GetterNoCheddar · 2012-11-20 03:40:55 8
Print the local ip on a wireless connection

On wired connections set 'eth0' instead of 'wlan0'
This is sample output - yours may be different.
-1

sudo ifconfig wlan0 | grep inet | awk 'NR==1 {print $2}' | cut -c 6-

mouths · 2013-02-18 14:10:07 8
Get Top Trending Topic on Twiter by location

In these command i use lynx to get the top trend topic of Mexico, if you replace Mexico with other country, you will get the #1 Trending topic
This is sample output - yours may be different.
-1

lynx --dump http://en.trending-topic.com/countries/Mexico/ | grep "62]#" | sed 's/\[62\]//g'

xmuda · 2013-03-12 16:25:14 4
Open Port Check

Open Port Check
This is sample output - yours may be different.
-1

netstat -an | grep --color -i -E 'listen|listening'

opexxx · 2013-03-19 08:53:47 6
Purgue foreing architecture packages on debian
This is sample output - yours may be different.
-1

dpkg -l |grep i386 | awk '{ print "apt-get -y remove --purge "$2 }' | sh

rubenmoran · 2013-03-23 19:19:24 5
Easily find an old command you run
This is sample output - yours may be different.
-1

cat $HISTFILE | grep command

Stolas · 2013-05-01 13:11:05 7
umount --rbind mount with submounts

set CDIR for it to work right..
This is sample output - yours may be different.
-1

for i in `cat /proc/mounts | awk '{print $2}' | grep ${CDIR} |sort -r` ; do umount $i; done

mordjah · 2013-05-07 23:46:27 5
check to see what is running on a specific port number
This is sample output - yours may be different.
-1

sudo netstat -tulpn | grep :8080

BU5T4 · 2013-07-30 13:10:50 8
Grep for text within all files in a folder structure
This is sample output - yours may be different.
-1

grep --color -R "text" directory/

jmorganwalker · 2013-09-13 18:55:22 6
Processes biglion quantity of sold ebay coupons/bonus codes

Processes biglion quantity of sold ebay coupons/bonus codes, so you can know approximate count of users who buyed the coupons and when sales are come up again. You can change sleep parameter so script will work slowly or faster (default is 5 seconds). Additional requirements: curl Standart tools used: awk, date, cat, grep (bash) Show Sample Output
This is sample output - yours may be different.
```
Fri Nov  8 12:32:03 UTC 2013
9518

Fri Nov  8 12:32:08 UTC 2013
9518
```
-1

while true; do date; (curl -s -o 1.html http://www.biglion.ru/deals/ebay-80/ &); sleep 5; cat 1.html | grep "купонов" | awk -F"<div>" '{print $2}' | awk -F"<span>" '{print $1}'; done

sxiii · 2013-11-08 12:40:05 7
Show's the main headline from drudgereport.com
This is sample output - yours may be different.
-1

curl -s http://www.drudgereport.com | sed -n '/<! MAIN HEADLINE>/,//p' | grep -oP "(?<=>)[^<].*[^>](?=<)"

jaketeater · 2013-11-27 16:21:47 7
Get current stable kernel version string from kernel.org

Fetches latest stable release version from first entry between tags Show Sample Output
This is sample output - yours may be different.
```
3.12.5
```
-1

curl -s -k https://www.kernel.org/feeds/kdist.xml | sed -n -e 's@.*<guid>$.*$</guid>.*@\1@p' | grep 'stable' | head -1 | awk -F , '{print $3}'

Wafelijzer · 2013-12-17 23:59:27 7
Sort files in $PWD by year embedded anywhere in filename
This is sample output - yours may be different.
-1

ls --color=never -1| grep -E "[0-9]{4}"|sed -re "s/^(.*)([0-9]{4})(.*)$/\2 \1\2\3/" | sort -r

ysangkok · 2014-01-04 20:50:12 9
Uninstall all gems

This command removes all ruby gems except the default ones that can not be removed. It is based on http://geekystuff.net/2009/01/14/remove-all-ruby-gems/
This is sample output - yours may be different.
-1

gem list | cut -d" " -f1 | grep --invert-match "test-unit\|psych\|io-console\|rdoc\|json\|bigdecimal\|rake\|minitest" | xargs gem uninstall -aIx

gdelfino · 2014-01-10 10:58:59 9
Move all epub keyword containing files to Epub folder
This is sample output - yours may be different.
-1

IFS=$(echo -en "\n\b"); mkdir Epub; for i in `find . | grep epub`; do echo "epub: $i"; mv -v "$i" Epub; done

Wafelijzer · 2014-01-13 20:39:58 8
find and output files content with filtering by filename and specific string
This is sample output - yours may be different.
-1

find . -name *.properties -exec /bin/echo {} \; -exec cat {} \; | grep -E 'listen|properties'

altern · 2014-02-17 02:25:49 7
A simple way find total Memory capacity of the system

Show Sample Output
This is sample output - yours may be different.
```
Memory: 192 GB
```
-1

echo "Memory:" $(dmidecode --type memory | grep " MB" | awk '{sum += $2; a=sum/1024} END {print a}') "GB"

bp · 2014-02-18 06:20:34 9
Btrfs: Find file names with checksum errors

Btrfs reports the inode numbers of files with failed checksums. Use `find` to lookup the file names of those inodes.
This is sample output - yours may be different.
-1

dmesg | grep -Po 'csum failed ino\S* \d+' | sort | uniq | xargs -n 3 find / -inum 2> /dev/null

Sepero · 2014-03-20 06:27:15 10
Parse logs for IP addresses and how many hits from each IP
This is sample output - yours may be different.
-1

cat "log" | grep "text to grep" | awk '{print $1}' | sort -n | uniq -c | sort -rn | head -n 100

jmorganwalker · 2014-07-08 15:07:24 10
ps to show child thread PIDs
This is sample output - yours may be different.
-1

ps -efL | grep <Process Name>

tsener · 2014-09-11 16:35:31 8
Merge only certain pdfs in a directory
This is sample output - yours may be different.
-1

gs -dNOPAUSE -sDEVICE=pdfwrite -sOUTPUTFILE=merged.pdf -dBATCH `ls | grep foo`

Arasithil · 2014-09-19 16:00:32 8
open a random pirate bay mirror site

polls the pirate bay mirrors list and chooses a random site and opens it for you in firefox
This is sample output - yours may be different.
-1

url=`curl http://proxybay.info/ | awk -F'href="|" |">|</' '{for(i=2;i<=NF;i=i+4) print $i,$(i+2)}' | grep follow|sed 's/^.\{19\}//'|shuf -n 1` && firefox $url

dunryc · 2014-10-04 19:08:13 8
Find a process by name and automatically kill it
This is sample output - yours may be different.
-1

ps aux | grep name | grep -v grep | awk '{print $2}' | xargs kill -9

unixmonkey84604 · 2014-11-11 09:19:24 8
Search count how many times a character or string is present into a file
This is sample output - yours may be different.
-1

grep -o 'pattern' | wc -l

ttrh · 2014-12-17 14:30:42 8
‹ First < 65 66 67 68 69 > Last ›

What's this?

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

Share Your Commands

Check These Out

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)

Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

Convert CSV to JSON

Replace 'csv_file.csv' with your filename.

Console clock

You will see it on the corner of your running terminal.

View network activity of any application or user in realtime

The "-r 2" option puts lsof in repeat mode, with updates every 2 seconds. (Ctrl -c quits) The "-p" option is used to specify the application PID you want to monitor. The "-u' option can be used to keep an eye on a users network activity. "lsof -r 2 -u username -i -a"

Print all git repos from a user (only curl and grep)

Which processes are listening on a specific port (e.g. port 80)

swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Create a 100MB file for testing transfer speed

Exit mc with 2 keystrokes

For those who like to hit instead of typing "exit" to leave the shell and find it annoying that it doesn't work in Midnight Commander, just press to switch to the subshell and now you can leave with

Which processes are listening on a specific port (e.g. port 80)

swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Unite pdf files

pdfunite is a part of the poppler-utils. poppler-utils package is only 150KB. The alternative - pdftk package is 14MB! Install poppler-utils if you need simple pdf operation commands like unite, separate, info, text/html conversions

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:

» all commands
» commands with 3 up-votes (commandlinefu3)
» commands with 10 up-votes (commandlinefu10)
» commands using grep

Commands using grep (1,935) the last day the last week the last month all time sorted by date votes

What's this?

Check These Out

Stay in the loop…

Commands using grep (1,935)

sorted by