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Commands using grep from sorted by
Terminal - Commands using grep - 1,595 results
wget `lynx -dump http://www.ebow.com/ebowtube.php | grep .flv$ | sed 's/[[:blank:]]\+[[:digit:]]\+\. //g'`
2009-08-02 14:09:53
User: spaceyjase
Functions: grep sed wget
Tags: bash sed wget grep lynx flv
3
Up
Down
Grab all .flv files from a webpage to the current working directory

I wanted all the 'hidden' .flv files from the http link in the command line; wget seemed appropriate, fed with output from lynx, grep the flv files and the normalised via sed (to remove the numeric bullet). Similar to the 'Grab mp3 files' fu. Replace link with your own, grep arg with something more interesting ;) See here for something along the same lines...

http://www.commandlinefu.com/commands/view/1006/grab-mp3-files-from-your-favorite-netcasts-mp3blog-or-sites-that-often-have-good-mp3s

Hope you find it useful! Improvements welcome, naturally.

Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
net=DTAG-DIAL ; for (( i=1; i<30; i++ )); do whois -h whois.ripe.net $net$i | grep '^inetnum:' | sed "s;^.*:;$net$i;" ; done
2009-08-01 05:28:19
User: drizzt
Functions: grep sed whois
Tags: whois inetnum netname ripe
1
Up
Down
Query ip pools based on successive netnames via whois

Useful if you f.i. want to block/allow all connections from a certain provider which uses successive netnames for his ip blocks. In this example I used the german Deutsche Telekom which has DTAG-DIAL followed by a number as netname for the dial in pools.

There are - as always ;) - different ways to do this. If you have seq available you can use

net=DTAG-DIAL ; for i in `seq 1 30`; do whois -h whois.ripe.net $net$i | grep '^inetnum:' | sed "s;^.*:;$net$i;" ; done

or without seq you can use bash brace expansion

net=DTAG-DIAL ; for i in {1..30}; do whois -h whois.ripe.net $net$i | grep '^inetnum:' | sed "s;^.*:;$net$i;" ; done

or if you like while better than for use something like

net=DTAG-DIAL ; i=1 ; while true ; do whois -h whois.ripe.net $net$i | grep '^inetnum:' | sed "s;^.*:;$net$i;" ; test $i = 30 && break ; i=$(expr $i + 1) ; done

and so on.

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netstat -ant | grep :80 | grep ESTABLISHED | awk '{print $5}' | awk -F: '{print $1}' | sort | uniq -c | sort -n
2009-07-31 18:28:16
User: garchacesaug
Functions: awk grep netstat sort uniq
3
Up
Down
Show in a web server, running in the port 80, how many ESTABLISHED connections by ip it has.

The command could show you all conecctions if you skip "grep ESTABLISHED"

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
grep -E ":(`cat bnd-ips.txt | sed 's/\./\\./g' | tr '\n' '|'`)" access.log
2009-07-30 12:54:55
User: Cowboy
Functions: grep
0
Up
Down
Search for specific IPs taken form a text file within the apache access log

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

Comments (3) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat /proc/net/ip_conntrack | grep ESTABLISHED | grep -c -v ^#
2009-07-29 20:21:25
User: flamarion
Functions: cat grep
Tags: cat grep shell
3
Up
Down
Count all conections estabilished on gateway
Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
dpkg --get-selections | grep -v deinstall | cut -f 1
2009-07-29 14:37:36
User: odoepner
Functions: cut grep
1
Up
Down
List all installed Debian packages

Should work on all systems that use dpkg and APT package management.

Show sample output | Comments (3) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
ipconfig getpacket en0 | grep yi| sed s."yiaddr = "."en0: ". ipconfig getpacket en1 | grep yi| sed s."yiaddr = "."en1: ".
2009-07-29 12:10:32
User: swormley
Functions: grep sed
Tags: Linux perl ifconfig
0
Up
Down
Get all IPs via ifconfig
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
find . -iname '*filename*.doc' | { while read line; do antiword "$line"; done; } | grep -C4 search_term;
2009-07-28 15:49:58
User: Ben
Functions: find grep read
Tags: find grep antiword Word catdoc
3
Up
Down
find and grep Word docs

Find Word docs by filename in the current directory, convert each of them to plain text using antiword (taking care of spaces in filenames), then grep for a search term in the particular file.

(Of course, it's better to save your data as plain text to make for easier grepping, but that's not always possible.)

Requires antiword. Or you can modify it to use catdoc instead.

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find . *oldname* | grep oldname | perl -p -e 's/^(.*)(oldname)(.*$)/mv $1$2$3 $1newname$3/' | sh
2009-07-26 01:22:24
User: pravus
Functions: find grep perl
1
Up
Down
Recursive replace of directory and file names in the current directory.

This should work anywhere perl and grep is available. :P

Comments (3) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
DD=`cat /etc/my.cnf | sed "s/#.*//g;" | grep datadir | tr '=' ' ' | gawk '{print $2;}'` && ( cd $DD ; find . -mindepth 2 | grep -v db\.opt | sed 's/\.\///g; s/\....$//g; s/\//./;' | sort | uniq | tr '/' '.' | gawk '{print "CHECK TABLE","`"$1"`",";";}' )
2009-07-25 03:42:31
User: atcroft
Functions: cd find gawk grep sed sort tr uniq
-1
Up
Down
Generate CHECK TABLE statements for all MySQL database tables on a server

This command will generate "CHECK TABLE `db_name.table_name` ;" statements for all tables present in databases on a MySQL server, which can be piped into the mysql command. (Can also be altered to perform OPTIMIZE and REPAIR functions.)

Tested on MySQL 4.x and 5.x systems in a Linux environment under bash.

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ifconfig | grep "inet [[:alpha:]]\+" | cut -d: -f2 | cut -d' ' -f2
2009-07-24 13:16:37
User: feraf
Functions: cut grep ifconfig
Tags: Linux ifconfig
-6
Up
Down
Get all IPs via ifconfig

Get the IP address of all your network cards.

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
ifconfig | grep "inet addr" | cut -d: -f2 | cut -d' ' -f1
2009-07-24 09:39:19
User: trungtm
Functions: cut grep ifconfig
Tags: Linux ifconfig
-2
Up
Down
Get all IPs via ifconfig
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
ip addr|grep "inet "
2009-07-22 07:38:06
User: RickDeckardt
Functions: grep
-3
Up
Down
Read just the IP address of a device

Shows a single line per interface (device), with its IPv4 settings.

Shorter command, better readability in output.

Show sample output | Comments (4) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
curl -u 'username' https://api.del.icio.us/v1/posts/all | sed 's/^.*href=//g;s/>.*$//g;s/"//g' | awk '{print $1}' | grep 'http'
2009-07-22 07:32:59
User: bubo
Functions: awk grep sed
2
Up
Down
get delicious bookmarks on your shell (text version :-))

a variation of avi4now's command - thanks by the way!

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
/sbin/ifconfig | grep inet | cut -f 2 -d ":" | cut -f 1 -d " " |egrep -v "^$"
2009-07-22 07:27:54
User: giray
Functions: cut egrep grep
-1
Up
Down
Read just the IP address of a device

to clean up the extra lines

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
while true ; do IFS="" read i; echo "$i"; sleep .01; done < <(tr -c "[:digit:]" " " < /dev/urandom | dd cbs=$COLUMNS conv=unblock | GREP_COLOR="1;32" grep --color "[^ ]")
2009-07-22 03:59:07
User: friedchuckles
Functions: dd echo grep read sleep tr true
Tags: color
2
Up
Down
Matrix Style

Same as above but slooooow it down

Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
/sbin/ifconfig | grep inet | cut -f 2 -d ":" | cut -f 1 -d " "
2009-07-21 21:42:04
User: random_bob
Functions: cut grep
-1
Up
Down
Read just the IP address of a device

another way to output the IP address' of the system

Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
for i in `git log --all --oneline --format=%h`; do git grep SOME_STRING $i; done
2009-07-21 19:14:51
User: mad
Functions: grep
Tags: git
1
Up
Down
search string in _all_ revisions
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
/sbin/ifconfig eth0 | grep "inet addr" | sed -e 's/.*inet addr:\(.*\) B.*/\1/g'
2009-07-21 14:10:39
User: digitalmechanic
Functions: grep sed
Tags: IP
-2
Up
Down
Read just the IP address of a device
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat `whereis mysqlbug | awk '{print $2}'` | grep 'CONFIGURE_LINE='
2009-07-21 07:44:27
User: numbata
Functions: awk cat grep
Tags: mysql
0
Up
Down
Determine configure options used for MySQL binary builds
Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
ps -u $USER |grep $1 | awk '{ print $1}'| xargs kill
2009-07-20 10:06:32
User: buffer
Functions: awk grep ps xargs
-4
Up
Down
Kill a process with its name

Well this can come handy , when you don't feel like playing with pid rather if you know

the process name say "firefox",it would kill it.The script given below would kill the process with its name given as first parameter , though not robust enough to notify that process doesn't exist , well if you know what you are doing that's wouldn't be a problem.:)

----

killhim.sh

----

#!/bin/bash

ps -u $USER |grep $1 | awk '{ print $1}'| xargs kill

----

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lsof -i -n -P | grep :80
2009-07-17 15:56:19
User: reeyuk
Functions: grep
0
Up
Down
what?s running on a given port on your machine?
Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
grep -Ir foo *
2009-07-17 15:30:10
User: libdave
Functions: grep
0
Up
Down
recursive grep of text files

short command to find a string in all text files in all subdirectories, excluding all files grep does not deem text files.

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$ grep -or string path/ | wc -l
2009-07-16 12:50:59
User: ioggstream
Functions: grep wc
Tags: awk grep cut arithmetic
9
Up
Down
count how many times a string appears in a (source code) tree

grep -o puts each occurrence in a separate line

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while true; do netstat -p |grep "tcp"|grep --color=always "/[a-z]*";sleep 1;done
2009-07-16 04:52:49
User: buffer
Functions: grep netstat
-4
Up
Down
Monitor Applications application that are connected/new connections

The -p parameter tell the netstat to display the PID and name of the program to which each socket belongs or in digestible terms list the program using the net.Hope you know what pipe symbol means!

Presently we wish to only moniter tcp connections so we ask grep to scan for string tcp, now from the op of grep tcp we further scan for regular expression /[a-z]*.

Wonder what that means ?

If we look at the op of netstat -p we can see that the name of the application is preceded by a / ( try netstat -p ) so,now i assume application name contains only characters a to z (usually this is the case) hope now it makes some sense.Regular expression /[a-z]* means to scan a string that start with a / and contains zero or more characters from the range a-z !!. Foof .. is t

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