Commands using awk (1,420)
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* ps -ef # list running processes * grep string * pull the process names from 8th field * cut and delimiter '/' * print 4th field * get rid of trailing grep * for loop killall -9 $i which is the process name Show Sample Output
-3for i in `ps -ef | grep tracker | awk '{print $8}' | cut -d'/' -f4 | grep -v grep`; do killall -9 $i; done -
-3more blast.out| grep virus | awk '{print $1}' > virus_id.txt
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-3ifconfig -a | awk '/Bcast/{print $2}' | cut -c 5-19
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find . -maxdepth 1 -iname ".*" | awk 'NR >= 2' Can be used to list only dotfiles without . nor .. Show Sample Output
-3find directory -maxdepth 1 -iname "*" | awk 'NR >= 2' -
After this command you can review doit.sh file before executing it. If it looks good, execute: `. doit.sh`
-3find . | xargs grep -l "FOOBAR" | awk '{print "rm -f "$1}' > doit.sh -
Muestra el crecimiento de un archivo por segundo. Cambia el texto "FILE" por el nombre del archivo a monitorear. Comando LS + AWK Show Sample Output
-3while true; do A=$(ls -l FILE | awk '{print $5}'); sleep 1; B=$(ls -l FILE | awk '{print $5}'); echo -en "\r"$(($B-$A))" Bps"; done -
-4awk '{if (NR % 2 == 0) print $0}' file.txt
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-4accurev stat -M -fl | awk '{print "\"" $0 "\""}' | xargs accurev pop
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changes the PS1 to something better than default. [username.hostname.last-2-digits-of-ip] (current directory) Show Sample Output
-4newhostname=$(hostname | awk -F. '{print $1 "." $2}'); ipaddress=$(nslookup `hostname` | grep -i address | awk -F" " '{print $2}' | awk -F. '{print $3 "." $4}' | grep -v 64.142);PS1="[`id -un`.$newhostname.$ipaddress]"' (${PWD}): '; export PS1 -
Can pipe to tail or change the awk for for file size, groups, users, etc. Show Sample Output
-4ls -l|awk '{print $6,$8}'|sort -d -
Useful for removes a package and its depends, for example to remove the gnome desktop environment, also configuration files will be removed, you should be carefully and sure that you want to do this. Show Sample Output
-4sudo apt-get remove --purge `dpkg -l | awk '{print $2}' | grep gnome` && apt-get autoremove -
This command might not be useful for most of us, I just wanted to share it to show power of command line. Download simple text version of novel David Copperfield from Poject Gutenberg and then generate a single column of words after which occurences of each word is counted by sort | uniq -c combination. This command removes numbers and single characters from count. I'm sure you can write a shorter version. Show Sample Output
-4wget -q -O- http://www.gutenberg.org/dirs/etext96/cprfd10.txt | sed '1,419d' | tr "\n" " " | tr " " "\n" | perl -lpe 's/\W//g;$_=lc($_)' | grep "^[a-z]" | awk 'length > 1' | sort | uniq -c | awk '{print $2"\t"$1}' -
-4tokill=`ps -fea|grep process|awk '{ printf $2" "}'`; kill -9 $tokill;
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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 ----
-4ps -u $USER |grep $1 | awk '{ print $1}'| xargs kill -
manda la salida de un comando hacia un servicio de paste y coloca la url de ese paste en el portapapeles
-4(echo "" | xsel -o) ; (programa | wgetpaste -s dpaste | awk '{print $7}' | xsel -ai) -
-4awk 'NR==linenumber' filename
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Build an awk array with all commands and then select a random one at the end. This avoids spawning extra processes for counting with wc or generating random numbers. Explicitly call /bin/ls to avoid interactions with aliases.
-4man $(/bin/ls /bin | awk '{ cmd[i++] = $0 } END { srand(); print cmd[int(rand()*length(cmd))]; }') -
This command kills all wine instances and each EXE application working on a PC. Here is command info: 1) ps ax > processes = save process list to file named "processes" (we save it because we don't wont egrep to be found in the future) 2) cat processes | egrep "*.exe |*exe]" = shows the file "processes" and after greps for each *.exe and *exe] in it 3) | awk '{ print $1 }' > pstokill = saves processes PID's to file "pstokill" using awk filter 4) kill $(cat pstokill) = kills each PID in file pstokill, which is shown by cat program 5) rm processes && rm pstokill = removes temporary files Show Sample Output
-4ps ax > processes && cat processes | egrep "*.exe |*exe]" | awk '{ print $1 }' > pstokill && kill $(cat pstokill) && rm processes && rm pstokill -
netstat has two lines of headers: Active Internet connections (w/o servers) Proto Recv-Q Send-Q Local Address Foreign Address State Added a filter in the awk command to remove them
-4netstat -ntu | awk ' $5 ~ /^[0-9]/ {print $5}' | cut -d: -f1 | sort | uniq -c | sort -n -
Quick and dirty one-liner to get the average ping(1) time from a server. Show Sample Output
-4ping -qc 10 server.tld | awk -F/ '/^rtt/ {print $5}' -
# define user pid to kill PID=httpd ; # kill all pids ps aux | grep $PID | grep -v grep | awk '{print $2}' | xargs kill -9 Show Sample Output
-4PID=httpd ; ps aux | grep $PID | grep -v grep | awk '{print $2}' | xargs kill -9 -
Get the first IPv4 address of an interface Show Sample Output
-4ip a s eth0 | grep "inet " | head -n 1 | awk '{print $2}' | cut -f1 -d'/' -
Oneliner to get domain names list of all existing domain names (from wikipedia) Show Sample Output
-4curl http://en.m.wikipedia.org/wiki/List_of_Internet_top-level_domains | grep "<tr valign=\"top\">" | awk -F">" '{ print $5 }' | awk -F"<" '{ print $1 }' -
Did some research and found the previous command wrong, we don't kill a zombie but its parent. Just made some modifcation to khashmeshab's command.
-4ps -xaw -o state,ppid | grep Z | grep -v PID | awk '{ print $2 }' | xargs kill -9 -
This finds a process id by name, but without the extra grep that you usually see. Remember, awk can grep too!
-5ps aux | awk '/name/ {print $2}' - ‹ First < 54 55 56 57 >
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