Commands using grep (1,935)
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Obtener nombre de dominio de un archivo Show Sample Output
0grep -oP '(?<=www\.)\s?[^\/]*' file | uniq -
0iwlist wlo1 scan | grep ESSID
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0wget `curl -s <podcast feed URL> | grep -o 'https*://[^"]*mp3' | head -1`
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0for i in (aws s3api list-buckets --query "Buckets[].Name" | cut -d"," -f1 | grep -vE "\[|\]"); echo $i ; aws s3api get-bucket-policy --bucket (echo $i | xargs); end
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0ps -ef |grep oracle |grep pmon |awk '{print $2}' |xargs -I {} ps eww {} |grep pmon |grep -v grep |awk '{print $5 " " $6 " " $0}' |sed 's/\(S*\) \(S*\) .*ORACLE_HOME/\1 \2/g' |cut -f1,2,3 -d" " 2010-03-23 20:36:59 User:
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0grep "^[^#;]" /etc/php.ini
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0grep "^[A-Za-z0-9]\{6\}$" myfile.txt
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Plenty of commands out there for finding external IP, but sometimes getting the [internal] IP bound to the NIC handling Internet traffic is useful. Probably not production worthy, but a useful quick kludge. Assumes IPv4 and no fancy routing. Show Sample Output
0ifconfig $(route -n |grep -m1 -e ^'0\.0\.\0\.0' |awk '{print $NF}') |grep 'inet addr' |awk '{print $2}' |sed 's/addr://1' -
0cat *pound* | grep someURL.com | awk '{print $7}'| uniq -c | sort -bgr >> uniqueIPwC.txt
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The classical 'ps aux | grep' can do this with one more parameter, the '-v', with means 'NOT' to grep.
0ps aux | grep -v name_you_want_to_hide -
0AWS_DEFAULT_REGION="sa-east-1" jungle ec2 ls | grep midas | sort | cut -f4 | xargs -I {} ssh ubuntu@{} sudo apt-get install ntp -y
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0git branch -a | grep "remotes/origin" | grep -v master | sed 's/^[ *]*//' | sed 's/remotes\/origin\///' | head -n10 | sed 's/^/git push origin :/' | bash
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I wanted to count and display the top directories containing JavaScript files in some of my project. Here it is. Maybe it can be written to more simply syntax by using find -exec...
0for f in `find . -type d`; do pushd . > /dev/null ; echo -e `cd $f ; find . -name \*\.js | wc -l` "\t" $f | grep -v ^0 ; popd >/dev/null; done | sort -n -k 1 -r | less -
grep can count by itself, wc -l is not always necessary (depends on the grep implementation). Show Sample Output
0grep -cE "^processor" /proc/cpuinfo -
0tail -f some_log_file.log | grep --line-buffered the_thing_i_want
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This useful command will help to detect bitrate of each audio file in folder where it will run for. Show Sample Output
0find . -print0 | xargs -0 -I{} ffmpeg -i "{}" 2>&1 | grep "kb\/s\|Input" -
0tail -f some_log_file.log | grep the_thing_i_want
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"-F" will continue tailing if file is closed and another file opened with same name. This is handy for tailing log files that segment while watching them without having to issue the command again.
0tail -F some_log_file.log | grep the_thing_i_want -
0tail -F some_log_file.log | grep --line-buffered the_thing_i_want
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Finds javascript lodash/underscore methods in source code. It's not perfect as can be ascertained from the last entry in the output. Would be interested if somebody improves this. Show Sample Output
0find . -name "*.js" | xargs grep -oh '_\.[^(]*' | sort | uniq -
No need for find ? grep can do it on its own.
0grep -roh '_\.[^(]*' *.js -
0ps -eo pcpu,pmem,cmd | grep Service| grep -v grep| sort -k 1 -nr | head -5
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0clear && curl --silent http://www.commandlinefu.com/commands/by/dunryc | grep "div class" | grep command |tr '>' '\n' | grep -v command |sed 's/.....$//'
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0clear && sleep 5s && curl --silent "http://www.commandlinefu.com/commands/by/dunryc" | grep '<div class="command">'|sed 's/......$//'|sed 's/^.....................................//'|recode html..ascii|awk 'ORS="\n\n\n\n"'
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0zypper lp | awk '$5=="security" { print "zypper install -y -n -t patch "$3}' | grep -v "needed" | sh +x
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