Commands tagged grep (409)
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-sl : show just file names
0find . -iname '*.conf' | xargs grep "searh string" -sl -
Fast and excludes words with apostrophes. For ubuntu, you can use wamerican or wbritish dictionaries, installable through aptitude. Show Sample Output
0echo $(cat /usr/share/dict/words |grep -v "'"|shuf -n4) -
Helps if you accidentally deleted files from an svn repo with plain rm and you would like to mark them for svn to delete too.
0svn status|grep -iR '^!'|sed 's/!/ /g'|xargs -i svn rm '{}' -
since awk was already there one can use it instead of the 2 greps. might not be faster, but fast enough
0apt-get remove $(dpkg -l | awk "/^ii linux-(image|headers)/ && ! /`uname -r`/ {print \$2}") -
Uses sed with a regex to move the linenumbers to the line end. The plain regex (w/o escapes) looks like that: ^([^:]*):(.*) Show Sample Output
0grep -n log4j MainPm.java | sed -e 's/^\([^:]*\):\(.*\)/\2 \1/' -
Gets the current system user running a process with the specified pid Show Sample Output
0ps aux | grep PID | grep -v 'grep' | awk '{ print $1 }' -
0ps -p pid -o logname |tail -1
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0find . -type f -exec awk '/linux/ { printf "%s %s: %s\n",FILENAME,NR,$0; }' {} \;
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Tested in bash on AIX & Linux, used for WAS versions 6.0 & up. Sorts by node name. Useful when you have vertically-stacked instances of WAS/Portal. Cuts out all the classpath/optional parameter clutter that makes a simple "ps -ef | grep java" so difficult to sort through. Show Sample Output
0ps -ef | grep [j]ava | awk -F ' ' ' { print $1," ",$2,"\t",$(NF-2),"\t",$(NF-1),"\t",$NF } ' | sort -k4 -
you can find a special things(with defined -iname "*sql*") from in most of one direcroty(for example from both /etc/ and /pentest/) and then you can want to grep only include "map" word Show Sample Output
0find /etc/ /pentest/ -type f -iname "*sql*" | grep map -
This command displays the CPU idle + used time using stats from /proc/stat. Show Sample Output
0grep "cpu " /proc/stat | awk -F ' ' '{total = $2 + $3 + $4 + $5} END {print "idle \t used\n" $5*100/total "% " $2*100/total "%"}' -
Find is used to "find" all filenames - grep shows those that are invalid.
0find . | grep -E "(\||\\|\?|\*|<|\"|:|>|\+|\[|\])" -
Find all files under "." that are invalid NTFS filenames. Find locates all files, and grep shows the invalid ones.
0find . | grep -E "(\||\\|\?|\*|<|\"|:|>)" -
0grep -C <no_of_lines> <string>
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Use this command if your file may contain empty lines and you need to optain the first non-empty line.
0grep . "$f" | head -n1 -
Kill all process that concide whit PATTERN Show Sample Output
0ps -fea | grep PATTERN | awk {'print $2'} | xargs kill -9 -
See who is using a specific port. Especially when you're using AIX. In Ubuntu, for example, this can easily be seen with the netstat command. Show Sample Output
0netstat -Aan | grep .80 | grep -v 127.0.0.1 | grep EST | awk '{print $6}' | cut -d "." -f1,2,3,4 | sort | uniq -
Not figured by me, but a colleague of mine. See the total amount of data on an AIX machine. Show Sample Output
0print "$(lsvg -Lo |xargs lsvg -L|grep "TOTAL PPs"|awk -F"(" '{print$2}'|sed -e "s/)//g" -e "s/megabytes/+/g"|xargs|sed -e "s/^/(/g" -e "s/+$/)\/1000/g"|bc ) GB" -
Removes comments and blank lines from configuration files, leaving only settings
0grep -Ev '^( *$|#)' < conf.file -
0sudo dmidecode -s system-product-name
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You don't need to use "*", it will fail if the working directory has too many fails due parameter extension, you can simply pass the working directory using ".".
0grep -r <searchterm> . -
You don't need to use "*", it will fail if the working directory has too many fails due parameter extension, you can simply pass the working directory using ".".
0grep -r <searchterm> . -
0rgrep <searchterm> *
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Reciprocally, we could get the node name from a give Tor IP address => ip2node() { curl -s -d "QueryIP=$1" http://torstatus.blutmagie.de/tor_exit_query.php | grep -oP "Server name:.*'>\K\w+" ; } ip2node 204.8.156.142 BostonUCompSci Show Sample Output
0curl -s -d "CSField=Name" -d "CSInput=BostonUCompSci" http://torstatus.blutmagie.de/index.php | grep -oP "ip=\K(\d+)(\.\d+){3}" -
the
find -printf "%f\n" prints just the file name from the given path. This means directory paths which contain extensions will not be considered.Show Sample Output0find /some/path -type f -and -printf "%f\n" | egrep -io '\.[^.]*$' | sort | uniq -c | sort -rn - ‹ First < 8 9 10 11 12 > Last ›
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