Commands using grep (1,935)
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Cleaned up and silent with &>/dev/null at the end. Show Sample Output
0for host in $HOSTNAMES; do ping -q -c3 $host && ssh $host 'command' & for count in {1..15}; do sleep 1; jobs | wc -l | grep -q ^0\$ && continue; done; kill %1; done &>/dev/null -
0find /path/to/search/directory -exec grep -Hn "pattern" {} \;
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This oneliner gets all the 'modified' files in your git repository, and opens all of them in vim. Very handy when you're starting to work in the morning and you simply want to review your modified files before committing them. Maybe there are better ways to do that (and maybe integrated in vim and/or git, who knows), but I found quicker to do this oneliner.
0vim `git status | grep modified | awk '{print $3}'` -
Alternative using find and grep find . -type f -name *ds.xml -exec grep -n user-name /dev/null {} \; Using CAT and grep cat `find . -name '*ds.xml' -print`|grep 'looking for' Show Sample Output
0grep -nH "text" -r . --include *name.xml -
0cd ~/.msf4/loot && cat *mscache* | cut -d '"' -f 2,4 | sed s/\"/\:/g | tr -cd '\11\12\40-\176' | grep -v Username | cut -d : -f 1,2 | awk -F':' '{print $2,$1}' | sed 's/ /:/g' > final.dcc.hash
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svn must be 1.7
0for I in $(find . -depth -type d -not -path "*/.svn*" -print) ; do N="$(ls -1A ${I} | wc -l)"; if [[ "${N}" -eq 0 || "${N}" -eq 1 && -n $(ls -1A | grep .svn) ]] ; then svn rm --force "${I}"; fi ; done -
0find . -name "*" -print | xargs grep -s pattern
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0find . -type f -exec grep -ils stringtofind {} +
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0find . \( -name \*.cgi -o -name \*.txt -o -name \*.htm -o -name \*.html -o -name \*.shtml \) -print | xargs grep -s pattern
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0ls -altr | grep ^d
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0grep -l <string-to-match> * | xargs grep -c <string-not-to-match> | grep '\:0'
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0dig @resolver1.opendns.com myip.opendns.com | grep ^myip.opendns.com | tr '\t' : | cut -d: -f5
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Take a screenshot, give $1 seconds pause to choose what to screenshot, then upload and get URI of post in ompdlr.org Show Sample Output
0scrotit(){ echo "Screenshot in $1 seconds...";scrot -d $1 '%Y%m%d%h.png' -e 'curl -sF file1=@- http://ompldr.org/upload < $f | grep -P -o "(?<=File:).*(http://ompldr.org/.*)\<\/a\>";rm $f'| sed -r 's@.*(http://ompldr.org/\w{1,7}).*@\1@';} -
0ifconfig eth0 | grep HW | cut -d " " -f 11
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Old Sys5 system and SUN computers don't have the -H option. Adding /dev/null forces grep to use the multi-file output and report the file name.
0find . -name "*.[ch]" -exec grep -i /dev/null "search pharse" {} \; -
command for conky. To update a random command for each 300 sec from commandline.com Show Sample Output
0${execi 300 lynx --dump http://www.commandlinefu.com/commands/random/plaintext | grep .} -
Returns the IP, broadcast, and subnet mask of your interfaces absent any other extraneous info. I know it's a bit lame, but I've created an alias for this when I *quickly* want to know what a system's IP is. Small amounts of time add up :) Show Sample Output
0ifconfig | grep inet -
0grep postfix /var/log/messages | audit2allow -M mypolicy
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This command downloads the actual 20 most popular pictures from the website 500px. It uses a random name due to the fact the the pictures in 500px are stored with the same name. UPDATED: doesn't work if no referrer is specified: --referer='http://500px.com/'
0for line in `wget --referer='http://500px.com/' --quiet -O- http://500px.com/popular | grep "from=popular" | sed -n 's/.*<img src="\([^"]*\)".*/\1/p' | sed s/"3.jpg"/"4.jpg"/ | sed s/"?t".*$//`; do wget -O $RANDOM.jpg --quiet "$line"; done -
A lot of files in one dir is not so cool for filesystem.
0find . -type d | while read dir ; do num=`ls -l $dir | grep '^-' | wc -l` ; echo "$num $dir" ; done | sort -rnk1 | head -
Place in .bash_profile Show Sample Output
048 function gbl() { git for-each-ref --sort=-committerdate --format='%(committerdate) %(authorname) %(refname)' refs/remotes/origin/|grep -e ".$@"|head -n 10; } -
Let's you examine, for example, whether infrastructure folks really provisioned the correct setup. Java 64-bit checklist 1. check if hardware is 64-bit capable by looking for lm flag
grep -l 'flags.*\<lm\>' /proc/cpuinfo2. check if kernel is 64-bitgetconf LONG_BIT | grep '64'3. check if java is 64-bit (simply look for 64-bit in output - if present, then it is, if absent, then it is 32-bit)java -versionShow Sample Output0grep -l 'flags.*\<lm\>' /proc/cpuinfo && (getconf LONG_BIT | grep '64') && java -version -
0/sbin/ifconfig eth0 | grep 'inet addr:' | cut -d: -f2 | awk '{ print $1}'
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0find -type f | xargs file | grep ".*: .* text" | sed "s;\(.*\): .* text.*;\1;"
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0aptitude purge $(dpkg -l|grep ^rc|awk '{ print $2 }')
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