Commands using awk (1,418)
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Display a list of the 16 most recently installed RPM packages with newest first. Show Sample Output
0rpm -qa --queryformat '%{INSTALLTIME} %{name}-%{version}-%{release}\n' | sort -k 1,1 -rn | nl | head -16 | awk '{printf("%3d %s %s\n", $1,strftime("%c",$2),$3)}' -
0tp=$(synclient -l | grep TouchpadOff | awk '{ print $3 }') && tp=$((tp==0)) && synclient TouchpadOff=$tp
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It tries to identify the file types in a directory and adds or replaces them with their appropriate extensions. Please, update the "file" tool before use it (last version: 5.37): https://github.com/file/file
0find "$(realpath .)" -type f -exec bash -c 'p="{}"; b="${p##*/}"; e=${b#"${b%.*}"}; e2=$(file -b -F="" --extension "$p"| awk -F/ '\''$1~/^\w+$/ {print $1} '\''); if [ "$e" != ".$e2" ] && [ ! -z $e2 ]; then mv "$p" "${p%$b}${b%$e}.$e2"; fi;' \; -
The link gets the definition from vocabulary.com. In case you are behind firewall, use --proxy URL in the curl option. Show Sample Output
0function define() { curl -s https://www.vocabulary.com/dictionary/$1 | grep 'og:description' | sed 's/&#[0-9][0-9][0-9]//g' | awk -F "\"" '{print $4}' }; define welcome -
MacOS Solution due to lack of pidof command and procfs on MacOS Kernel. Show Sample Output
0function _xterm_cwds() { for pid in $(pgrep -x zsh); do reply+=$(lsof -p $pid | grep cwd | awk '{print $9}') done }; function xcd() { cd $1 }; compctl -K _xterm_cwds xcd -
find all files that have 20 or more MB on every filesystem, change the size and filesystem to your liking
0find / -type f -size +20000k -exec ls -lh {} \; 2> /dev/null | awk '{ print $NF ": " $5 }' | sort -nrk 2,2 -
The sample output is from an Android Device Show Sample Output
0grep -e AnonHugePages /proc/*/smaps | awk '{ if($2>4) print $0} ' | awk -F "/" '{system("cat /proc/" $3 "/cmdline");printf("\n");print $0; printf("\n");}' -
Useful command for MySQL Show Sample Output
0find . -name "withdrownblocks.frm" | sort -u | awk -F'/' '{print $3}' | wc -l -
0awk '{if ($3 =="LAN" && $5 == "0.00" ) print $1, $2, "LAN", "288", "100.00"; else print $1 ,$2, $3, $4, $5 }' sla-avail-2013-Feb > sla-avail-2013-Feb_final
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List SAN Domains for a certificate Show Sample Output
0echo | openssl s_client -connect google.com:443 2>&1 | openssl x509 -noout -text | awk -F, -v OFS="\n" '/DNS:/{x=gsub(/ *DNS:/, ""); $1=$1; print $0}' -
2d - is a shortcut for a period back in time Show Sample Output
0% sudo log show --style syslog --last 2d | awk '/Enter/ && /unlockUIBecomesActive/ {print $1 " " $2}' -
Alternatively, the kernel provides a script to cleanly compare two config files even if the options have moved in the file itself: /usr/src/linux/scripts/diffconfig .config.old .config
0diff <(sort .config) <(sort .config.old) | awk '/^>.*(=|Linux)/ { $1=""; print }' -
an alternative to this one with only 2 processes https://www.commandlinefu.com/commands/view/25844/quickly-add-a-new-user-to-all-groups-the-default-user-is-in
0awk -F: '/^.+user1/{print $1}' /etc/group | xargs -n1 sudo adduser user2 -
This command works only if the line "DROP TABLE IF EXISTS" exists for all tables in the mysqldump file. It acts like a state machine.
0cat db_dump.sql | awk '/DROP TABLE IF EXISTS/ { skip = $5 ~ /table1|table2/ } !skip { print $0 }' > db_dump_filtered.sql -
-1egrep -ie "<*HREF=(.*?)>" index.html | awk -F\" '{print $2}' | grep ://
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You cannot kill zombies, as they are already dead. But if you have too many zombies then kill parent process or restart service. You can kill zombie process using PID obtained from the above command. For example kill zombie proces having PID 4104: # kill -9 4104 Please note that kill -9 does not guarantee to kill a zombie process.
-1kill -HUP `ps -A -ostat,ppid,pid,cmd | grep -e '^[Zz]' | awk '{print $2}'` -
This adds all new files to SVN recursively. It doesn't work for files that have spaces in their name, but why would you create a file with a space in its name in the first place?
-1svn status | grep "^\?" | awk '{print $2}' | xargs svn add -
-1/usr/sbin/arp -i eth0 | awk '{print $3}' | sed 1d
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w3m is a commanline web browser, full of options, I used -dump_head for less unnecessary page download. With awk, I can retrieve dynamic changes in webpages in this very econnomical fashion Show Sample Output
-1w3m -dump_head www.fiat.com | awk '/Date+/{print $6, $7}' -
using awk missed the last char thanks @Josay Show Sample Output
-1echo sortmeplease | awk '{l=split($1,a,"");asort(a);while(x<=l){printf "%s",a[x];x++ }print "";}' -
needs no GNU tools, as far as I see it
-1find . -exec grep foobar /dev/null {} \; | awk -F: '{print $1}' | xargs vi -
Have wc work on each file then add up the total with awk; get a 43% speed increase on RHEL over using "-exec cat|wc -l" and a 67% increase on my Ubuntu laptop (this is with 10MB of data in 767 files).
-1find . -type f -name '*.c' -exec wc -l {} \; | awk '{sum+=$1} END {print sum}' -
Can be used to discover what programms create internet traffic. Skip the part after awk to get more details. Has anyone an idea why the uniq doesn't work propperly here (see sample output)? Show Sample Output
-1netstat -lantp | grep -i establ | awk -F/ '{print $2}' | uniq | sort -
Email if you disk is over 90% - www.fir3net.com
-1HDD=$(df | awk ' NR>3 (S=$5) (M=$6) { if (S>90) print "Your Systems "M" is """S" Full" } ') ; [[ $HDD ]] && echo "$HDD" | mail -s "Hard-Drives Full" TO@EMAIL.com -- -f FROM@EMAIL.com >/dev/null -
Handled all within awk. Takes the value from $PWD and constructs directory structures and runs commands against them. The gsub() call is not necessary, but added for better visibility. If a variable DIR is given on the awk command-line, then that directory is used instead:
awk -vDIR=$HOME/.ssh 'BEGIN{dir=DIR?...}'Show Sample Output-1awk 'BEGIN{dir=DIR?DIR:ENVIRON["PWD"];l=split(dir,parts,"/");last="";for(i=1;i<l+1;i++){d=last"/"parts[i];gsub("//","/",d);system("ls -ld \""d"\"");last=d}}' - ‹ First < 46 47 48 49 50 > Last ›
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