Commands by sharfah (46)
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This command is more robust because it handles spaces, newlines and control characters in filenames. It uses printf, not ls, to determine file size.
-4count=0;while IFS= read -r -d '' line; do echo "${line#* }"; ((++count==5)) && break; done < <(find . -type f -printf '%s %p\0' | sort -znr) -
Writes out the shebang line (#!/bin/bash) to the script.
-4echo '#!'$(which bash) > script.sh -
This function uses xmllint to evaluate xpaths. Usage: xpath /path/to/element XMLfile
-1xpath () { xmllint --format --shell "$2" <<< "cat $1" | sed '/^\/ >/d' } -
Usage: upper [STRING]... Show Sample Output
6upper() { echo ${@^^}; } -
Usage: lower [STRING]... Show Sample Output
9lower() { echo ${@,,}; } -
Usage: mailme message This is a useful function if you want to get notified about process completion or failure. e.g.
mailme "process X completed"2mailme(){ mailx -s "$@" $USER <<< "$@"; } -
Diffs two xml files by formatting them first using xmllint and then invoking diff. Usage: diffxml XMLFile1 XMLFile2
13diffxml() { diff -wb <(xmllint --format "$1") <(xmllint --format "$2"); } -
Usage: upto directory Show Sample Output
4upto() { cd "${PWD/\/$@\/*//$@}" } -
Usage: jd dir Requires globstar. To set globstar use:
shopt -s globstar-3jd() { cd **/"$@"; } -
This function uses xmllint to evaluate xpaths. Usage: xpath /some/xpath XMLfile Show Sample Output
0xpath () { xmllint --format --shell "$2" <<< "cat $1" | sed '/^\/ >/d' } -
0TTY=$(tty | cut -c 6-);who | grep "$TTY " | awk '{print $6}' | tr -d '()'
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using perl
1echo sortmeplease | perl -pe 'chomp; $_ = join "", sort split //' -
My old Solaris server does not have lsof, so I have to use pfiles.
0ps -ef | grep user | awk '{print $2}' | while read pid; do echo $pid ; pfiles $pid| grep portnum; done -
Depending on your installation, when you run ps you will only get the first 40 or so characters displayed. In order to view the entire string, use /usr/ucb/ps on Solaris.
-2/usr/ucb/ps -auxgww -
0shopt -s dotglob
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-1echo $X | egrep "^[0-9]+$"
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12find /proc -user myuser -maxdepth 1 -type d -mtime +7 -exec basename {} \; | xargs kill -9
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0isainfo -vb
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0s="124890";for i in $(seq 0 1 $((${#s}-1))); do arr[$i]=${s:$i:1}; done
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1echo a,b,c | sed -e s/,/\',\'/g -e s/^/\(\'/ -e s/$/\'\)/
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1[ -z "$VAR" ] && echo "VAR has not been set" && exit 1
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-19explorer .
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0prev=0;next=1;echo $prev;while(true);do echo $next;sum=$(($prev+$next));prev=$next;next=$sum;sleep 1;done
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Instead of using: 0,15,30,45 * * * * /path/to/command
-9*/15 * * * * /path/to/command -
The important thing to note in this command, is the "-n" flag.
10while read server; do ssh -n user@$server "command"; done < servers.txt - 1 2 >
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