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May 19, 2015 - A Look At The New Commandlinefu
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Commands by sharfah from sorted by
Terminal - Commands by sharfah - 46 results
count=0;while IFS= read -r -d '' line; do echo "${line#* }"; ((++count==5)) && break; done < <(find . -type f -printf '%s %p\0' | sort -znr)
2013-03-19 17:19:26
User: sharfah
Functions: echo find read sort
Tags: sort find head,

This command is more robust because it handles spaces, newlines and control characters in filenames. It uses printf, not ls, to determine file size.

echo '#!'$(which bash) > script.sh
2012-02-06 08:25:27
User: sharfah
Functions: echo which
Tags: bash

Writes out the shebang line (#!/bin/bash) to the script.

xpath () { xmllint --format --shell "$2" <<< "cat $1" | sed '/^\/ >/d' }
2011-12-20 08:34:11
User: sharfah
Functions: sed
Tags: xml xmllint xpath

This function uses xmllint to evaluate xpaths.

Usage: xpath /path/to/element XMLfile

upper() { echo ${@^^}; }
lower() { echo ${@,,}; }
mailme(){ mailx -s "$@" $USER <<< "$@"; }
2011-10-07 08:55:47
User: sharfah
Functions: mailx
Tags: email mail mailx

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"
diffxml() { diff -wb <(xmllint --format "$1") <(xmllint --format "$2"); }
2011-10-06 07:36:13
User: sharfah
Functions: diff
Tags: diff xml xmllint

Diffs two xml files by formatting them first using xmllint and then invoking diff.

Usage: diffxml XMLFile1 XMLFile2

upto() { cd "${PWD/\/$@\/*//$@}" }
jd() { cd **/"$@"; }
2011-10-05 11:47:57
User: sharfah
Functions: cd

Usage: jd dir

Requires globstar. To set globstar use:

shopt -s globstar
xpath () { xmllint --format --shell "$2" <<< "cat $1" | sed '/^\/ >/d' }
2011-10-05 07:45:16
User: sharfah
Functions: sed

This function uses xmllint to evaluate xpaths.

Usage: xpath /some/xpath XMLfile

TTY=$(tty | cut -c 6-);who | grep "$TTY " | awk '{print $6}' | tr -d '()'
echo sortmeplease | perl -pe 'chomp; $_ = join "", sort split //'
ps -ef | grep user | awk '{print $2}' | while read pid; do echo $pid ; pfiles $pid| grep portnum; done
2010-01-11 12:34:51
User: sharfah
Functions: awk echo grep ps read

My old Solaris server does not have lsof, so I have to use pfiles.

/usr/ucb/ps -auxgww
2009-12-28 12:36:04
User: sharfah

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.

shopt -s dotglob
echo $X | egrep "^[0-9]+$"
find /proc -user myuser -maxdepth 1 -type d -mtime +7 -exec basename {} \; | xargs kill -9
isainfo -vb
s="124890";for i in $(seq 0 1 $((${#s}-1))); do arr[$i]=${s:$i:1}; done
echo a,b,c | sed -e s/,/\',\'/g -e s/^/\(\'/ -e s/$/\'\)/
[ -z "$VAR" ] && echo "VAR has not been set" && exit 1
explorer .
prev=0;next=1;echo $prev;while(true);do echo $next;sum=$(($prev+$next));prev=$next;next=$sum;sleep 1;done
*/15 * * * * /path/to/command
2009-08-30 14:53:08
User: sharfah

Instead of using:

0,15,30,45 * * * * /path/to/command

while read server; do ssh -n user@$server "command"; done < servers.txt
2009-08-29 06:52:34
User: sharfah
Functions: read ssh

The important thing to note in this command, is the "-n" flag.