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Commands using head

Commands using head from sorted by
Terminal - Commands using head - 195 results
curl http://www.reddit.com/r/wallpapers.rss | grep -Eo 'http:[^&]+jpg' | head -1 | xargs feh --bg-seamless
2010-03-27 00:08:40
User: shavenwarthog
Functions: grep head xargs
4
Up
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set desktop background to highest-rated image from Reddit /r/wallpapers

You'll need "feh" to set the background from the commandline. Install with "apt-get install feh"

Thanks to the Redditors on this thread: http://www.reddit.com/r/linux/comments/bira4/is_there_a_linux_version_of_this_preferably_a/

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
pronounce(){ wget -qO- $(wget -qO- "http://dictionary.reference.com/browse/$@" | grep 'soundUrl' | head -n 1 | sed 's|.*soundUrl=\([^&]*\)&.*|\1|' | sed 's/%3A/:/g;s/%2F/\//g') | mpg123 -; }
2010-03-13 04:23:56
User: matthewbauer
Functions: grep head mpg123 sed wget
Tags: audio sed wget eval pronounce aplay English dictionary dictionary.com
13
Up
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Pronounce an English word using Dictionary.com

This one uses dictionary.com

Comments (4) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
alias busy='my_file=$(find /usr/include -type f | sort -R | head -n 1); my_len=$(wc -l $my_file | awk "{print $1}"); let "r = $RANDOM % $my_len" 2>/dev/null; vim +$r $my_file'
2010-03-09 21:48:41
User: busybee
Functions: alias awk find head sort vim wc
Tags: bash vim sort awk find wc
20
Up
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Makes you look busy

This makes an alias for a command named 'busy'. The 'busy' command opens a random file in /usr/include to a random line with vim. Drop this in your .bash_aliases and make sure that file is initialized in your .bashrc.

Comments (8) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
git log -g --pretty=oneline | grep '}: commit' | awk '{print $1}' | head -1 | xargs git checkout -f
2010-03-09 16:56:39
User: jimthunderbird
Functions: awk grep head xargs
0
Up
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Update the working tree to the latest git commit
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
TOTAL_RAM=`free | head -n 2 | tail -n 1 | awk '{ print $2 }'`; PROC_RSS=`ps axo rss,comm | grep [h]ttpd | awk '{ TOTAL += $1 } END { print TOTAL }'`; PROC_PCT=`echo "scale=4; ( $PROC_RSS/$TOTAL_RAM ) * 100" | bc`; echo "RAM Used by HTTP: $PROC_PCT%"
2010-02-26 20:29:45
User: d34dh0r53
Functions: awk echo grep head tail
6
Up
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Print Memory Utilization Percentage For a specific process and it's children

Change the name of the process and what is echoed to suit your needs. The brackets around the h in the grep statement cause grep to skip over "grep httpd", it is the equivalent of grep -v grep although more elegant.

Show sample output | Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
newest () { DIR=${1:-'.'}; CANDIDATE=`find $DIR -type f|head -n1`; while [[ ! -z $CANDIDATE ]]; do BEST=$CANDIDATE; CANDIDATE=`find $DIR -newer "$BEST" -type f|head -n1`; done; echo "$BEST"; }
2010-02-04 12:40:44
User: shadycraig
Functions: echo head
Tags: bash find files recursive
1
Up
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A function to find the newest file in a directory

Works recusivley in the specified dir or '.' if none given.

Repeatedly calls 'find' to find a newer file, when no newer files exist you have the newest.

In this case 'newest' means most recently modified. To find the most recently created change -newer to -cnewer.

Show sample output | Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
du -s * | sort -nr | head | cut -f2 | parallel -k du -sh
2010-01-28 12:59:14
User: unixmonkey8046
Functions: cut du head sort
Tags: du xargs parallel
-2
Up
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List top ten files/directories sorted by size

If a directory name contains space xargs will do the wrong thing. Parallel https://savannah.nongnu.org/projects/parallel/ deals better with that.

Show sample output | Comments (3) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
paste -d "." <(curl http://.../dist.female.first http://.../dist.male.first | cut -d " " -f 1 | sort -uR) <(curl http://..../dist.all.last | cut -d " " -f 1 | sort -R | head -5163) | tr "[:upper:]" "[:lower:]" | sed 's/$/@test.domain/g'
2010-01-21 19:52:28
User: connorsy
Functions: cut head paste sed sort tr
0
Up
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Create unique email addresses directly from the US census site*Full command in comments

** Replace the ... in URLS with:

www.census.gov/genealogy/www/data/1990surnames

Couldn't fit in 256

Created on Ubuntu 9.10 but nothing out of the ordinary, should work anywhere with a little tweaking. 5163 is the number of unique first names you get when combine the male and female first name files from. http://www.census.gov/genealogy/www/data/1990surnames/names_files.html

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ifconfig | grep -B 1 "inet addr:" | head -1 | cut -d" " -f1
2010-01-04 23:02:57
User: jasonwalsh
Functions: cut grep head ifconfig
-2
Up
Down
Get name of first configured interface

Get the line containing "inet addr:" and the line before that, get down to only the first line, and then get the first word on that line, which should be the interface.

Show sample output | Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
tr -dc 'a-zA-Z0-9' < /dev/urandom | head -c10
2009-12-01 14:22:20
User: Phil
Functions: head tr
-1
Up
Down
generate random password

A slightly shorter version. Also doesn't put a return character at the end of the password

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat *.c | { printf "se te du\nplot '-' t '' w dots\n"; tr '[[:upper:]]' '[[:lower:]]' | tr -s [[:punct:][:space:]] '\n' | sort | uniq -c | sort -nr | head -n 100 | awk '{print $1}END{print "e"}'; } | gnuplot
2009-11-20 14:53:26
User: taliver
Functions: awk cat head printf sort tr uniq
4
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Plot frequency distribution of words from files on a terminal.

Uses the dumb terminal option in gnuplot to plot a graph of frequencies. In this case, we are looking at a frequency analysis of words in all of the .c files.

Show sample output | Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
mkpasswd() { head -c $(($1)) /dev/urandom | uuencode - | sed -n 's/.//;2s/\(.\{'$1'\}\).*/\1/p' ;}
2009-11-19 14:27:52
User: taliver
Functions: head sed uuencode
-3
Up
Down
Random password generating function

This uses urandom to produce a random password. The random values are uuencoded to ensure only printable characters. This only works for a number of characters between 1 and 60.

Show sample output | Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
for i in *.avi; do echo -n "$i:";mediainfo $i|head | grep PlayTime | cut -d: -f2 ; done | sort -t: -k2 -r
2009-11-09 12:42:20
User: yooreck
Functions: cut echo grep head sort
0
Up
Down
Sort movies by length, longest first

Similar but using mediainfo instead of totem-something

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
ps -eo pcpu,user,pid,cmd | sort -r | head -5
2009-11-03 14:41:55
User: ferqwerty
Functions: head ps sort
1
Up
Down
Display top 5 processes consuming CPU
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
shuf -i 1-49 | head -n6 | sort -n| xargs
2009-10-22 12:54:08
User: ioggstream
Functions: head sort
5
Up
Down
lotto generator

note the xargs at the end

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echo $(shuf -i 1-49 | head -n6 | sort -n)
2009-10-22 06:48:20
User: twfcc
Functions: echo head sort
7
Up
Down
lotto generator
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
for f in *.html; do head -n -1 $f > temp; cat temp > $f; rm temp; done
2009-10-12 12:49:18
User: Sunng
Functions: cat head rm
-1
Up
Down
remove the last line of all html files in a directory

Some malicious program appends a iframe or script tag to you web pages on some server, use this command to clean them in batch.

Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
head -c10 <(echo $RANDOM$RANDOM$RANDOM)
2009-10-09 15:09:02
User: jgc
Functions: echo head
Tags: HEAD random
0
Up
Down
Outputs a 10-digit random number

Makes use of $RANDOM environment variable.

Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
tr -c -d 0-9 < /dev/urandom | head -c 10
2009-10-09 11:58:30
User: hfs
Functions: head tr
Tags: HEAD tr urandom
2
Up
Down
Outputs a 10-digit random number
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
head -c4 /dev/urandom | od -N4 -tu4 | sed -ne '1s/.* //p'
2009-10-08 11:27:20
User: opexxx
Functions: head od sed
Tags: sed HEAD od
2
Up
Down
Outputs a 10-digit random number
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
find ~/Music -daystart -mtime -60 -name *mp3 -printf "%T@\t%p\n" | sort -f -r | head -n 30 | cut -f 2
2009-10-06 17:57:04
User: iadbungler
Functions: cut find head sort
1
Up
Down
Print a list of the 30 last modified mp3s sorted by last first
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
awk '{print $1}' /var/log/httpd/access_log | sort | uniq -c | sort -rnk1 | head -n 10
2009-08-30 15:32:26
User: flip387
Functions: awk head sort uniq
3
Up
Down
Top 10 requestors by IP address from Apache/NCSA Logs
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
for x in `seq 0 25 $(curl "http://www.commandlinefu.com/commands/browse"|grep "Terminal - All commands" |perl -pe 's/.+(\d+),(\d+).+/$1$2/'|head -n1)`; do curl "http://www.commandlinefu.com/commands/browse/sort-by-votes/plaintext/$x" ; done > a.txt
2009-08-27 11:02:53
User: SuperFly
Functions: grep head perl
4
Up
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Download entire commandlinefu archive to single file

'jot' does not come with most *nix distros, so we need to use seq to make it work. This version tested good on Fedora 11.

Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
for x in `jot - 0 \`curl "http://www.commandlinefu.com/commands/browse"|grep "Terminal - All commands" |perl -pe 's/.+(\d+),(\d+).+/$1$2/'|head -n1\` 25`; do curl "http://www.commandlinefu.com/commands/browse/sort-by-votes/plaintext/$x" ; done >a.txt
2009-08-25 21:57:15
User: stinkerweed999
Functions: grep head perl
0
Up
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Download entire commandlinefu archive to single file

This is an extension of a previous command by satyavvd on 2009-07-23 12:04:02, but this one grabs the whole archive. Hard coded numbers in previous script capped number of commands that could be fetched. This one grabs them all regardless of how big the archive gets.

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find / -type f -exec wc -c {} \; | sort -nr | head -100
2009-08-22 09:38:44
User: hemanth
Functions: find head sort wc
0
Up
Down
List files and sizes

List files and sizes

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