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Commands using cat

Commands using cat from sorted by
Terminal - Commands using cat - 387 results
cat index.html | grep -o '<a .*href=.*>' | sed -e 's/<a /\n<a /g' | sed -e 's/<a .*href=['"'"'"]//' -e 's/["'"'"'].*$//' -e '/^$/ d'
2012-08-06 10:31:38
User: crisboot
Functions: cat grep sed
0
Up
Down
Extract URLs from all anchors inside an HTML document with sed and grep

Extract all href links from an HTML document with sed and grep

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat /dev/urandom | pv -L 3m | dd bs=1M count=100 iflag=fullblock > /dev/null
2012-07-29 00:42:16
User: bugmenot
Functions: cat dd
6
Up
Down
Limit the transfer rate and size of data over a pipe

This example will close the pipe after transferring 100MB at a speed of 3MB per second.

Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat ~/.ssh/id_rsa.pub | ssh tester@10.2.6.10 "mkdir -p ~/.ssh; cat >> ~/.ssh/authorized_keys; chmod 600 ~/.ssh/authorized_keys"
2012-07-18 04:41:55
User: unixmonkey37839
Functions: cat ssh
0
Up
Down
Copy your ssh public key to a server from a machine that doesn't have ssh-copy-id

chmod authorized_keys so you don't get "Authentication refused: bad ownership or modes for file /home/user/.ssh/authorized_keys"

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat ~/.ssh/id_rsa.pub | ssh tester@10.2.6.10 "mkdir -p ~/.ssh; cat >> ~/.ssh/authorized_keys; chmod 600 ~/.ssh/authorized_keys"
2012-07-18 04:41:54
User: unixmonkey37839
Functions: cat ssh
0
Up
Down
Copy your ssh public key to a server from a machine that doesn't have ssh-copy-id

chmod authorized_keys so you don't get "Authentication refused: bad ownership or modes for file /home/user/.ssh/authorized_keys"

Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat .ssh/id_rsa.pub | ssh user@server 'cat >> ~/.ssh/authorized_keys2'
2012-07-12 15:42:10
User: er0k
Functions: cat ssh
-4
Up
Down
copy public key

for passwordless login

Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat ~/.bash_history | perl -lane 'if($F[0] eq "sudo"){$hash{$F[1]}++}else{$hash{$F[0]}++};$all++;END {@top = map {[$_, $hash{$_}]} sort {$hash{$b}<=>$hash{$a}} keys %hash;printf("%10s%10d%10.2f%%\n", $_->[0],$_->[1],$_->[1]/$all*100) for @top[0..9]}'
2012-07-02 09:38:06
User: vinian
Functions: cat perl sort
0
Up
Down
top ten shell command in bash shell
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat file.txt > /dev/null
2012-06-26 18:34:12
User: ankush108
Functions: cat
Tags: error stdout messages stdou dev/null
0
Up
Down
Suppress standard output using > /dev/null

This will be very helpful when you are debugging shell scripts, where

you don?t want to display the echo statement and interested in only

looking at the error messages. Similarly use 2> to supress error messages

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
diff <(ssh user@host cat /path/to/remotefile) /path/to/localfile
2012-06-16 10:24:48
User: gburiola
Functions: cat diff ssh
1
Up
Down
Compare a remote file with a local file
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
watch -n 1 cat /proc/net/wireless
2012-06-07 10:38:21
User: cantormath
Functions: cat watch
Tags: status cat watch wireless signals wifi
-3
Up
Down
Displaying wireless signal on screen in realtime.

Values will depend on the driver and the hardware specifics, so you need to refer to your driver documentation for proper interpretation of those values.

Show sample output | Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat urls.txt | wget -i- -T 10 -t 3 --waitretry 1
2012-05-14 06:41:14
User: kev
Functions: cat wget
Tags: wget
1
Up
Down
download a list of urls
Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat urls.txt | xargs -n1 curl -O --max-time 10 --retry 3 --retry-delay 1
2012-05-14 06:38:06
User: kev
Functions: cat xargs
Tags: curl
-2
Up
Down
download a list of urls
Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat /var/log/nginx/access.log | grep -oe '^[0-9.]\+' | perl -ne 'system("geoiplookup $_")' | grep -v found | grep -oe ', [A-Za-z ]\+$' | sort | uniq -c | sort -n
2012-05-08 13:28:25
User: theist
Functions: cat grep perl sort uniq
Tags: sort uniq geoip
-1
Up
Down
Per country GET report, based on access log. Easy to transform to unique IP

Per country GET report, based on access log. Easy to transform to unique IP

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
while true; do sudo cat /dev/input/mouse0|read -n1;streamer -q -o /tmp/cam.jpeg -s 640x480 > /dev/null 2>&1; sleep 10;done
2012-04-22 01:51:30
User: SQUIIDUX
Functions: cat read sleep sudo
Tags: cat streamer
4
Up
Down
Take aWebcam Picture When the Mouse Moves

This takes a webcam picture every everytime the mouse is moved (waits 10 seconds between checking for movement) and stores the picture wherever you want it.

Ideas:

Use in conjunction with a dropbox type application to see who is using your computer

Use /dev/input/mice if /dev/input/mouse* doesn't work

Use the bones of this to make a simple screensaver

Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
while true; do iptables -nvL > /tmp/now; diff -U0 /tmp/prev /tmp/now > /tmp/diff; clear; cat /tmp/diff; mv /tmp/now /tmp/prev; slee p 1; done
2012-04-15 00:02:33
User: unixmonkey34223
Functions: cat diff iptables mv
Tags: grep iptables watch diffe
0
Up
Down
watch iptables counters

this alternative shows the differences as they occur so that they are made plain

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
yes "" | cat -n | awk '{print "S=`echo All work and no play makes Jack a dull boy. | cut -c",($1 - 1) % 43 + 1 "`;echo -n \"$S\";seq 500000 > /dev/null"}'| bash
2012-04-08 07:53:43
User: nati
Functions: awk cat yes
1
Up
Down
The scene in the Shining (Stanley Kubrick)

Let's take a rest.

How about watch a horror?

The Shining

http://en.wikipedia.org/wiki/The_Shining_(film)

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
sed G input.txt | cat -s
2012-04-07 02:15:18
User: kev
Functions: cat sed
Tags: cat sed
0
Up
Down
insert blank lines
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat z.log | perl -ne 'BEGIN{ print "DATE;RATE\n"; } /\[(\d.*)\]/ && print $1; /CURRENT RATE: +(\S+) msg.*/ && print ";" .$1 . "\n"; '
2012-04-03 13:52:20
User: hute37
Functions: cat perl
1
Up
Down
multiline data block parse and CSV data extraction with perl

extract data in multiline blocks of data with perl pattern matching loop

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pdftk A=1.pdf B=2.pdf C=3.pdf cat C A output CA.pdf
2012-03-28 15:41:44
User: bossNova
Functions: cat
Tags: pdf files pdftk
0
Up
Down
pdftk append with handles
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pdftk 1.pdf 2.pdf cat output 12.pdf
2012-03-28 15:38:34
User: bossNova
Functions: cat
Tags: pdf files pdftk
0
Up
Down
pdfappend: append multiple pdf files
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
cat > file_name
2012-03-27 11:38:09
User: michaelrozar17
Functions: cat
Tags: output redirection
-2
Up
Down
Copy paste contents quickly and save as a file

Write script or commands in notepad/Editplus/MS word etc, copy the contents, type the above command and click on enter now, paste by right click-ing the mouse. Entire contents in the clip-board gets pasted now again click on Enter to go to new line/next line. Press Ctrl+D to close/save the file. Not always required to vi to create a new file.

Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
wget -q ip.nu && cat index.html
2012-03-23 03:14:37
User: VictorBjelkholm
Functions: cat wget
-1
Up
Down
View external IP
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
find . -type f -name "*.*" -exec cat {} > totalLines 2> /dev/null \; && wc -l totalLines && rm totalLines
2012-03-22 13:11:53
User: philwc
Functions: cat find rm wc
0
Up
Down
Get Total Line Count Of All Files In Subdirectory (Recursive)
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
ps h --ppid $(cat /var/run/apache2.pid) | awk '{print"-p " $1}' | xargs sudo strace
2012-03-21 01:59:41
User: colinmollenhour
Functions: awk cat ps sudo xargs
Tags: awk apache ps strace
1
Up
Down
easily strace all your apache *child* processes

Like the original version except it does not include the parent apache process or the grep process and adds "sudo" so it can be run by user.

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for a in $(cat sample.txt); do echo "${#a} $a";done|sort -n
2012-03-15 09:21:29
User: livibetter
Functions: cat echo sort
0
Up
Down
Print all words in a file sorted by length
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for a in $(cat sample.txt); do echo "$(wc -m<<<$a) $a";done|sort -n
2012-03-15 08:51:42
User: knoppix5
Functions: cat echo sort
0
Up
Down
Print all words in a file sorted by length

optionally you can add

|cut -d' ' -f2|uniq

to the end of the command line.

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