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awk, bash, curl, find, grep, Linux, sed
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Functions

All commands from sorted by
Terminal - All commands - 12,420 results
du -hd 1
2009-08-10 13:11:22
User: Tuirgin
Functions: du
Tags: disk usage osx
3
Up
Down
Get the size of all the directories in current directory

OSX's BSD version of the du command uses the -d argument instead of --max-depth.

Comments (2) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
curl http://www.commandlinefu.com/commands/by/<your username>/rss|gzip ->commandlinefu-contribs-backup-$(date +%Y-%m-%d-%H.%M.%S).rss.gz
2009-08-10 12:43:33
User: linuxrawkstar
Functions: date gzip
Tags: backup curl date gzip commandlinefu zless
10
Up
Down
back up your commandlinefu contributed commands

Use `zless` to read the content of your *rss.gz file:

zless commandlinefu-contribs-backup-2009-08-10-07.40.39.rss.gz
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jhead -n%Y%m%d-%H%M%S *.jpg
2009-08-10 03:49:30
User: sitaramcUnused
4
Up
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Picture Renamer

jhead is a very nice tool to do all sorts of things with photographs, in a batch-oriented way. It has a specific function to rename files based on dates, and the format I used above was just an example.

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ls -1 *.jpg | while read fn; do export pa=`exiv2 "$fn" | grep timestamp | awk '{ print $4 " " $5 ".jpg"}' | tr ":" "-"`; mv "$fn" "$pa"; done
2009-08-10 00:52:22
User: axanc
Functions: awk export grep ls mv read tr
0
Up
Down
Picture Renamer

Renames all the jpg files as their timestamps with ".jpg" extension.

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old='apt-get'; new="su-${old}"; command="sudo ${old}"; alias "${new}=${command}"; $( complete | sed -n "s/${old}$/${new}/p" ); alias ${new}; complete -p ${new}
2009-08-10 00:15:05
User: Josay
Functions: alias sed
Tags: bash alias completion aliases
4
Up
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Define an alias with a correct completion

In Bash, when defining an alias, one usually loses the completion related to the function used in that alias (that completion is usually defined in /etc/bash_completion using the complete builtin).

It's easy to reuse the work done for that completion in order to have smart completion for our alias.

That's what is done by this command line (that's only an example but it may be very easy to reuse).

Note 1 : You can use given command line in a loop "for old in apt-get apt-cache" if you want to define aliases like that for many commands.

Note 2 : You can put the output of the command directly in your .bashrc file (after the ". /etc/bash_completion") to always have the alias and its completion

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for f in *.eps;do ps2pdf -dEPSCrop $f `basename $f .eps`.pdf; done
2009-08-09 20:58:07
User: rader5
1
Up
Down
Convert every eps in a directory to pdf

Converts every *.eps file to a *.pdf file

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perl -p -i -e 's/this/that/g' filename
2009-08-09 20:53:50
User: rader5
Functions: perl
2
Up
Down
Replace Every occurrence of a word in a file

Replace 'this' with 'that'

Comments (5) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
column -t /proc/mounts
2009-08-09 17:00:41
User: unixmonkey5049
Functions: column
Tags: Filesystem mount column
10
Up
Down
currently mounted filesystems in nice layout

since fuse mounts do not appear in /etc/mtab (fuse can't write there, dunno if it would if it could) this is propably a better way.

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FECHA=$(date +"%F") FINAL="$FECHA.sql.gz" mysqldump -h localhost -u user --password="pass" --opt jdiaz61_lupajuridica | gzip > /home/jdiaz61/www/backup/$FINAL
2009-08-09 14:51:46
User: juancabo
Functions: date gzip
-2
Up
Down
Script para hacer un acopia d ela base de datos mysql

Tres lineas en un shell script para copiar la base de datos diaramente

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iconv --from-code=ISO-8859-1 --to-code=UTF-8 iso.txt > utf.txt
2009-08-09 14:22:09
User: jsiei97
Functions: iconv
3
Up
Down
Convert one file from ISO-8859-1 to UTF-8.

Nothing fancy it just converts one file from one character encoding into another one.

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grep . filename
2009-08-09 05:33:58
User: TheMightyBuzzard
Functions: grep
Tags: Linux grep
7
Up
Down
Remove newlines from output

Remove newlines from output.

One character shorter than awk /./ filename and doesn't use a superfluous cat.

To be fair though, I'm pretty sure fraktil was thinking being able to nuke newlines from any command is much more useful than just from one file.

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curl www.whatismyip.com/automation/n09230945.asp
2009-08-09 04:08:41
User: dunka
1
Up
Down
Get your external IP address if your machine has a DNS entry

Easy way to see your real external IP

Show sample output | Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
update-java-alternatives
2009-08-09 02:43:06
User: stuart
Tags: Debian Ubuntu
2
Up
Down
Update program providing java on Debian

Lets you set all the java alternatives at once to a matching version. Also has options for just changing the jre or the plugin.

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git add --patch <filename>
2009-08-09 02:24:43
User: stuart
Tags: git SCM
4
Up
Down
Stage only portions of the changes to a file.
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
sudo strings /dev/mem
2009-08-09 02:07:26
User: point_to_null
Functions: strings sudo
Tags: Linux ram strings /dev/mem
27
Up
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A fun thing to do with ram is actually open it up and take a peek. This command will show you all the string (plain text) values in ram

cat? dd? RTFM

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dig +short $HOSTNAME
2009-08-09 02:05:38
User: stuart
Functions: dig
4
Up
Down
Get your external IP address if your machine has a DNS entry
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
awk /./ filename
2009-08-09 02:04:46
User: point_to_null
Functions: awk
Tags: awk
1
Up
Down
Remove newlines from output

?Cat and grep? You can use only grep ("grep \. filename"). Better option is awk.

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cat filename | grep .
2009-08-09 01:00:59
User: fraktil
Functions: cat grep
Tags: cat Linux grep
3
Up
Down
Remove newlines from output

Pipe any output to "grep ." and blank lines will not be printed.

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strings /dev/mem|less
2009-08-09 00:56:06
User: fraktil
Functions: strings
Tags: Linux ram strings /dev/mem
6
Up
Down
A fun thing to do with ram is actually open it up and take a peek. This command will show you all the string (plain text) values in ram
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
getconf LONG_BIT
2009-08-08 21:22:19
User: caiosba
Functions: getconf
Tags: getconf 32 64
108
Up
Down
32 bits or 64 bits?

Easy and direct way to find this out.

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host $HOSTNAME|cut -d' ' -f4
2009-08-08 12:39:00
User: penpen
Functions: cut host
1
Up
Down
Get your external IP address if your machine has a DNS entry

Using DynDNS or a similar service not only allows access to your home machine from outside without needing to know what IP the ISP has assigned to it but it also comes in handy if you want to know your external IP address. The only purpose of the sed command is to remove the leading "host.na.me has address " part from the output. If you don't need to discard it you can simply use

host $HOSTNAME
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tzwatch
2009-08-08 01:26:08
User: terry2wa
Tags: timezone calculation utc
5
Up
Down
get time in other timezones

On Ubuntu, if tzwatch is installed, then you can call up in terminal the output for every time zone configured in gWorldClock.

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tzwatch
2009-08-08 01:25:50
User: terry2wa
Tags: timezone calculation utc
0
Up
Down
get time in other timezones

On Ubuntu, if tzwatch is installed, then you can call up in terminal the output for every time zone configured in gWorldClock.

Show sample output | Comments (1) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
du --max-depth=1
2009-08-08 00:46:29
User: Octave
Functions: du
Tags: disk usage
7
Up
Down
Get the size of all the directories in current directory
Comments (0) | Add to favourites | Report as malicious | Submit alternative | Report as a duplicate
let utime=$offsetutc*3600+$(date --utc +%s)+3600; date --utc [email protected]${utime}
2009-08-07 23:12:14
User: flokra
Functions: date
Tags: timezone calculation utc
0
Up
Down
get time in other timezones

prints out the time for the timezone specified in $offsetutc. So you have less to think about things like: "I'm in utc+4 and my friend in utc-7, can I call him now or will I wake him?"

Note: $offsetutc should be an integer between -12 and 12.

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