Commands by sata

Commands by sata (8)

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Find all active ip's in a subnet
This is sample output - yours may be different.
13

sudo arp-scan -I eth0 192.168.1.0/24

sata · 2010-07-01 02:46:41 7
Convert ascii string to hex

Converts the ascii text to hex from bash. Check the sample output. Show Sample Output
This is sample output - yours may be different.
```
\x74\x65\x78\x74
```
1

echo -n 'text' | xxd -ps | sed -e ':a' -e 's/$[0-9]\{2\}\|^$$[0-9]\{2\}$/\1\\x\2/;ta'

sata · 2010-06-09 12:20:02 5
Remove all but One

rm-but() { ls -Q | grep -v "$1" | xargs rm -r ; } Add this to your .bashrc file. Then whenever you need to remove all files/directories but one from present working directory. Run: rm-but <important-file-or-directory> Notes: 1. This doesn't affect the hidden files. 2. Argument is actually as string. And all files/directories having this string in there name are left untouched.
This is sample output - yours may be different.
1

rm-but() { ls -Q | grep -v "$1" | xargs rm -r ; }

sata · 2010-05-13 09:28:56 7
Extract title from HTML files

Case Insensitive! and Works even if the "<title>...</title>" spans over multiple line. Simple! :-) Show Sample Output
This is sample output - yours may be different.
```
Extract title from HTML files | commandlinefu.com
```
4

awk 'BEGIN{IGNORECASE=1;FS="<title>|</title>";RS=EOF} {print $2}' file.html

sata · 2010-04-20 10:54:03 6
Grab a list of MP3s out of Firefox's cache

Grab a list of MP3s (with full path) out of Firefox's cache Ever gone to a site that has an MP3 embedded into a pesky flash player, but no download link? Well, this one-liner will yank the *full path* of those tunes straight out of FF's cache in a clean list. Shorter and Intuitive version of the command submitted by (TuxOtaku) Show Sample Output
This is sample output - yours may be different.
```
/home/sata/.mozilla/firefox/xmr8lfrq.default/Cache/FD44AC63d01
/home/sata/.mozilla/firefox/xmr8lfrq.default/Cache/C4C20071d01
/home/sata/.mozilla/firefox/xmr8lfrq.default/Cache/CD40802Cd01
```
2

find ~/.mozilla/firefox/*/Cache -exec file {} \; | awk -F ': ' 'tolower($2)~/mpeg/{print $1}'

sata · 2010-04-19 06:59:55 4
Convert files from DOS line endings to UNIX line endings

Here "^M" is NOT "SHIFT+6" and "M". Type CTRL+V+M to get it instead. Its shortest and easy. And its sed!, which is available by default in all linux flavours.. no need to install extra tools like fromdos.
This is sample output - yours may be different.
4

sed -i 's/^M//' file

sata · 2010-03-25 19:34:08 8
Print a row of 50 hyphens
This is sample output - yours may be different.
-2

printf "%.50d" 0 | tr 0 -

sata · 2010-03-25 12:52:45 4
Create a iso from the disk.

Generate the iso from the disk, easily. same as "dd if=/dev/cdrom of=~/mydisk.iso"
This is sample output - yours may be different.
-10

cat /dev/cdrom > ~/mydisk.iso

sata · 2009-03-26 05:54:41 29

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Update dyndns.org with your external IP.

This is great if you are behind a router that does not support dynamic dns updates! Example: AT&T u-verse gateway... Put this in a script and run it as a cron job.

Save a file you edited in vim without the needed permissions

Calls sudo tee like all the other lines, but also automatically reloads the file. Optionally you can add command Wq :execute ':W' | :q and command WQ :Wq to make quitting easier

colorize sequences of digits

Credits go to Flatcap https://www.commandlinefu.com/commands/by/flatcap

Rename files in batch

list block devices

Shows all block devices in a tree with descruptions of what they are.

Rename all .jpeg and .JPG files to .jpg

Remove comments and empty lines from a conf file

Some conf file are very long (squid.conf) This command help to read it.

last.fm rss parser

Quick and kludgy rss parser for the recent tracks rss feed from last.fm. Extracts artist and track link.

Get info about a GitHub project

In this example we search for 'vim' but vim doesn't have a project on github right now. That's ok, this command still searches for every project that has 'vim' in their description (forks, plugins, etc). To get XML or JSON output just replace 'yaml' in the url with 'xml' or 'json'.

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)

Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

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Commands by sata (8)

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