Commands by raj77

Commands by raj77_in (4)

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use the previous commands params in the current command

Here the !!:1 will take the first parameter from the previous command. This can be used in conjunction with other history commands like ! and so on. Show Sample Output
This is sample output - yours may be different.
```
Example:
vi a.c
diff !!:1 !!:1.bak
```
16

!!:[position]

raj77_in · 2010-05-24 08:09:23 18
List your installed Firefox extensions

with grep for em:name rather than name, you will get much better result. Show Sample Output
This is sample output - yours may be different.
```
Abduction!
Adblock Plus
Add N Edit Cookies
Add to Search Bar
All-in-One Sidebar
Autocomplete Manager
```
-1

$grep -hIr -m 1 em:name ~/.mozilla/firefox/*.default/extensions|sed 's#\s*##'|tr '<>=' '"""'|cut -f3 -d'"'|sort -u

raj77_in · 2010-05-24 08:03:53 3
kills rapidly spawning processes that spawn faster than you can repeat the killall command

if you dont want to alias also then you can do killall rapidly_spawning_process ; !! ; !! ; !!
This is sample output - yours may be different.
3

alias a=" killall rapidly_spawning_process"; a; a; a;

raj77_in · 2010-05-20 02:33:28 3
What is my ip?

See more details at http://blog.amit-agarwal.co.in/2008/12/01/get-you-ip-address-like-whatismyipcom/ Show Sample Output
This is sample output - yours may be different.
```
122.167.6.97
```
-2

w3m http://amit-agarwal.co.in/mystuff/getip_txt.php will return the ip in text format.

raj77_in · 2009-10-26 02:24:46 3

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Resample a WAV file with sox

Change the sample rate with sox, the swiss army knife of sound processing.

Get just the IP for a hostname

Print out a man page

man -t manpagename gives a postscript version of said man page. You then pipe it to ls, and assuming you have cups set up, it prints in your default printer.

Random colours at random locations

New files from parts of current buffer

On command mode in Vim you can save parts of the current buffer in another file. * The 'n' value represents the first line of the new file. * The 'm' value represents the last line of the new file. * newfile.txt is the newfile. The results are similar to this command in perl: $ perl -ne 'print if n..m' in.sql > out.sql

Install pip with Proxy

Installs pip packages defining a proxy

print all characters of a file using hexdump

'od -c' works like 'hexdump -c' but is available on other operating systems that don't ship with hexdump (e.g. solaris).

clear the cache from memory

dump 1KB of data from ram to file

positions the mysql slave at a specific master position

say you want to reinitialize the slave database without resetting the master positions. You stop the slave, dump the master database with --master-data=2 then execute the command on the slave and wait for it to stop at the exact position of the dump. reinit the slave db and start the slave. enjoy.

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