BASH, AWK and SED BASH is a free software Unix shell written for the GNU Project. Its name is an acronym which stands for Bourne-again shell. The name is a pun on the name of the Bourne shell (sh), an early and important UNIX shell written by Stephen Bourne and distributed with Version 7 UNIX [...]
Seventh Sense
Rambling about life's little things, in 7 ≡ 1 (mod 6) fashion
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BASH – Wrappers For qstat In NPACI ROCKS 5.2.2
2009.12.10 @ 15:51:33
BASH is a free software UNIX shell written for the GNU Project. Its name is an acronym which stands for Bourne-again shell. The name is a pun on the name of the Bourne shell (sh), an early and important UNIX shell written by Stephen Bourne and distributed with Version 7 UNIX circa 1978, and the [...]
PERL – Retrieving Data From MySQL Databases In Different Servers
2009.03.04 @ 03:07:04
Let us consider the following (hypothetical/real) case: we have a fruit basket with an assortment of fruits in it. Over a period of time, let us suppose we accumulate so much fruit [will they not stink? may be - but that's a problem beyond the scope of PERL & MySQL] that one basket can no [...]
BASH – GZIP or BZIP2?
2008.10.19 @ 12:27:39
BASH is a free software Unix shell written for the GNU Project. Its name is an acronym which stands for Bourne-again shell. The name is a pun on the name of the Bourne shell (sh), an early and important UNIX shell written by Stephen Bourne and distributed with Version 7 Unix circa 1978, and the [...]
PERL – Mapping Elements To Their Respective Arrays
2008.10.15 @ 12:19:25
Often times, a need arises where one has to search a bunch of arrays to find out to which one of them a given set of elements belong. Of course, life becomes a lot simpler if those arrays are unique (meaning any given element appears only in one of the arrays) and life may not [...]
BASH – Wrappers For qstat In NPACI ROCKS
2008.10.13 @ 18:34:07
BASH is a free software UNIX shell written for the GNU Project. Its name is an acronym which stands for Bourne-again shell. The name is a pun on the name of the Bourne shell (sh), an early and important UNIX shell written by Stephen Bourne and distributed with Version 7 UNIX circa 1978, and the [...]
PERL – Mapping An Element To Its Array
2008.10.11 @ 13:28:50
Disclaimer Often times, a need arises where one has to search a bunch of arrays to find out to which one of them a given element belongs. Of course, life becomes a lot simpler if those arrays are unique (meaning any given element appears only in one of the arrays) and life may not always [...]
Expect – Remote SSH Login
2008.09.12 @ 17:03:04
Expect is a UNIX automation and testing tool, written by Don Libes as an extension to the Tcl scripting language, for interactive applications such as telnet, ftp, passwd, fsck, rlogin, tip, ssh, and others. It uses UNIX pseudo terminals to wrap up sub-processes transparently, allowing the automation of arbitrary applications that are accessed over a [...]
BASH – Sum of All File/Folder Sizes
2008.04.09 @ 17:14:08
Disclaimer The instructions/steps/scripts/methods given below worked for me running CentOS. It may very well work for you on other linux distributions, Red Hat-like or otherwise. Please note that if you decide to use these instructions on your machine, you are doing so entirely at your very own discretion and that neither this site, sgowtham.net, nor [...]
BASH – Read A File, One Line At A Time
2008.01.23 @ 19:15:24
Disclaimer The instructions/steps given below worked for me running CentOS. It may very well work for you on other linux distributions, Red Hat-like or otherwise. Please note that if you decide to use these instructions on your machine, you are doing so entirely at your very own discretion and that neither this site, sgowtham.net, nor [...]
BASH – Replace Space In Filenames With Underscore
2007.10.18 @ 22:20:51
Disclaimer The instructions/steps given below worked for me running CentOS. It may very well work for you on other linux distributions, Red Hat-like or otherwise. Please note that if you decide to use these instructions on your machine, you are doing so entirely at your very own discretion and that neither this site, sgowtham.net, nor [...]
PERL – Password Encryption
2007.07.13 @ 20:16:24
Disclaimer The instructions/steps/scripts/methods given below worked for me running CentOS. It may very well work for you on other linux distributions, Red Hat-like or otherwise. Please note that if you decide to use these instructions on your machine, you are doing so entirely at your very own discretion and that neither this site, sgowtham.net, nor [...]
BASH – Sum Of All Integers Between Given Two Integers
2007.07.06 @ 21:23:57
Disclaimer The instructions/steps/scripts/methods given below worked for me running CentOS. It may very well work for you on other linux distributions, Red Hat-like or otherwise. Please note that if you decide to use these instructions on your machine, you are doing so entirely at your very own discretion and that neither this site, sgowtham.net, nor [...]
BASH – Filename Toggle Case
2006.05.17 @ 23:34:08
Disclaimer The instructions/steps/scripts/methods given below worked for me running CentOS. It may very well work for you on other linux distributions, Red Hat-like or otherwise. Please note that if you decide to use these instructions on your machine, you are doing so entirely at your very own discretion and that neither this site, sgowtham.net, nor [...]
BASH – Center Align A File
2006.04.09 @ 19:39:48
Disclaimer The instructions/steps/scripts/methods given below worked for me running CentOS. It may very well work for you on other linux distributions, Red Hat-like or otherwise. Please note that if you decide to use these instructions on your machine, you are doing so entirely at your very own discretion and that neither this site, sgowtham.net, nor [...]
PERL – Disk Usage Reminder
2006.02.24 @ 19:46:55
Disclaimer The instructions/steps/scripts/methods given below worked for me running CentOS. It may very well work for you on other linux distributions, Red Hat-like or otherwise. Please note that if you decide to use these instructions on your machine, you are doing so entirely at your very own discretion and that neither this site, sgowtham.net, nor [...]
BASH – Router’s Public IP Address
2006.01.04 @ 19:58:01
BASH, AWK and SED BASH is a free software Unix shell written for the GNU Project. Its name is an acronym which stands for Bourne-again shell. The name is a pun on the name of the Bourne shell (sh), an early and important UNIX shell written by Stephen Bourne and distributed with Version 7 UNIX [...]
BASH – Login Counter
2005.09.23 @ 20:20:34
Disclaimer The instructions/steps/scripts/methods given below worked for me running CentOS. It may very well work for you on other linux distributions, Red Hat-like or otherwise. Please note that if you decide to use these instructions on your machine, you are doing so entirely at your very own discretion and that neither this site, sgowtham.net, nor [...]
