Internal Variables for Use in Your Scripts

Grok Headline matches for Internal Variables for Use in Your Scripts

Edit the Scripts menu scripts with one
click

Edit the Scripts menu scripts with one
click 01/05/2005 10:36 PM
FunkDaddy: "I wanted to look at the code of an AppleScript in the Scripts Menu. Normally, I would have to do this by navigating to the script in the Finder and opening it in Script Editor. But I took a wild guess and Option-clicked on the script in the menu, and it opened in Script Editor directly! This makes tweaking my frequently-used scripts really easy."

Replacing Perl Scripts with PHP Scripts

Replacing Perl Scripts with PHP Scripts 11/26/2002 05:12 AM
With the introduction of version 4.2, PHP has started supporting a new SAPI (Server Application Programming Interface) called CLI (Command Line Interface). This facility was introduced to help developers create small shell applications (scripts) with PHP. So, now you can kiss Perl goodbye forever. -- Jayesh Jain

Hear hear. Thanks to my influence, other developers at Natsoft are using PHP for their batch scripts too. Hmm maybe it is because they report to me...

"zeldman.bang"

Use folder action scripts on a shell
scripts folder

Use folder action scripts on a shell
scripts folder 05/03/2004 10:44 AM
Recently I purchase a book called "Wicked Cool Shell Scripts" by Dave Taylor, and it is full of exactly that, cool shell scripts. Having not done a whole lot of shell scripting before, I thought it would be good to pick it up...

Application Variables with PHP

Application Variables with PHP 08/05/2002 10:44 PM
One of the most common feature requests that PHP developers ask for is application variables. These are variables that are globally available to all PHP scripts on a web server. There are currently several implementations.

An Introduction to Variables

An Introduction to Variables 11/27/2002 09:47 PM

This is only for those who are new to php, or maybe programming altogether. This won't 'enlighten' you, or make you 'one with everything', but it should make you one with variables.

Variable Variables in PHP

Variable Variables in PHP 12/19/2002 10:43 PM
Variable Variables in PHP Well since it's late but I'm still grinding and I feel guilty for not blogging much today, here's a special PHP Treat: A Variable Variable Tutorial. Yes that's right. There is a feature in PHP called "Variable Variables". One of the issues that I had with implementing our Digibuy support was our old friend and enemy: Parsing. This is such a fundamental thing but there always seems to be a new wrinkle in it. In this case we had an existing PHP script which did our registration calculations and was expecting a certain set of variables. Now this code was fairly complex and I didn't want to re-write it (much). Here's the input data we had to parse: author_id=BillBrown & author_password=HemosRules & prod_sku=98079949999 With the exception that it had like 30 odd variables in it. Since my code was expecting a series of variables I needed to parse this and automatically create a series of variables like $author_id and $author_password. Now if this data was being given to me by a URL then it would be easy -- PHP could automatically do it or I could just pull them out of $_REQUEST. But, instead, I had them going to me as if they were a file. So ... How do you create a series of variables on the fly? Note: Yes I could have made an associative array but that wouldn't have taught me anything, now would it ? I could also have gotten a similar effect with the extract function but I found out about that after this working. And if the code is working then ... Well deep in the recesses of what I call a brain was a recollection of "variable variables". I think I heard about this in a talk that Rasmus gave although I can't honestly be sure. I do know that whenever you need to do "meta" type tasks like this in a language, you need to poke around the oddball features since that's usually where they reside. What I do is look for the sections of the documentation that I've never read. The idea behind a variable variable is simple: interpret the value of a variable and make it into a variable itself. I.e. the "variable variable" nomenclature. Since php uses $ for indicating a variable they've chosen to use $$ to make a variable variable. Let's say you have two variables, $part1 and $part2. If $part1 = "author_id" and $part2="HemosRules" how do I get to $author_id = "HemosRules". Simple: $$part1 = $part2. Yup. It's just that easy. Of course I did need to wrap it into a string parsing loop. Here's the guts of it: $strarray = explode("&",$input); foreach ($strarray as $stritem) { $stritem = trim($stritem); $part1 = substr ( $stritem, 0, strpos ( $stritem,"=" ) ); $part2 = substr ( $stritem, strpos ( $stritem,"=" )+1, strlen ( $stritem ) ); #magic! $$ is a "variable variable" i.e. it converts the value #in the variable into a variable itself $$part1 = $part2; } The way this works is an input string, $input, contains everything that needs to be processed. First I explode this into an array using "&" as the delimiter. Then I loop over the array with a foreach loop creating a $part1 variable and a $part2 variable. Finally I just do the magic $$part1 = $part2. Here's the example Source Code. Here's the working Example Thanks again to my favorite Systems Administrator, Apokalyptik, for showing me how to use PHP to generate code listings. Much easier than pasting it into a blog entry. More on Variable Variables from PHP.Net: [_Go_] Variable Variables. A little confusing but definitely a frothy good thing!

Predefined Variables

Predefined Variables 06/09/2004 03:40 PM

PHP Application Variables

PHP Application Variables 07/02/2002 09:57 AM

Application Variables in PHP

Application Variables in PHP 07/01/2002 08:29 AM
This is the first article of several on developing an architecture for Enterprise PHP, where we are running dedicated PHP servers tuned to serve large number of web pages. This work originated in the need to save the current working database connection as an Application variable in a primary and fallback database server configuration. This can be extended to saving other configuration information that rarely changes... -- John Lim

"zeldman.jayne"

Variables and Paths

Variables and Paths 06/26/2002 07:05 PM
In this month's Q&A column, John Simpson answers questions about XSLT variables and XML document paths.

Object-Variables-0.9

Object-Variables-0.9 07/30/2004 12:14 AM

Object-Variables-0.5

Object-Variables-0.5 07/27/2004 12:28 AM

Object-Variables-0.4

Object-Variables-0.4 07/25/2004 06:12 AM

Tunneling Variables

Tunneling Variables 04/09/2004 04:09 PM
In Bob DuCharme's latest Transforming XML column he explains the use and virtues of XSLT 2.0's tunneled variables.

PHP Static Class Variables

PHP Static Class Variables 12/02/2002 01:17 PM
Static class variables are variables that are shared among all instances of a particular class. Although PHP supports static variables in functions, it has no support for static variables in classes. This functionality can be pretty important in some situations, and I will now describe a way to simulate it.

Hash variables in Perl

Hash variables in Perl 08/23/2004 02:48 AM
CNET Aug 23 2004 7:15AM GMT

Perl's Special Variables

Perl's Special Variables 06/18/2004 07:05 PM
Dave Cross goes back to basics to show how using Perl's special variables can tidy up file-handling code.

Using hash variables in Perl

Using hash variables in Perl 05/03/2004 09:19 AM
CNET May 3 2004 1:48PM GMT

Variables used by the Status Filter

Variables used by the Status Filter 04/15/2004 02:26 PM

The Fuzzy Blog on Varaible Variables

The Fuzzy Blog on Varaible Variables 12/20/2002 08:49 AM

Templates with patTemplate, and Form
Variables

Templates with patTemplate, and Form
Variables 05/30/2002 08:10 AM

A Guide to Basic Variables That Add To
Site Value

A Guide to Basic Variables That Add To
Site Value 03/17/2005 02:32 AM
Nice checklist of items to cover before buying or selling a site.

Using variables in Windows batch files

Using variables in Windows batch files 08/29/2004 02:23 PM
Tech-Recipes Aug 29 2004 6:35PM GMT

Learning Cocoa: Repurposing Variables

Learning Cocoa: Repurposing Variables 01/18/2004 02:48 PM
Set Roby: "By now we know that every variable is really just a bunch of bits, which we can look at a certain way and read as an integer, a pointer, or whatever else we need to remember. Well, what else do we want to remember?"

Keep track of stopped processes via
shell variables

Keep track of stopped processes via
shell variables 12/15/2003 11:45 AM
Earlier hints discuss how to suspend and resume processes via kill -- very helpful to me, because I had been launching apps from Terminal and using ^Z, fg and bg to manage them. A summary of previous hints: kill -STOP and kil...

Copy variables from command line to GUI
environments

Copy variables from command line to GUI
environments 07/22/2004 09:59 AM
If you use the UNIX command line environment under OS X, you probably know that the environment symbols you set up in your .bashrc file are not reflected in the GUI environment. In the GUI environment, symbol values are read...

Setting the %DSDIT%, %DSLOG%, and
%SYSVOL% Variables

Setting the %DSDIT%, %DSLOG%, and
%SYSVOL% Variables 09/10/2004 01:53 AM

Unprivilegued settings for FreeBSD
kernel variables

Unprivilegued settings for FreeBSD
kernel variables 06/15/2004 01:41 PM
Radko Keves (Jun 14 2004)

Re: Unprivilegued settings for FreeBSD
kernel variables

Re: Unprivilegued settings for FreeBSD
kernel variables 06/16/2004 06:16 PM
Dag-Erling Smørgrav (Jun 15 2004)

Working with Environment variables -
Add, Remove and Retrieve

Working with Environment variables -
Add, Remove and Retrieve 12/24/2004 12:49 PM

TCB::Internal 1.03

TCB::Internal 1.03 05/19/2004 03:05 PM
A CGI Web templating module

Top Tip: Internal USB hub?

Top Tip: Internal USB hub? 05/18/2004 04:29 AM
Is it possible to add an internal USB hub? I have two front USB ports and also an internal card reader. My motherboard has room for either one of those but not both. Also, I have a firewire port on my case front, but no place on my motherboard to plug it in.

TCB::Internal 1.02

TCB::Internal 1.02 05/15/2004 08:42 AM
A CGI Web templating module

I’m Internal Too

I’m Internal Too 04/09/2004 04:05 PM
For those of you who work at Sun, there’s now an internal version of ongoing at http://webhome.sfbay/ongoing/ ; check it out. Scoble says internal weblogs are intrinsically less interesting than external ones; we’ll see.

Internal Policies

Internal Policies 02/17/2004 01:29 AM
Agent - New release Available (v2.22)

Would That Be Internal or External,
Technically?

Would That Be Internal or External,
Technically? 07/30/2004 07:07 AM

I have nothing to say; I just love this picture. Someday I will have one of these old-school hard drives on my wall and I will be a happy man. (Thanks, O2!)

Lo ok - New Hard Drive [Gizmodo]

Internal Instant Messenger

Internal Instant Messenger 07/29/2004 06:38 PM
First release is nearly done

AskJeeves Names New Internal CEO

AskJeeves Names New Internal CEO 11/04/2003 02:28 PM
The best performing search stock of the last three years gets a new CEO from inside the ranks.

TV Tuners For The PC: Internal Or
External

TV Tuners For The PC: Internal Or
External 06/19/2004 07:58 PM

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Internal Variables for Use in Your Scripts

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