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  • Can't seem to get python to work

    - by Justin Johnson
    I'm just starting out in Python. The Python interpreter works from the command line (I have 2.4.3), but I can't seem to get Apache to execute Python scripts. All I end up with is a blank screen and nothing in the Apache error logs. I enabled Python via the Plesk control panel. Here's the snippet that was generated in the httpd.include: <Files ~ (\.py$)> SetHandler python-program PythonHandler mod_python.cgihandler </Files> My test script is one of the examples that comes with the Python downloads at http://python.org/download/ #!/usr/local/bin/python """CGI test 1 - check server setup.""" # Until you get this to work, your web server isn't set up right or # your Python isn't set up right. # If cgi0.sh works but cgi1.py doesn't, check the #! line and the file # permissions. The docs for the cgi.py module have debugging tips. print("Content-type: text/html") print() print("<h1>Hello world</h1>") print("<p>This is cgi1.py") That wasn't working, so I changed #!/usr/local/bin/python to #!/usr/bin/python which is what which python tells me but the results were the same. Like I said, I'm ending up with a blank page. No errors that I know of, unless I'm checking the wrong error log (I'm checking the Apache error log). I'm on a MediaTemple (dv) running CentOS.

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  • dynamic urls and links on one web page

    - by John
    I am trying to figure out how to create dynamic links and urls on a static webpage. What I want to do is the following: I have a single webpage for example: MYWEBPAGEdotCOM/INDEX.HTML that will always look the same, except for one link on the page. the link would be on the page for example: LINK TO AFFILIATE: affiliatedotCOM/my-affiliate_code_here_DYNAMIC_REFERER the only thing would change is the "DYNAMIC_REFERER" with every dynamic url on this page: MYWEBPAGEdotCOM/INDEX.PHP_id=test1 MYWEBPAGEdotCOM/INDEX.PHP_id=test2 MYWEBPAGEdotCOM/INDEX.PHP_id=test3 MYWEBPAGEdotCOM/INDEX.PHP_id=test4 which would only hange the dynamic link on the page to: affiliatedotCOM/my-affiliate_code_here_test1 affiliatedotCOM/my-affiliate_code_here_test2 affiliatedotCOM/my-affiliate_code_here_test3 affiliatedotCOM/my-affiliate_code_here_test4 Can someone tell me how I could go about doing this? I just dont want to have to make 100's of pages, as this would prevent me from having to do so.

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  • When should I make the first commit to source control?

    - by Kendall Frey
    I'm never sure when a project is far enough along to first commit to source control. I tend to put off committing until the project is 'framework-complete' and primarily commit features from then on. (I haven't done any personal projects large enough to have a core framework too big for this.) I have a feeling this isn't best practice, though I'm not sure what all could go wrong. Let's say, for example, I have a project which consists of a single code file. It will take about 10 lines of boilerplate code, and 100 lines to get the project working with extremely basic functionality (1 or 2 features). Should I first check in: The empty file? The boilerplate code? The first features? At some other point? Also, what are the reasons to check in at a specific point?

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  • Gamemaker: Making a bullet Spawn at the enemy it was called from

    - by Strokes
    I'm making a gamemaker game with gml. In this game I have multiple enemies (same object) on screen at the same time. I want them to all spawn a bullet at their location. But instead each enemy spawns a bullet at one single enemy. They all shoot but the bullets appear in the wrong location. I want the bullet to spawn at the location of the instance is was called for. How do I do this? Thank you for reading my question. Code: obj_carrier is the enemy I want to spawn from. obj_carrier_bullet is the bullet I want to spawn at location of the carrier There are multiple carriers around the stage. In the step event of the carrier following an if statement: instance_create(obj_carrier.x, obj_carrier.y, obj_carrier_bullet)

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  • Is the sysadmin/netadmin the defacto project planner at your organization?

    - by gft74
    At my company it has somehow over the past few years slowly become my job to come up with a project plan, milestones and time lines for deployment of developer applications. Typical scenario: My team receives a request for a new website/db combo and date for deployment. I send back a questionnaire for the developer to fill out on all the reqs for the site (ssl? db? growth projections etc.) After I get back all the information, the head of development wants a well developed document of what servers will it live on why those servers what is the time line for creating the resources step-by-step SOP for getting the application on the server and all related resources created (dns, firewall, load balancer etc.) I maybe just whining but it feels like this is something better suited to our Project Management staff (which we have) or to the developer. I understand that I need to give them a time-line on creating the resources, but still feel like this is overkill. We already produce documentation on where everything lives and track configuration changes to equipment. How do other sysadmin folks handle this?

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  • T-SQL Tuesday #4: I/O, You Know

    - by Kalen Delaney
    It's time for the fourth T-SQL Tuesday , managed this time by Mike Walsh . I almost missed this deadline completely, since I didn't see the announcement at all. I wrote to Adam to ask if there even was an event this month, since I wasn't able to get into my own blog site ( www.SQLBlog.com ) for a week, and he pointed me to Mike's site. I'm wondering if it's this hit and miss for everyone. There is no single location where those people interested in T-SQL Tuesday can find out about it. Do you just...(read more)

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  • How to Multitask in the Linux Terminal: 3 Ways to Use Multiple Shells at Once

    - by Chris Hoffman
    The Linux terminal has rich multitasking capabilities. You can switch between the virtual consoles already running on your system, use Bash job control to run processes in the background, and take advantage of GNU screen, a terminal “window manager.” You don’t have to stick to a single command at a time. Whether you want to run a process in the background and revisit it occasionally or run multiple time-consuming tasks at once, Linux offers several options. How to Stress Test the Hard Drives in Your PC or Server How To Customize Your Android Lock Screen with WidgetLocker The Best Free Portable Apps for Your Flash Drive Toolkit

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  • PARTNER WEBCAST : Nimble SmartStack for Oracle with Cisco UCS (Nov 12)

    - by Zeynep Koch
    You are invited to the live webcast with Nimble Storage, Oracle and Cisco where we will talk about the new SmartStack solution from Nimble Storage that features Oracle Linux, Oracle VM and Cisco UCS products. When : Tuesday, November 12, 2013, 11:00 AM Pacific Time Panelists: Michele Resta, Director of Linux and Virtualization Alliances, Oracle John McAbel, Senior Product Manager, Cisco Ibby Rahmani, Solutions Marketing, Nimble Storage SmartStack™solutions provide pre-validated reference architectures that speed deployments and minimize risk. All SmartStack solutions incorporate Cisco UCS as the compute and network infrastructure. In this webinar, you will learn how Nimble Storage SmartStack with Oracle and Cisco provides a converged infrastructure for Oracle Database environments with Oracle Linux and Oracle VM. SmartStack, built on best-of-breed components, delivers the performance and reliability needed for deploying Oracle on a single symmetric multiprocessing (SMP) server or Oracle Real Application Clusters (RAC) on multiple nodes.  Register today 

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  • Cannot boot from USB disk with "not a COM32R image" error

    - by Siva Prasad Varma
    After installing 11.10 on my Dell Studo 15 (Model 1557) laptop, it started to overheat. Recently it even shutdown twice saying that critical temperature has reached even when I was just idling (not even a single program was open except for Firefox). After learning that it is a problem with 3.0.0 kernel I decided to roll back to 10.04 LTS. I have downloaded the most recent 10.04 iso from ubuntu.com and created a live USB using startup disk creator in 11.10. But when I am trying to boot from USB I am getting the following error vesamenu.c32: not a COM32R image I have installed ubuntu from usb stick a couple of dozen times before this and I think it is not a problem with my hardware. Please tell me what to do.

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  • How to build a Singleton-like dependency injector replacement (Php)

    - by Erparom
    I know out there are a lot of excelent containers, even frameworks almost entirely DI based with good strong IoC classes. However, this doesn't help me to "define" a new pattern. (This is Php code but understandable to anyone) Supose we have: //Declares the singleton class bookSingleton { private $author; private static $bookInstance; private static $isLoaned = FALSE; //The private constructor private function __constructor() { $this->author = "Onecrappy Writer Ofcheap Novels"; } //Sets the global isLoaned state and also gets self instance public static function loanBook() { if (self::$isLoaned === FALSE) { //Book already taken, so return false return FALSE; } else { //Ok, not loaned, lets instantiate (if needed and loan) if (!isset(self::$bookInstance)) { self::$bookInstance = new BookSingleton(); } self::$isLoaned = TRUE; } } //Return loaned state to false, so another book reader can take the book public function returnBook() { $self::$isLoaned = FALSE; } public function getAuthor() { return $this->author; } } Then we get the singelton consumtion class: //Consumes the Singleton class BookBorrower() { private $borrowedBook; private $haveBookState; public function __construct() { this->haveBookState = FALSE; } //Use the singelton-pattern behavior public function borrowBook() { $this->borrowedBook = BookSingleton::loanBook(); //Check if was successfully borrowed if (!this->borrowedBook) { $this->haveBookState = FALSE; } else { $this->haveBookState = TRUE; } } public function returnBook() { $this->borrowedBook->returnBook(); $this->haveBookState = FALSE; } public function getBook() { if ($this->haveBookState) { return "The book is loaned, the author is" . $this->borrowedbook->getAuthor(); } else { return "I don't have the book, perhaps someone else took it"; } } } At last, we got a client, to test the behavior function __autoload($class) { require_once $class . '.php'; } function write ($whatever,$breaks) { for($break = 0;$break<$breaks;$break++) { $whatever .= "\n"; } echo nl2br($whatever); } write("Begin Singleton test", 2); $borrowerJuan = new BookBorrower(); $borrowerPedro = new BookBorrower(); write("Juan asks for the book", 1); $borrowerJuan->borrowBook(); write("Book Borrowed? ", 1); write($borrowerJuan->getAuthorAndTitle(),2); write("Pedro asks for the book", 1); $borrowerPedro->borrowBook(); write("Book Borrowed? ", 1); write($borrowerPedro->getAuthorAndTitle(),2); write("Juan returns the book", 1); $borrowerJuan->returnBook(); write("Returned Book Juan? ", 1); write($borrowerJuan->getAuthorAndTitle(),2); write("Pedro asks again for the book", 1); $borrowerPedro->borrowBook(); write("Book Borrowed? ", 1); write($borrowerPedro->getAuthorAndTitle(),2); This will end up in the expected behavior: Begin Singleton test Juan asks for the book Book Borrowed? The book is loaned, the author is = Onecrappy Writer Ofcheap Novels Pedro asks for the book Book Borrowed? I don't have the book, perhaps someone else took it Juan returns the book Returned Book Juan? I don't have the book, perhaps someone else took it Pedro asks again for the book Book Borrowed? The book is loaned, the author is = Onecrappy Writer Ofcheap Novels So I want to make a pattern based on the DI technique able to do exactly the same, but without singleton pattern. As far as I'm aware, I KNOW I must inject the book inside "borrowBook" function instead of taking a static instance: public function borrowBook(BookNonSingleton $book) { if (isset($this->borrowedBook) || $book->isLoaned()) { $this->haveBook = FALSE; return FALSE; } else { $this->borrowedBook = $book; $this->haveBook = TRUE; return TRUE; } } And at the client, just handle the book: $borrowerJuan = new BookBorrower(); $borrowerJuan-borrowBook(new NonSingletonBook()); Etc... and so far so good, BUT... Im taking the responsability of "single instance" to the borrower, instead of keeping that responsability inside the NonSingletonBook, that since it has not anymore a private constructor, can be instantiated as many times... making instances on each call. So, What does my NonSingletonBook class MUST be in order to never allow borrowers to have this same book twice? (aka) keep the single instance. Because the dependency injector part of the code (borrower) does not solve me this AT ALL. Is it needed the container with an "asShared" method builder with static behavior? No way to encapsulate this functionallity into the Book itself? "Hey Im a book and I shouldn't be instantiated more than once, I'm unique"

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  • Multiple Key Presses in XNA?

    - by Bryan Harrington
    I'm actually trying to do something fairly simple. I cannot get multiple key presses to work in XNA. I've tried the following pieces of code. else if (keyboardState.IsKeyDown(Keys.Down) && (keyboardState.IsKeyDown(Keys.Left))) { //Move Character South-West } and I tried. else if (keyboardState.IsKeyDown(Keys.Down)) { if (keyboardState.IsKeyDown(Keys.Left)) { //Move Character South-West } } Neither worked for me. Single presses work just fine. Any thoughts?

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  • unable to destroy windows 2008 r2 failover cluster after SAN rebuild

    - by Zack
    I created a windows 2008 r2 failover cluster for a sql 2008 active/passive cluster. This two node cluster was using a SAN device for a quorum disk resource as well as MSDTC resource. Well....I decided to reconfigure the SAN device, but I didn't destroy the cluster first. Now that the quorum disk and mstdc disk are completely gone, the cluster is obviously not working. But, I can't even destroy the cluster and start again. I've tried from the Windows Clustering tool, as well as the command line. I was able to get the cluster service to start using the "/fixquorum" parameter. After doing this I was able to remove the passive node from the cluster, but it wouldn't let me destroy the cluster because the default resource group and msdtc are still attached as resources. I tried to delete these resources from both the GUI tool, as well as command line. It will either freeze for several minutes and crash the program, or once it even BSOD'd the server. Can someone advise on how to destroy this cluster so I can start over?

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  • If I define a property to prototype appears in the constructor of object, why?

    - by Eduard Florinescu
    I took the example from this question modified a bit: What is the point of the prototype method? function employee(name,jobtitle,born) { this.name=name; this.jobtitle=jobtitle; this.born=born; this.status="single" } employee.prototype.salary=10000000; var fred=new employee("Fred Flintstone","Caveman",1970); console.log(fred.salary); fred.salary=20000; console.log(fred.salary) And the output in console is this: What is the difference salary is in constructor but I still can access it with fred.salary, how can I see if is in constructor from code, status is still employee property how can I tell for example if name is the one of employee or has been touch by initialization? Why is salary in constructor, when name,jobtitle,born where "touched" by employee("Fred Flintstone","Caveman",1970); «constructor»?

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  • Best way to distribute graphics, audio and levels with an SDL game?

    - by Kristopher
    I'm working on finishing up a game written in C++ with SDL I've been working on for awhile, and I'm starting to ponder how I'm going to distribute it. It has hundreds of images that are loaded and used throughout the game, as well as a couple dozen .wav files for audio effects. What is the best way to distribute these? Should I just include the folders with all the files? Or is there a way I can package them into a single file, then open and extract them in my application? What's the best way to go about this?

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  • Anti-cheat Javascript for browser/HTML5 game

    - by Billy Ninja
    I'm planning on venturing on making a single player action rpg in js/html5, and I'd like to prevent cheating. I don't need 100% protection, since it's not going to be a multiplayer game, but I want some level of protection. So what strategies you suggest beyond minify and obfuscation? I wouldn't bother to make some server side simple checking, but I don't want to go the Diablo 3 path keeping all my game state changes on the server side. Since it's going to be a rpg of sorts I came up with the idea of making a stats inspector that checks abrupt changes in their values, but I'm not sure how it consistent and trusty it can be. What about variables and functions escopes? Working on smaller escopes whenever possible is safer, but it's worth the effort? Is there anyway for the javascript to self inspect it's text, like in a checksum? There are browser specific solutions? I wouldn't bother to restrain it for Chrome only in the early builds.

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  • Drawing a textured triangle with CPU instead of GPU

    - by Jenko
    I understand the benefits of GPU rendering and such, but for a certain limited application I need to render textured triangles purely using CPU. I've built a 3D engine capable of object handling, transform, projection, culling and the likes ... now all I need is a little code snippet that draws a single textured triangle onto a bitmap... any language accepted! Inputs: Texture bitmap, Triangle U/V/W coords, Triangle X/Y screen coords Output: The textured triangle drawn at the given screen coords I've currently been using a platform function to draw triangles to screen, but I'm looking to handle it myself to speeden up the process.

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  • Cannot perform a PECL installation

    - by Petrusa
    I have been trying to do a few PECL installations, but all of them return the same type of error. Something related to timezones? Im running RedHat x86_64 es5. Attempting to install geoip-1.0.7: root@server [~]# pecl install geoip-1.0.7 downloading geoip-1.0.7.tgz ... Starting to download geoip-1.0.7.tgz (9,416 bytes) .....done: 9,416 bytes Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CST/-6.0/no DST' instead in PEAR/Validate.php on line 489 Warning: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/Chicago' for 'CST/-6.0/no DST' instead in /usr/local/lib/php/PEAR/Validate.php on line 489 3 source files, building running: phpize Configuring for: PHP Api Version: 20090626 Zend Module Api No: 20090626 Zend Extension Api No: 220090626 building in /var/tmp/pear-build-root/geoip-1.0.7 running: /root/tmp/pear/geoip/configure checking for egrep... grep -E checking for a sed that does not truncate output... /bin/sed checking for cc... cc checking for C compiler default output file name... a.out checking whether the C compiler works... configure: error: cannot run C compiled programs. If you meant to cross compile, use `--host'. See `config.log' for more details. ERROR: `/root/tmp/pear/geoip/configure' failed What is going on? Anyone that could assist please...

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  • Video Recorder Tool (Screencast) that is up to date

    - by Luis Alvarado
    I was looking at this post How to create a screencast? which mentions some of the Video Recorders (Screencast) that I was looking for but some of them are more than 8 months old with not one single update made to them. Am looking for a Screencast that is at least update recently and that I know that if I keep using it I could count on it being updated. The most important part is video recording but sound is good too. Maybe a windows area, mouse tracking, etc.. But it needs to be up to date and not abandoned or very old. And of course that works in 11.10 and has in mind to work in 12.04.

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  • Desktop Fun: Stargate SG-1 Customization Set

    - by Asian Angel
    Are you feeling nostalgic for the days of classic Stargate SG-1 adventure? Then get ready to dial up that DHD and gate into a whole new desktop with our Stargate SG-1 Customization set. Latest Features How-To Geek ETC How to Get Amazing Color from Photos in Photoshop, GIMP, and Paint.NET Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? Peaceful Alpine River on a Sunny Day [Wallpaper] Fast Society Creates Mini and Mobile Temporary Social Networks Page Zipper Unpacks Multi-Page Articles for Single-Page Display Minty Bug: Build an FM Bug Inside a Mint Container Get the MakeUseOf eBook Guide to Hacker Proofing Your PC Sync Your Windows Computer with Your Ubuntu One Account [Desktop Client]

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  • Google I/O 2010 - OpenID-based SSO & OAuth for Google Apps

    Google I/O 2010 - OpenID-based SSO & OAuth for Google Apps Google I/O 2010 - OpenID-based single sign on and OAuth data access for Google Apps Enterprise, Google APIs 201 Ryan Boyd, David Primmer A discussion of all the auth tangles you've encountered so far -- OpenID, SSO, 2-Legged OAuth, 3-Legged OAuth, and Hybrid OAuth. We'll show you when and where to use the APIs, code some example apps, and demonstrate how they all integrate with Google APIs and other developer products. We'll also talk about how these technologies relate to apps sold on the Google Apps Marketplace. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 8 0 ratings Time: 01:11:01 More in Science & Technology

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  • Actions and Controllers managing strategy in MVC apps

    - by singleton
    Can anyone name any usefull strategy/architectural pattern for allocating actions between different controllers when using MVC pattern for developing web application? I am now developing web app using asp.net Mvc3 framework and still can't figure out how to manage actions and controllers. One approach is to create single action controller for each url, but it's not the best choice since to much controllers have to be created. Should I list all available urls that are supported by me web app, devide them into groups and create separate controller for each group or act in any different manner? It seems like I will become face to face with some kind of mess with no consistent approach in managing actions and controllers.

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  • Does heavy library and snippet codes usage make you a bad programmer?

    - by Henrik P.
    Overall I'm in programming for about 8 years now and it seems to me that I'm relying more and more on open source libraries and snippets (damn you GitHub!) to "get the job done". I know that in time I could write me own implementation but I like to focus on the overall design. Is this normal (non cooperate environment)? Does it make you a bad programmer if "programming" is nothing more than cluing different libraries together. Feels like it. I know about "don't reinvent the wheel" but what happens when you don't invent a single wheel anymore. What's your take on this?

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  • 12.04: Having problem with REISUB

    - by Jerry-bliss
    Often my ubuntu freezes up altogether(only able to move my cursor). So i try to reboot using the keys "ALT+PrntScrn+REISUB", but this is what happens Once i finish hitting the keys RE, my screen goes BLACK and it shows up a few lines of commands (or whatever) which I dont understand. I have no other choice other than manually force shut down (by pressing power button for 3-4 seconds) Here is a screenshot of what my black screen displays as soon as I hit R,E What do these lines mean? Is there anyway I can safely restart my PC? (Since i was unable to use printscreen, i had to manually take a snap of my monitor using my camera. I had taken 3 pictures of the same screen, because I could not capture the entire text displayed on my screen in a single click)

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  • Bad FPS for smaller size (OpenGL ES with SDL)

    - by ber4444
    If you saw my other question, well, there is still a little problem: Click here to watch on youtube Basically, the frame rate is very bad on the actual device, where for some reason the animation is scaled (it looks like the left side on the video). It is quite fast on the simulator where it is not scaled (right side). For a test, I submitted this new changeset that hard-codes the smaller size (plus increases the point size for HII regions to make the dust clouds more visible), and as you see in the video, now it is slow even in the simulator (left side shows the small size, right side shows the original size -- otherwise the code is the same). I'm clueless why it's soooo slow with a smaller galaxy, in fact it should be FASTER. As for general speed optimization (which is not strictly part of my question but is closely related to it, esp. if we need a workaround to speed things up), some initial ideas: reducing the number of items drawn may affect the appearance negatively but screen resolution could be reduced there are too many glBegin(GL_POINTS)/glEnd() blocks, we could draw more than just a single star at once

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  • Iterating through folders and files in batch file?

    - by Will Marcouiller
    Here's my situation. A project has as objective to migrate some attachments to another system. These attachments will be located to a parent folder, let's say "Folder 0" (see this question's diagram for better understanding), and they will be zipped/compressed. I want my batch script to be called like so: BatchScript.bat "c:\temp\usd\Folder 0" I'm using 7za.exe as the command line extraction tool. What I want my batch script to do is to iterate through the "Folder 0"'s subfolders, and extract all of the containing ZIP files into their respective folder. It is obligatory that the files extracted are in the same folder as their respective ZIP files. So, files contained in "File 1.zip" are needed in "Folder 1" and so forth. I have read about the FOR...DO command on Windows XP Professional Product Documentation - Using Batch Files. Here's my script: @ECHO OFF FOR /D %folder IN (%%rootFolderCmdLnParam) DO FOR %zippedFile IN (*.zip) DO 7za.exe e %zippedFile I guess that I would also need to change the actual directory before calling 7za.exe e %zippedFile for file extraction, but I can't figure out how in this batch file (through I know how in command line, and even if I know it is the same instruction "cd"). Anyone's help is gratefully appreciated.

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