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  • Why does plymouth start so late?

    - by Marky
    It appears that starting with 11.04 Plymouth starts so late in the boot process. Sometimes I only have a split second to see it before it transitions to the login screen. This is the same for 11.10. Compared to 10.04 and 10.10, Plymouth starts only a couple seconds or so after Grub and is very visible within the entire boot process. Is there something that can be done to have Plymouth run earlier? I have experienced this on 3 different machines and on 2 of these machines, I've been running Ubuntu since 10.04. So it's not just my notebook's hardware that is causing this. *One a side note, the boot process is one of the ugliest parts of modern Linux. Ubuntu is not excluded. After almost a decade, (I forget but was bootsplash the first?) this still has only been partly solved. For a couple of seconds ugly text is still seen when shutting down. On several ocassions, the same ugly text is seen when logging out of a session. It's never as smooth as you want it to be. Splash themes are great, don't get me wrong. It's just the transitions that are way off and you get glimpses of what's underneath. I'm used to this but for those new to Ubuntu and coming from Windows. It is a turn off.* pardon the rant. :)

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  • Is there any way to distribute x264 encoding jobs across multiple computers (to increase the encodin

    - by Breakthrough
    Does anyone know of a current, active solution to encoding x264 videos across many computers (via the network) to increase encoding FPS? I heard in the past of the project x264farm; unfortunately, it is not actively developed anymore, and isn't compatible with newer x264 builds. I'm looking for a current solution, which is compatible with newer builds of x264. Just to note this, I'm a Windows user, so I'm only looking for Windows solutions (or at the very least, Linux). I've also seen the ELDER distributed encoder, but the quality varies depending on the settings you use - I'd prefer a solution similar to x264farm as noted above (the documentation outlines the encoding process), but one that is compatible with new(er) x264 builds, and is preferably actively developed. Final Edit: Unfortunately, the bounty for this question has expired, and I haven't found a decent solution for this. So if at any time someone finds a new, distributed encoding solution for x264 (or any h.264 coded, for that matter) - please answer this question! I'd love to discover an ideal method to make this work!

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  • Mail sending program & exchange server

    - by Emre
    Hi, I have been asked to send about 6500 e-mails to addresses in a member database. I have written the program, that sends and reports the ones that couldn't send etc. But my concern is that this program will just call smtpclient.Send(); and I don't know what happens if 6000 mails are in the queue. Server is MS Exchange as I have been told. Note: I am planning to send them, say 500 by 500. But what if an exception occurs on the Exchange server at 120... then what happens to the other ones.. I will appreciate little insight to the subject. Thanks in advance.

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  • Commands in Task-It - Part 1

    Download Source Code NOTE: To run the source code provided your will need to update to the RC (release candidate) versions of Silverlight 4 and VisualStudio 2010. In recent blog posts, like my MVVM post, I used Commands to invoke actions, like Saving a record. In this rather simplistic sample I will talk about the basics of Commands, and in my next post will get deeper into it. What is a Command? I remember the first time a UI designer used the word "command" I wasn't really sure what she was referring to. I later realized that it is just a term that is used to represent some UI control that can invoke an action, like a Button, HyperlinkButton, RadMenuItem, RadRadioButton, etc. Why should we use Commands? I'm sure you're familiar with the code behind approach of handling events. For example, if you had a Button and a RadMenuItem that ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Using SQL Server profiler from 2008 against R2 database

    - by Chris Lively
    On my dev machine I have the management studio tools installed from SQL Server 2008. However, one of the sql server boxes I need to profile against is running R2. Because of this, when I start the profiler and connect to that server all of the templates are gone. If I go to Edit the templates, the R2 server type isn't available as an option. Do I have to upgrade my local toolset to R2 or is there some other way around this? Note, that if I create a template and save it the next time I connect to the server that saved template isn't available.

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  • How do I start Chrome using a specified "user profile"?

    - by Danny Tuppeny
    I use the new built-in "Users" feature of Chrome to switch between Home/Work accounts easily. However, Chrome remembers the "last" user profile you had selected when launching new windows. This is a problem if I close down my "Home" profile last, because when I then click the Email shortcut on my taskbar, because it goes to mail.mycompany.com using my Home profile, and I'm not logged in. I'd like to change the shortcut to the company webmail to pass a switch that tells Chrome to always start as the "Default" user, regardless of the last one used. Note: I have tried user-data-dir, and this seems to do something very different, completely isolated from the Users functionality built in to Chrome. It's possible I'm using it wrong, but please test this before assuming it does the same thing and posting an answer ;-)

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  • Oh snap! My RPi was upgraded to 512MB! Woo-hoo!

    - by hinkmond
    I ordered a Raspberry Pi Model B (256MB) over 4 months ago on backorder. When it finally came I saw it was upgraded to the new half a gig model! Woot! But, all was not perfect. Gary C. told me the shipped configuration of the new RPi models didn't have the right firmware for 512MB, and I had to upgrade the start.elf in the /boot directory to recognize all of the 512MB RAM. I did a "free" command, and sure enough saw only 240MB. Sadness. But, Gary gave me a copy of his start.elf which worked after some trail and error. For anyone ordering the new RPi Model B w/512MB, here are the steps to get you going with full 512MB RAM: sudo apt-get update --fix-missing sudo apt-get upgrade --fix-missing # NOTE: This step takes at least a couple hours on a # fast network wget https://raw.github.com/raspberrypi/firmware/\ 164b0fe2b3b56081c7510df93bc1440aebe45f7e/boot/\ arm496_start.elf sudo mv /boot/start.elf /boot/orig-start.elf sudo mv arm496_start.elf /boot/start.elf sudo reboot free total used free shared buffers cached Mem: 497768 210596 287172 0 16892 169624 -/+ buffers/cache: 24080 473688 Swap: 102396 0 102396 So of course this means... (drumroll) there is now 498MB available for the Java Embedded heap! java -Xmx400m -version java version "1.7.0_06" Java(TM) SE Embedded Runtime Environment (build 1.7.0_06-b24, headless) Java HotSpot(TM) Embedded Client VM (build 23.2-b09, mixed mode) Yeah, baby! Hinkmond

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  • What's Up for "We're Almost There" Wednesday

    - by Oracle OpenWorld Blog Team
     By Karen Shamban Wow - can't believe we're looking at Wednesday already!  Still so much to do, places to go, people to talk with. The last day for the Exhibition Halls is Wednesday, so be sure to spend time there if you haven't done so already. And don't forget (as if you would) that the famed Oracle Appreciation Event is Wednesday night on Treasure Island.  Here are just some of the big things happening Wednesday, October 3: Registration Moscone West, Moscone South, Hilton San Francisco, Westin St. Francis, Hotel Nikko, 7:00 a.m. - 6:30 p.m. Oracle OpenWorld Keynote featuring Oracle executives John Fowler, Edward Screven, and Juan Loiaza Moscone North Hall D, 8:00 a.m. - 9:45 a.m. Exhibition Halls Open Moscone South and Moscone West, 9:45 a.m. - 4:00 p.m. General Sessions Various times and locations Sessions, Demos, Labs Various times and locations Oracle Appreciation Event, featuring Pearl Jam, with Kings of Leon and X Treasure Island, 7:30 p.m. - 1:00 a.m. (note: must have approved wristband to attend) After what is sure to be a late night, it's good to know that the Thursday keynotes don't start until 9:00 a.m. They're going to be really great, so you won't want to miss them!

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  • retransmission of lost TCP segment

    - by tcpip
    What will happen in the following scenario (assume the connection is already established): (stack A) send 10 byte data (stack B) send ACK for 10 byte data (stack B) send 200 byte data (stack B) send 100 byte data (stack B) send 50 byte data (stack A) send ACK for 350 byte data and also send 70 bytes data This segment gets lost and does not reach machine B. (stack B) retransmit 200 byte data (step 3) (stack A) send ACK for 200 byte data and the next expected seq number as the one for 70 bytes data Question: Should 70 bytes data be also transferred with the ACK in step 8? Note that the retransmission timer for step 6 has not expired yet.

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  • Clicking on Dock icon does not bring window on top (OS X Lion)

    - by Andrey Fedoseev
    I am using OS X Lion and I have a very annoying problem with windows not showing up when I click on Dock icons. It happens when I have some windows opened in one space but I am viewing another space at the moment. For example, I have Mail and Skype on space #2 but I am on space #1. Note that all windows are not minimized. I want to quickly switch to Mail. So I click on Mail icon in Dock, it switches the space to #2, menubar shows that active window is Mail but Mail window is actually below Skype window. The strangest thing is that sometimes it works as expected showing the Mail on top. I can't see any logic here, it's absolutely unpredictable, thus annoying. Does anyone experienced such problems? I wonder if it's a bug or correct behaviour. Is there any way to fix that?

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  • How to create shared home directories across multiple computers?

    - by Joe D
    I know there are ways to share a folder across computers making it easy to move files. But I was wondering how one would setup a single login which lets you access the same files regardless of which machine you login on? What I would like is something similar to something you would see in a college campus where students login on machines in the lab and see their files regardless of which machine they use. I know there are server involved here. I have a need to create this on a smaller scale where we have a few computers available (and one of these could act as the server if needed and host the files) that every one shares. Note, the specific install of software might be different on each computer but the login and OS are the same. Since some computers have additional capability that our group members will need to use at rotating schedules (software licenses or hardware components, etc.). I have not done this before, so I would appreciate detailed instructions if possible or a reference to a guide that describes this. Thanks in advance.

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  • How do I change the NGINX user?

    - by danielfaraday
    I have a PHP script that creates a directory and outputs an image to the directory. This was working just fine under Apache but we recently decided to switch to NGINX to make more use of our limited RAM. I'm using the PHP mkdir() command to create the directory: mkdir(dirname($path['image']['server']), 0755, true); After the switch to NGINX, I'm getting the following warning: Warning: mkdir(): Permission denied in ... I've already checked all the permissions of the parent directories, so I've determined that I probably need to change the NGINX or PHP-FPM 'user' but I'm not sure how to do that (I never had to specify user permissions for APACHE). I can't seem to find much information on this. Any help would be great! (Note: Besides this little hang-up, the switch to NGINX has been pretty seamless; I'm using it for the first time and it literally only took about 10 minutes to get up and running with NGINX. Now I'm just ironing out the kinks.)

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  • Do most front and rear USB connections deliver the same power and performance?

    - by Bratch
    I was reading this Three Monitors For Every User and there were some comments about rear USB ports being able to deliver more power than front USB ports because they are directly connected to the motherboard and closer to the power supply (by circuit board runs). Even though the front USB ports may have connectors farther from the power supply, and there are cables from the motherboard to the front ports, I think that the difference in power would be negligible (unless the case is over 5 meters long). Anyone know for sure if they are the same or different? Note that I'm not talking about an older case where the front might have been USB 1.1 and the rear USB 2.0. A modern case would have USB 2.0 on all ports. And of course using a powered hub would deliver plenty of power.

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  • Entry level engineer question regarding memory mangement

    - by Ealianis
    It has been a few months since I started my position as an entry level software developer. Now that I am past some learning curves (e.g. the language, jargon, syntax of VB and C#) I'm starting to focus on more esoteric topics, as to write better software. A simple question I presented to a fellow coworker was responded with "I'm focusing on the wrong things." While I respect this coworker I do disagree that this is a "wrong thing" to focus upon. Here was the code (in VB) and followed by the question. Note: The Function GenerateAlert() returns an integer. Dim alertID as Integer = GenerateAlert() _errorDictionary.Add(argErrorID, NewErrorInfo(Now(), alertID)) vs... _errorDictionary.Add(argErrorID, New ErrorInfo(Now(), GenerateAlert())) I originally wrote the ladder and rewrote it with the "Dim alertID" so that someone else might find it easier to read. But here was my concern and question. "Should one write this with the Dim AlertID, it would in fact take up more memory; finite but more, and should this method be called many times could it lead to an issue? How will .NET handle this object AlertID. Outside of .NET should one manually dispose of the object after use (near the end of the sub)." I want to ensure I become a knowledgeable programmer that does not just rely upon garbage collection. Am I over thinking this? Am I focusing on the wrong things?

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  • Are You Specialized, Excellent and Want to be Recognized for your Efforts? – Submit by July 9th 2012

    - by Kristin Rose
    You’re simply the best, better than all the rest, better than anyone! We here at OPN thought this might be the perfect opportunity to quote the great Tina Turner when referring to our Specialized partners. You’re SO darn great in fact; we want you to submit your entries for the Oracle Excellence for Specialized Partner of the Year Awards! The Call for Submission is now open in many regions, so please make note of the submission deadlines- North America’s is July 9th at 12pm PT sharp. North America winners will receive the following benefits: Recognition at Oracle OpenWorld in San Francisco An Oracle Excellence Award for Specialized Partner of the Year – North America trophy will be sent to the winner’s office Use of the Award Logo for one year News coverage in Oracle Magazine, mention in an official Oracle Press Release, quote support for their own press releases from Group Vice-President, North America Alliances and Channels So, if you too think you’re company is the best, or just like Tina’s style, we want to hear from you! But hurry because the deadline is quickly approaching. Click here to find out which award your region qualifies for. What’s Love Got To Do With It, The OPN Communications Team

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  • Groovy Grapes in NetBeans IDE

    - by Geertjan
    The start of Groovy Grapes support in NetBeans IDE. Below you see a pure Groovy project, with the Groovy JAR and the Ivy JAR automatically on its classpath. There's also a Groovy script that makes use of a @Grab annotation. In the bottom left, in the Services window, you also see a Grape Repository browser, i.e., showing you the JARs that are currently in ".groovy/grapes". Click the images below to get a better look at them. Next, you see what happens when the project is run. The @Grab annotation automatically starts downloading the JARs that are needed and puts them into the ".groovy/grapes" folder. However, the "no suitable classloader found for grab" error message (which Google shows is a problem for lots of developers) prevents the application from running successfully: The final screenshot shows that I've put the JARs that I need onto the classpath of the project. I did that manually, hoping to learn from the NetBeans Maven project or the NetBeans Gradle project how to do that automatically. Also note that the @Grab annotation has been commented out. Now the error message about the classloader is avoided and the project runs. What needs to happen for Groovy Grapes support to be complete in NetBeans IDE: Figure out how to add the downloaded JARs to the project classpath automatically. Fix the refresh problem in the Grape Repository browser, i.e., right now the refresh doesn't happen automatically yet. Hopefully find a way to get around the grab classloader problem, i.e., it's not ideal that one needs to comment out the annotation. Let the user specify a different Grape repository, i.e., right now ".groovy/grapes" is assumed, but the user should be able to point the repository browser to something different. Maybe there should be support for multiple Grape repositories? Comments/feedback/help is welcome.

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  • VirtualBox cannot start a virtual machine on Windows 7

    - by Zan Lynx
    Note that this question is mostly so others can find this information. I ran into a problem recently with my Fedora-14 virtual machine running on a Windows-7 host with VirtualBox. VirtualBox could not start the Fedora virtual machine, but it could start a Ubuntu virtual server machine that was configured for 512 MB of RAM. The Fedora-14 machine was configured for 2 GB of RAM. The Fedora-14 machine had been working a week ago. What had I recently changed...? Answer to follow.

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  • Code Clone Analysis on Rawr &ndash; Part 1

    - by Dylan Smith
    In this post we’ll take a look at the first result from the Code Clone Analysis, and do some refactoring to eliminate the duplication.  The first result indicated that it found an exact match repeated 14 times across the solution, with 18 lines of duplicated code in each of the 14 blocks.   Net Lines Of Code Deleted: 179     In this case the code in question was a bunch of classes representing the various Bosses.  Every Boss class has a constructor that initializes a whole bunch of properties of that boss, however, for most bosses a lot of these are simply set to 0’s.     Every Boss class inherits from the class MultiDiffBoss, so I simply moved all the initialization of the various properties to the base class constructor, and left it up to the Boss subclasses to only set those that are different than the default values. In this case there are actually 22 Boss subclasses, however, due to some inconsistencies in the code structure Code Clone only identified 14 of them as identical blocks.  Since I was in there refactoring the 14 identified already, it was pretty straightforward to identify the other 8 subclasses that had the same duplicated behavior and refactor those also.   Note: Code Clone Analysis is pretty slow right now.  It takes approx 1 min to build this solution, but it takes 9 mins to run Code Clone Analysis.  Personally, if the results are high quality I’m OK with it taking a long time to run since I don’t expect it’s something I would be running all that often.  However, it would be nice to be able to run it as part of a nightly build, but at this time I don’t believe it’s possible to run outside of Visual Studio due to a dependency on the meta-data available in the VS environment.

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  • Remove Trailing Slash from WordPress URL (The site also don't have www)

    - by mrintech
    I need help as I am confused a lot with .htaccess Some months back, I removed WWW from the URL of my domain name using following .htaccess lines: RewriteCond %{HTTP_HOST} !^example.com$ [NC] RewriteRule ^(.*)$ http://example.com/$1 [L,R=301] Now, I also want to remove the trailing slash from the URL, as because I am using WordPress and a page/post will open, no matter if there's a trailing slash or NOT! I request you to please provide me the .htaccess code, so that I can REMOVE the trailing slash. Kindly remember, I don't want WWW also and I have already set .htaccess rule for the removal of WWW Note: 3 Years back when I started the blog, I set the Permalinks Structure without trailing slash. Now, suddenly Google Webmasters Tools is showing warnings. Also, the URL for rel="canonical" is WITHOUT trailing slash If you require any more details, I will be happy to provide

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  • Why would one bother marking up properly and semantically?

    - by Madara Uchiha
    Note that I (try) to mark up as semantically as possible because I like they way it looks and feels, but not because I'm aware of any other stunning advantages. The point of my question is to be able to educate others Well, I've seen a lot of articles and tutorials which often state "Let's mark this up in the most semantic possible way". But a strange thought came to me, why? Why would one need (or want) to bother with the specific elements which convey the correct semantic meaning? Specifically, I'm referring to the new HTML5 elements, such as <time>, <output>, or <address>. Especially, if the page "works" (it renders nicely in all browsers). Why would I want to use elements like <time> or <address>, where nothing at all (or at the worst case, a generic <span>) works just as nicely? I'm asking this because I'm seeing a multitude of (very popular) websites (this one included) which does not follow these so-called best practices.

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  • Can I use a wildcard to denote subdirectories as opposed to just files in the Windows Command Prompt

    - by Dinosaurus
    I know I can use a wildcard to list the files in a single directory: dir *.java However, does anyone know if it is possible to denote a subdirectory with a wildcard as well? I would like to do something like dir classes/*/*.java Where, it will list all the java files in every subdirectory beneath the classes directory. So, if there is: classes/cs1100/ classes/cs1200/ classes/cs1500/ It will list all the java files within these. Note, I'm not using this specifically for the "Dir" command, but instead another command line tool that accepts a list of files. But, if it works for Dir, it shoudl work in my other program as well.

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  • Select Data From XML in MS SQL Server (T-SQL)

    - by Doug Lampe
    So you have used XML to give you some schema flexibility in your database, but now you need to get some data out.  What do you do?  The solution is relatively  simple:   DECLARE @iDoc INT /* Stores a pointer to the XML document */ DECLARE @XML VARCHAR(MAX) /* Stores the content of the XML */   set @XML = (SELECT top 1 Xml_Column_Name FROM My_Table where Primary_Key_Column = 'Some Value')   EXEC sp_xml_preparedocument @iDoc OUTPUT, @XML   SELECT * FROM OPENXML(@iDoc,'/some/valid/xpath',2)                      WITH (output_column1_name varchar(50)  'xml_node_name1',                                                     output_column2_name varchar(50)  'xml_node_name2')   EXEC sp_xml_removedocument @iDoc   In this example, the XML data would look something like this:   <some>   <valid>     <xpath>       <xml_node_name1>Value1</xml_node_name1>       <xml_node_name2>Value2</cml_node_name2>     </xpath>   </valid> </some>   The resulting query should give you this:   output_column1_name    output_column2_name ------------------------------------------ Value1                 Value2   Note that in this example we are only looking at a single record at a time.  You could use a cursor to iterate through multiple records and insert the XML data into a temporary table.

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  • Weird behaviour/rendering of backspace in Terminal.app when SSHing into zsh using tmux/screen

    - by Nils Riedemann
    Hi there, I just stumbled upon a weird problem. When I SSH into my server (centos, zsh) and I type some stuff and hit backspace It looks like a space - but internally it really deleted the characters. ls -l a Note that the space between land a is actually when I hit backspace. When I now hit return ls -a gets executed. This is only in zsh, in bash it works fine. Hope anyone has an idea what this is all about and how to fix this. Update: Only happens when using tmux/screen

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  • Serializing network messages

    - by mtsvetkov
    I am writing a network wrapper around boost::asio and was wondering what is a good and simple way to serialize my messages. I have a message factory which can take care of dispatching the data to the correct builder, but I want to know if there are any established solutions for getting the binary data on the sender side and consequently passing the data for deserialization on the receiver end. Some options I've explored are: passing a pointer to a char[] to the serialize/deserialize functions (for serialize to write to, and deserialize to read from), but it's difficult to enforce buffer size this way; building on that, I decided to have the serialize function return a boost::asio::mutable_buffer, however ownership of the memory gets blurred between multiple classes, as the network wrapper needs to clean up the memory allocated by the message builder. I have also seen solutions involving streambuf's and stringstream's, but manipulating binary data in terms of its string representation is something I want to avoid. Is there some sort of binary stream I can use instead? What I am looking for is a solution (preferrably using boost libs) that lets the message builder dictate the amount of memory allocated during serialization and what that would look like in terms of passing the data around between the wrapper and message factory/message builders. PS. Messages contain almost exclusively built-in types and PODs and form a shallow but wide hierarchy for the sake of going through a factory. Note: a link to examples of using boost::serialization for something like this would be appreciated as I'm having difficulties figuring out the relation between it and buffers.

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  • How can I instruct nautilus to pre-generate PDF thumbnails?

    - by Glutanimate
    I have a large library of PDF documents (papers, lectures, handouts) that I want to be able to quickly navigate through. For that I need thumbnails. At the same time however, I see that the ~/.thumbnails folder is piling up with thumbs I don't really need. Deleting thumbnail junk without removing the important thumbs is impossible. If I were to delete them, I'd have to go to each and every folder with important PDF documents and let the thumbnail cache regenerate. I would love to able to automate this process. Is there any way I can tell nautilus to pre-cache the thumbs for a set of given directories? Note: I did find a set of bash scripts that appear to do this for pictures and videos, but not for any other documents. Maybe someone more experienced with scripting might be able to adjust these for PDF documents or at least point me in the right direction on what I'd have to modify for this to work with PDF documents as well. Edit: Unfortunately neither of the answers provided below work. See my comments below for more information. Is there anyone who can solve this?

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