Random file name generator

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Random file name generator

Note: SecureRandom. While it is not truly unique, for most applications it is safe to assume that it is unique.

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The following will generate UUID filenames in the following format:. In order to save the newly generated filename you have to call save! The following will generate hexadecimal filenames in the following format:. The shorter the filename, the more chance of duplicates occurring.

random file name generator

Unless you have a specific need for shorter filenames, it is recommended to use unique filenames instead see above. If you're using the methods described above, it might be a good idea to store tokens in a database column:.

Instance variables won't be persisted which means that if you're somehow manipulating existing images e. If you want to have the secure token changed each time a new file is uploaded for an existing image e. If you want to save the original filename for future reference you need to create a column in your ORM.

Then use the before :cache callback to put that name in your ORM. It is important to use the before :cache callback because SanitizedFile will alter the file name. Related: How to: Use a timestamp in file names. When setting the name of your directory, it is very important to not use a special SecureRandom name because Carrierwave will not be able to delete, update and edit any of the images once they have been uploaded.

Skip to content. How to: Create random and unique filenames for all versioned files Jump to bottom. Both of the methods below are available from Ruby 1. Unique filenames The following will generate UUID filenames in the following format: 1dfeb-c2bddd Pages You signed in with another tab or window.This tool allows you to quickly pick a random name winner from a list of names.

FAQ We have more than 10k names. How many names does this picker support? Our team ever tested k names, which cost the server seconds to generate the winner. If your list is less than 50k names, it should get the winner instantly. Yes, it is quite random. It is because we use server-side, not Javascript from users' local computers, to generate the random winner. And with our innovative 3-step Randomness Process Certification, it is almost impossible to change the winner by a person or malicious code.

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When you click Pick a Random Name button, the tool will submit all names line by line to our server. Then our server will use Python random module to generate one pseudo-random number between 1 to total names. Then it will choose the name with this random number as a winner. Why do you think server-side is more random than Javascript? Both are the same from the technical part - the random function from Python and Javascript both generate pseudo-random numbers.

However, it is a different story on actual real-world operations: If using random function from Javascript, as the full source codes are stored on users' local computers, it is impossible to prevent a malicious code or any person from doing something to bypass the random function and set a value to the "winner" directly.

It can happen in the background process, which other people can not see on the screen. It is something which the developers can not control. We don't want that somebody use our tool to raffle off a prize, but bypass the random process, and record a video to say, "Hey, we picked a random winner by a tool from miniwebtool.

By using server-side random function, the only thing that the malicious code or a person can change is the data source. For this situation, you can use our 3-step Randomness Process Certification to prove that the whole process is clean and "random. Is there any example for it? If you use Random Name Picker for raffles, contests, drawings, giveaways, and promotions, etc. For example, you use the name picker to raffle off a prize to 99 people from John Doe No. Our server will store a part of the information, including the winner's name asteriskedtotal names, timestamp, and a SHA hash code.

This is step 1. When you give this link and the full winner name to your attendees, most people will trust that your raffle is random. However, what if somebody doesn't like the winner, and want to check whether there are many duplicate John Doe No.

In this case, you can go to step 2 to download your client-side certification file to prove that your data source has no error. Finally, what if another John Doe doubt you have modified the file?

random file name generator

The SHA hash code should be the same if the file did not be changed. A person can use a fake screenshot or video to change the winner name from local computers, but can not change the information stored on our server. With the firmly secure SHA Hash, It is almost inconceivable that any modified file can pass step 3 verification. It is the reason that you can gain more credibility using our 3-step randomness process certification. How much does the certification cost? We appreciate all the users who helped us to develop our tools all the time.

If you think this tool is pretty good, please share this tool with your friends or add a link on your website. Why don't you host the full information on your server? It seems to be an easier solution for the certification.

Yes, it is easier from technical part but we can not do it due to our privacy policy. We never store any data visitors submit, because the data may contain lots of personal information.Searching for a freeware that would replace file names with numbers, while simultaneously changing their current order with a random one, I found nothing! Fortunately, the solution to this problem can be achieved using special, but not difficult, settings in this nice freeware called Bulk Rename Utility.

It is not obvious how you can enjoy random renaming, but it is easy.

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First load the folder that contains all those files you want renamed. This will change the current order of your files, which normally follows their current names or modification dates, etc.

Please note: to be sure that no conflicts occur, if you already have some of your files named after numbers, select a many-digits numbering.

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In any case, Bulk Rename Utility will notify you about all errors, it will even undo any renaming already done, so that you will have the chance to understand and eliminate all possible conflicts. Tags: auto number rename auto numbering auto rename bulk rename utility File Names files rename Rename Rename Files Renaming Utilities.

Skip to content Troubleshooter. Leave a comment. Related Posts: How to convert Greek file and folder names to Latin Greeklish with Bulk Rename Utility How to rename or delete files or folders with strange characters in their names Rename files and folders, even with profiles and with undo, using Bulk Rename Utility Batch rename even via tags or text files, with preview and undo, using Rename Master Search for multiple files file names at once in Windows Explorer Search rapidly your PC for file names, with Everything search engine Print, copy, save file and folder names and paths, with Karen Directory Printer Search file names and contents, even with regular expressions, using FileSeek Compare folders by file names and extensions, even copy or delete the differences, with Compare Folders Make Windows display intact file names in folders Rename or touch your files even with scripts, secured by limitless undo, with File Renamer Beautify the names of your files easily, with Filesman.

Enable Desktop Gadgets on Windows Random File Generator is a small-sized and portable application that has a pretty self-explanatory name - it lets you generate files with random records. The tool includes just a few configuration settings that shouldn't be too difficult to work with. Since installation is not a requirement, you can drop the EXE file somewhere on the hard disk and click it to run.

Otherwise, you can move Random File Generator to a USB flash disk or similar storage unit, in order to run it on any machine without prior installers. An important aspect to take into consideration is that the Windows Registry does not get updated with new entries, and files are not left behind on the HDD after removing the program. The app is packed in a user-friendly interface consisting of a single window with an intuitive structure. You can specify the record count, custom character set and each entry in the record definition table.

Last but not least, you can manage existing record definitions. It has a good response time and works well, without causing the operating to hang, crash or display error messages. All in all, Random File Generator is a reliable program for all users who want to create files with random records on the spot. Too bad it has not received updates for a very long time. Random File Generator. Lightweight and portable application that enables users to create text or binary files filled with random records, using low resources.

Random File Generator was reviewed by Elena Opris. Random File Generator 1. Load comments. All rights reserved.You seem to have CSS turned off.

Please don't fill out this field. If, like me, you have a car radio or a clock radio which cannot play tracks in random order from your usb stick itself, this application might be useful for you. It generates random numbers and puts them in front of every file in a specified folder. So all you've got to do when you want a new play order for your music tracks is run this application. File Order Randomizer Web Site. Could be better. If you have files with numbers at the beginning because you randomised them earlier and files without a number because you added them laterthen the software cannot handle that: you can add random numbers again, but then there will be file names with more digits in the name than the others, or you can delete the first characters for every file, but it actually deletes part of the name of the files without numbers, because the app cannot differentiate between numbers and letters.

Also, there is no undo function, so I have the correct my file names manually now.

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I was testing a small program RandomFileOrder. Seems an easy task. These files are show in the programs interface but not in explorer. There it stopped and caused a mess because only one half of the directory was renamed. How to avoid that or can someone recommend a program without such a drawback? Features I missed: include subdirectories, rename groups of selected files, define position of some files Made an account solely to recommend this.

Not only can it add random numbers, but it can also easily remove them for you with ease. Great app, I've updated it so it uses sequential numbers instead of just random and so you can choose the format of the naming.

You can find the updated version on github github. Please provide the ad click URL, if possible:. Help Create Join Login. Operations Management. IT Management. Project Management. Services Business VoIP. Resources Blog Articles Deals.

Menu Help Create Join Login. File Order Randomizer For cheap music players: Puts random numbers in front of every file.

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Status: Beta. Get project updates, sponsored content from our select partners, and more. Full Name. Phone Number. Job Title. Company Size Company Size: 1 - 25 26 - 99 - - 1, - 4, 5, - 9, 10, - 19, 20, or More. Get notifications on updates for this project. Get the SourceForge newsletter. JavaScript is required for this form. No, thanks. Project Samples. Project Activity.The unregistered version has limited names, but you can add your own temporarily. The registered version has millions of possible compinations, and you can add more to the database.

random file name generator

The "nickname" option is great for coming up with characters. Sure, I'd like it, if I liked the name Clinton! Seems like that was the only name it would generate for me! I don't reccommend this product The posting of advertisements, profanity, or personal attacks is prohibited.

Click here to review our site terms of use. If you believe this comment is offensive or violates the CNET's Site Terms of Useyou can report it below this will not automatically remove the comment.

Once reported, our staff will be notified and the comment will be reviewed. Overview User Reviews Specs. From Kitchona Software: Random Name Generator is great for writers who need a little help creating character names. Random Name Generator uses an editable seed file to create random male and female names with optional nicknames.

Some of the features and capabilities of Random Name Generator are: over million possible names with the registered version; copy names to clipboard for use in other applications; editable seed file; How Do I, a help section walks you through all procedures; and on-line. What do you need to know about free software? Explore Further. Publisher's Description. User Reviews. Sort Date Most helpful Positive rating Negative rating. Pros well, Random Name Generator 1. Cons Don't like interface.

Summary The unregistered version has limited names, but you can add your own temporarily. Summary Sure, I'd like it, if I liked the name Clinton! Summary its awesome! Results 1—6 of 6 1. Please Wait. Submit Your Reply. Summary: Count: 0 of 1, characters Submit cancel The posting of advertisements, profanity, or personal attacks is prohibited. Thank You for Submitting a Reply,! Note that your submission may not appear immediately on our site. E-mail This Review. E-mail this to: Enter the e-mail address of the recipient Add your own personal message: 0 of 1, characters Submit cancel.

Thank You,! Report Offensive Content.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I have implemented an algorithm that will generate unique names for files that will save on hard drive. I'm appending DateTime : Hours,Minutes,Second and Milliseconds but still it generates duplicate name of files because im uploading multiple files at a time.

What is the best solution to generate unique names for files to be stored on hard drive so no 2 files are same? If readability doesn't matter, use GUIDs. In my programs, I sometimes try e.

Random Name Generator

Recently, I've also use DateTime. Ticks instead of GUIDs:. The benefit to me is that this generates a shorter and "nicer looking" filename, compared to GUIDs. Please note that in some cases e. Stick to GUIDs if you want to make really sure that the file names are unique, even when transfering them to other computers. If the readability of the file name isn't important, then the GUID, as suggested by many will do.

However, I find that looking into a directory with GUID file names is very daunting to sort through. So I usually use a combination of a static string which gives the file name some context information, a timestamp, and GUID. This way, when I sort by filename, it will automatically group the files by the context string and sort by timestamp. Here's an algorithm that returns a unique readable filename based on the original supplied. If the original file exists, it incrementally tries to append an index to the filename until it finds one that doesn't exist.

It reads the existing filenames into a HashSet to check for collisions so it's pretty quick a few hundred filenames per second on my machineit's thread safe too, and doesn't suffer from race conditions. For example, if you pass it test. I use GetRandomFileName :. The GetRandomFileName method returns a cryptographically strong, random string that can be used as either a folder name or a file name. When the security of your file system is paramount, this method should be used instead of GetTempFileName.

You can have a unique file name automatically generated for you without any custom methods. The key here is: CreationCollisionOption. How about using Guid. NewGuid to create a GUID and use that as the filename or part of the filename together with your time stamp if you like. I've written a simple recursive function that generates file names like Windows does, by appending a sequence number prior to the file extension.

We can use DateTime. Ticks and Guid. ToString to combine together and make a unique id. As the DateTime. Ticks is added, we can find out the Date and Time in seconds at which the unique id is created. We can even take the part of ticks in unique id and check for the date and time later for future reference.


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