The file-systems tag has no wiki summary.
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1answer
97 views
Use of file processing system like NTFS for file system of Operating System [duplicate]
While reading the advantages of RDBMS,over a file processing system(like NTFS,FAT 32),I had a question in mind:
The popular operating systems(like Windows) continue to use file processing systems(like ...
-2
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1answer
73 views
How do I call a folder which contains 3rd-party scripts or modules? [closed]
For example, I have a /js/ folder that contains Javascript files which are used by my webpage. Inside it, I create a folder /foo/, which contains JS files that are used by my webpage and/or my ...
2
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2answers
144 views
Is it a bad idea to sync file system with remote server using HTTP?
I have started a project which will duplicate Dropbox or Google Drive behavior but using Amazon S3 az a backend.
Idea is very simple, a Node.js server that watchs a directory for file changes and PUT ...
0
votes
1answer
78 views
How to store other file types within a file type using Java (cross-platform)
I'm writing a program that runs/plays songs and videos. I need there to be two options, one where it stores the addresses of the files/media and another where it stores all the dependencies in its ...
3
votes
2answers
429 views
How to detect the encoding of a file?
On my filesystem (Windows 7) I have some text files (These are SQL script files, if that matters).
When opened with Notepad++, in the "Encoding" menu some of them are reported to have an encoding of ...
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5answers
361 views
Is it plausible to use a filesystem-based configuration format rather than an INI file?
After having had endless issues with INI-style configuration files and parsing them correctly (let along getting binary data right), a crazy idea crossed my mind recently:
What if an INI file like
# ...
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4answers
201 views
Best practice to sync long paths to filesystems where path length is limited?
I wrote a sync tool to synchronize folders/files from Alfresco to Windows.
PROBLEM:
In Alfresco, /files/can/have/very/very/very/long/filepaths/like/this.txt
The Windows API prevents me from creating ...
2
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3answers
536 views
Lowercase in Linux file names
As I find that UpperCase are really readable for first letter word separation in long complex names, I tend to give some of my Linux files names with some UpperCase. Mostly executables, some ...
0
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0answers
151 views
A proper file monitoring tool for Windows with notifications [closed]
Developing in PHP, I'm usually confronted with various log files: apache, web apps, error logs etc.
I'm currently using Notepad++ with the option to notify me when a file has changed. But when I need ...
0
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3answers
235 views
Which language is more suitable heavy file tasks?
I need to write a script (based on basic functions) to process /image/audio/video files. The process is mainly filesystem tasks and converts. The database of files has been stored by mysql. The script ...
3
votes
3answers
147 views
Storing lots of large strings with frequent “appends” and few reads
In my current project, I need to store a very long ASCII string to each instance of a given object. This string will receive an 2 appends per minute and will not be retrieved so frequently.
The ...
1
vote
1answer
200 views
NoSQL as file meta database
I am trying to implement a virtual file system structure in front of an object storage (Openstack). For availability reasons we initially chose Cassandra, however while designing file system data ...
2
votes
1answer
293 views
How to organize my site's file system properly?
Doing some reading on Stack Overflow, I've found a lot of information suggesting that proper organization of a file system is crucial to a well-written web app. One of the key pieces of evidence is ...
2
votes
1answer
330 views
File system implementation in MongoDB with GridFS
I am working on two projects that will both implement a Webdav server backed by a MongoDB GridFS. In each case, there is the potential for the system to store tens of millions of files spread across ...
2
votes
3answers
194 views
Is there an established convention for separating Windows file names in a string?
I have a function which needs to output a string containing a list of file paths. I can choose the separation character but I cannot change the data type (e.g. I cannot return a List<string> or ...
3
votes
1answer
258 views
Directory structure (file system design)
I was looking at how file systems are designed and noticed that most places say that the directory hierarchy can be implemented using a hash table.
Could someone please explain me how using a hash ...
1
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0answers
186 views
What are some good resources for learning about file systems? [closed]
I'd like to learn about file system design at a very detailed level. I'm currently in a graduate level operating systems course, and we're currently going over file systems. We mostly discuss papers ...
1
vote
2answers
227 views
Any pre-rolled System.IO abstraction libraries out there for Unit Testing?
To test methods that use the file system we need to basically put System.IO behind a set of interfaces that we can then mock, I do this with a DiskIO class and interface.
As my DiskIO code gets ...
2
votes
1answer
81 views
concurrency semantics reading a file being written (ext)
In Ext 3/4 filesystem, if I have a log file open and being appended to, if another process tries to read it (e.g. with cat), what happens?
Can the reading process read part of / an incomplete write?
...
0
votes
1answer
222 views
HTML5 file API or Java bridge to acces to local Files?
I've to access to files on the software user and I don't know if it's better to use a full JS app with HTML5 File Api rules or use Java and communicate with it ?
1
vote
6answers
727 views
Automatically delete files after they expire
I've got this idea for some time and I was wondering if anyone has seen such a feature/app in any operating system and if you haven't, what do you think about it. Where do you think I should begin?
...
2
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4answers
230 views
Where can I learn about how programs handle file systems like NTFS?
I'm writing a program to handle the xbox 360's STFS files. I'm encountering all sorts of problems about how to keep track of used vs unused blocks, reading non-sequential files, etc. These aren't so ...
4
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5answers
2k views
How to Model a simple file-system by UML class diagram
I want to model a file system which contains both files and directories, and directories can contain either files or other directories.
This is what I have reached so far:
In OOSE book, however, a ...
1
vote
1answer
109 views
“t-sql” tool for csv files?
Is there a tool that allows to query files based on the following criteria, and change them?
creation date
filenames (e.g. filetypeA_YYYYMMDD_data2.blah)
file content
For the example, the workflow ...
1
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6answers
183 views
Ways of marking changes being made to a file
I am looking for a lightweight way to notate changes made to a file. The obvious answer to this is a version control system. But this is more robust than necessary for what I would like to do. All I ...
8
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5answers
254 views
Examples of limitations in IT due to different bit length by design
I am teaching the course "Introduction in Programming" for the first-year students and would like to find interesting examples where the datatype size in bits, chosen by design, led to certain known ...
3
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3answers
170 views
Filesystems that use logging: If you're writing the data in the log (on disk), and in the actual locations themselves (also on disk) then…?
Aren't you essentially writing the same data twice, to the disk? Doesn't this cause a slowdown of a factor of ~2x?
What optimizations can be made to minimize the cost of having to write things twice?
...
2
votes
3answers
340 views
Scalable distributed file system for blobs like images and other documents
Cassandra & HBase both do not efficiently support storage of blobs like images. Storing directly on HDFS stresses the Namenode because of huge number of files. Facebook uses Haystack for images ...
25
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11answers
2k views
Why are there so many competing filesystem designs? [closed]
Just a quick question, but why are there so many file systems still competing and in use today? (ntfs, fat32, ext3(ffs), etc)
It seems that file system designers could agree upon the best aspects of ...
4
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2answers
185 views
Is there a fundamental reason for keeping file systems and versioning systems separate?
I've done some work looking at Next3 and ext3cow, and a few other file systems that provide snapshots and/or file versioning. It seems a bit strange to me that file systems only go part-way with ...
8
votes
4answers
369 views
File shredder algorithm
As a part of learning system programming, I am looking to implement a file shredder. The simplest way (and probably seen as naive) would be to replace the data bytes with zeroes (I know OS splits the ...
8
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5answers
464 views
Why is filesystem preferred for logs instead of RDBMS?
Question should be clear from its title. For example Apache saves its access and error logs in files instead of RDBMS no matter on how large or small scale it is being utilized.
For RDMS we just have ...
5
votes
4answers
746 views
Why is Tortoise SVN case sensitive?
I've recently encountered this using TortoiseSVN, but I assume it will be the same for CVS based programs (correct me?).
Out of pure curiosity, is there any reason why the CVS filesystem is ...
3
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7answers
471 views
How do i speedily traverse a file system while extracting/extrapolating various data and provide user feedback?
I'm working on a system file scanner that reveals info about various files (e.g. size, last used, duplicates, etc). Currently I'm traversing the file system once just to get a good measure of the ...
2
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4answers
444 views
Can memristors change programming paradigms? In what way?
Think about persistent storage that can preserve pointers: among other things there is no need to serialize/deserialize data. For example, you typically build a tree structure and then serialize it ...
