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Questions tagged [file-access]

Questions about programmatically accessing individual files. For questions about accessing a file system, use [filesystem-access]. Use either of these in conjunction with the applicable tag such as [contention], [security] or [capacity] to indicate the focus of the question.

Questions about programmatically accessing individual files. For questions about accessing a file system, use . Use either of these in conjunction with the applicable tag such as , or to indicate the focus of the question.

510 questions
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How to ignore AccessDeniedExceptions when using Files.walkFileTree?

I want to track a complete hard drive partition (eg. D:) but I am getting the following exception: AccessDeniedException java.nio.file.AccessDeniedException: D:System Volume Information at…
swaheed
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Why do the System.IOUtils functions and TStreamReader use fmShareCompat?

When I first saw the System.IOUtils unit with functions like TFile.ReadAllBytes and TFile.ReadAllText and the TStreamReader and TBinaryReader classes in System.Classes I was quite excited to have easy ways to read binary and text files. After using…
Jens Mühlenhoff
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File access count in Linux

Is there a way how to effectively determine the number of accesses to a specific file and the process which accessed it without storing the access info by a 3rd party software? I'm looking for something built in inside the linux-based operating…
Dropout
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Is there any reason to open a file with shared-write access?

I've always opened my files two ways -- either read access and shared-read, or read/write access and no sharing. To me it seems that allowing shared-write could always result in unexpected things happening to the file while you're reading it. Are…
zildjohn01
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Denying direct access to a folder (only allow through app)

I need to prevent someone from directly accessing a pdf, instead only allowing them to be pulled through the app itself. How can this be done?
Keith Myers
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C# Application can't read/write to files created by administrator when run in limited user account XP

I have an application that is useable by all users (admin or limited) in .NET (C# specifically). When the application first launches - it creates a few files that it needs in the C:\Documents and Settings\All Users\Documents\ for all subsequent…
jonathanq
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Java - Access file with user authentication

I have a server where I work with a database and files using a java app. When I start my app I give a report regarding file access to the server using: public static boolean folderExists(String folderPath) { File folderToCheck = new…
Stefanos Kargas
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Access Denied error while opening file in JavaScript

When I try to open window.open('file///C:\calendar.html') it throws Access Denied error How do I fix this? Thanks
Silas Njoroge
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Howto synchronize file access in a shared folder using Java (OR: ReadWriteLock on network level)

I have multiple applications running in one virtual machine. I have multiple virtual machines running on one server. And I have multiple servers. They all share a file using a shared folder on linux. The file is read and written by all applications.…
Eduard Wirch
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Most efficient way to store/retrieve a dictionary in C#?

I have a dictionary which I need to store and retrieve as efficiently as possible from the disk. The key length (string) will typically vary from 1 to 60 characters (unicode) but could exceed that length (this is however marginal and…
Sylverdrag
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Cannot delete temporary file after File.Copy in C#

After copying a file to a temporary directory, I am unable to delete the copy because of an UnauthorizedAccessException exception. The idea here is to get a copy of the file, zip it and then delete the copy, but after removing all the code between…
jveazey
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Hadoop map-reduce operation is failing on writing output

I am finally able to start a map-reduce job on Hadoop (running on a single debian machine). However, the map reduce job always fails with the following error: hadoopmachine@debian:~$ ./hadoop-1.0.1/bin/hadoop jar hadooptest/main.jar…
openbas2
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What is the difference between file and random access file?

what is the difference between file and random access file?
Mahendra
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Correct way of checking a directory is available for writing

I recently added the use of GetTempPath to the application. During code review it was highlighted that the description of GetTempPath contains the information: The application should verify the existence of the path and adequate access rights to…
graham.reeds
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how can i access a file/folder over network through XP_CMDSHELL in sql server 2008?

I am trying to access a folder/directory using 'EXEC MASTER..XP_CMDSHELL' it works for the local file/folder, how ever it can not access the folder over network. EXEC MASTER..XP_CMDSHELL 'c:\Images' --Works fine EXEC MASTER..XP_CMDSHELL…
Yaqub Ahmad
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