Creating temporary folders

Question :

Creating temporary folders,

Answer :

I am working on a program that needs to create a multiple temporary folders for the application. These will not be seen by the user. The app is written in VB.net. I can think of a few ways to do it such as incremental folder name or random numbered folder names, but I was wondering, how other people solve this problem?

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Update: Added File.Exists check per comment (2012-Jun-19)

Here’s what I’ve used in VB.NET. Essentially the same as presented, except I usually didn’t want to create the folder immediately.

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The advantage to use  is that it doesn’t create a file, so you don’t have to clean up if your using the name for something other than a file. Like using it for folder name.

Private Function GetTempFolder() As String      Dim folder As String = Path.Combine(Path.GetTempPath, Path.GetRandomFileName)      Do While Directory.Exists(folder) or File.Exists(folder)          folder = Path.Combine(Path.GetTempPath, Path.GetRandomFileName)      Loop        Return folder  End Function  

Random Filename Example:

C:Documents and SettingsusernameLocal SettingsTempu3z5e0co.tvq


Here’s a variation using a Guid to get the temp folder name.

Private Function GetTempFolderGuid() As String      Dim folder As String = Path.Combine(Path.GetTempPath, Guid.NewGuid.ToString)      Do While Directory.Exists(folder) or File.Exists(folder)          folder = Path.Combine(Path.GetTempPath, Guid.NewGuid.ToString)      Loop        Return folder  End Function  

guid Example:

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C:Documents and SettingsusernameLocal SettingsTemp2dbc6db7-2d45-4b75-b27f-0bd492c60496

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Disclaimer :

The answers provided above are only to be used to guide the learning process. The questions above are open-ended questions, meaning that many answers are not fixed as above. I hope this article can be useful, Thank you