How to Get File Path

[Dustin Wilson]

I'm looking for a quick function that will give me just the path for a file.
For example if I have the string "C:\Temp\MyFile.txt", I want to just return
just the string "C:\Temp\". How is this done using VB.NET?

Thanks
Dustin

 

[Matthew Hazlett]

Somthing like this you mean:

Dim file As String = "C:\Temp\MyFile.txt"
Dim path As String = file.Substring(0, file.LastIndexOf("\"))

I didn't try it but that should work.

 

[Terry Olsen]

Dim x As String = "c:\MyDir\MyFile.txt"
Dim y As String = x.Substring(0, x.LastIndexOf("\") + 1)

I might be duplicating some internal VB function...but if I am, I
haven't discovered it yet...

 

[poldoj]

I think you should use the directory info object, here an example:
__________________

Imports System
Imports System.IO

Public Class MoveToTest

Public Shared Sub Main()
' Make a reference to a directory.
Dim di As New DirectoryInfo("TempDir")

' Create the directory only if it does not already exist.
If di.Exists = False Then
di.Create()
End If

' Create a subdirectory in the directory just created.
Dim dis As DirectoryInfo = di.CreateSubdirectory("SubDir")
Console.WriteLine("The root path of '{0}' is '{1}'", dis.Name,
dis.Root)

' Delete the parent directory.
di.Delete(True)
End Sub 'Main
End Class 'MoveToTest

 

[Guest]

Casting the string into DirectoryInfo Class does auto parsing and validation.

An improved code snippet would be:

Dim ldiTemp as New
System.IO.DirectoryInfo("C:\MyDirectory\MySubDirectory\MyFileName.txt")


'Check whether the file exists

If ldiTemp.Exists = True Then

lsFileName = ldiTemp.Name ' will return MyFileName.txt
lsDirectory = ldiTemp.Parent.FullName ' will return
C:\MyDirectory\MySubDirectory

End If

 

[Guest]

Check out the Path Class.
--
Dennis in Houston

Casting the string into DirectoryInfo Class does auto parsing and validation.

An improved code snippet would be:

Dim ldiTemp as New
System.IO.DirectoryInfo("C:\MyDirectory\MySubDirectory\MyFileName.txt")


'Check whether the file exists

If ldiTemp.Exists = True Then

lsFileName = ldiTemp.Name ' will return MyFileName.txt
lsDirectory = ldiTemp.Parent.FullName ' will return
C:\MyDirectory\MySubDirectory

End If

 

[Tom Shelton]

I'm looking for a quick function that will give me just the path for a file.
For example if I have the string "C:\Temp\MyFile.txt", I want to just return
just the string "C:\Temp\". How is this done using VB.NET?

Thanks
Dustin

Imports System.IO

....

Dim fi As New FileInfo ("C:\Temp\MyFile.txt")
Console.WriteLine (fi.DirectoryName)

 

[Guest]

Tom:

Yours is even simpler.

Venki

Imports System.IO

....

Dim fi As New FileInfo ("C:\Temp\MyFile.txt")
Console.WriteLine (fi.DirectoryName)

 

[Cor Ligthert [MVP]]

Dustin,

As David already told, use the io.path class it has all kinds of methods to
give you everyting. It exist as well for Uri's.

http://msdn.microsoft.com/library/d...us/cpref/html/frlrfsystemiopathclasstopic.asp

I hope this helps,

Cor

 

[Dustin Wilson]

Wow.. Many different way's to skin the same cat. Thank you all for
responses quick responses.

Thanks
Dustin

 

[Chris Dunaway]

How about just:

Console.WriteLine(Path.GetDirectoryName("C:\temp\myfile.txt")