Solved

String manipulation

Posted on 2012-04-04
4
204 Views
Last Modified: 2012-04-04
Hi,

hopefully simple question for vb.net experts.  If i have string variable that looks something like this:

Dim s as String = "C:\Folder1\Folder2\Folder3\File1.txt"

or the value of s could have somethign like this:

Dim s as String = "C:\a\b\c\File1.txt"

I want to basically navigate to the second folder so I end up with this:

Dim result as String = "C:\Folder1\Folder2\"

or

Dim result as String = "C:\a\b\"

thanks
0
Comment
Question by:yechan
  • 2
4 Comments
 
LVL 25

Expert Comment

by:Luis Pérez
ID: 37806022
If they will always be three folders, then you can do this:

Imports System.IO

Dim f As FileInfo = New FileInfo(s) 's will be C:\anyfolder1\anyfolder2\anyfolder3\anyfile.txt
Dim result As String = f.Directory.Parent.FullName 'this will give us the full path to the second directory

Open in new window


Hope that helps.
0
 
LVL 25

Expert Comment

by:Luis Pérez
ID: 37806035
If you want your final result be slash terminated ("c:\folder1\folder2\"), then you must check for it:

If (Not result.EndsWith("\")) Then result += "\"

Open in new window

0
 
LVL 23

Accepted Solution

by:
wdosanjos earned 400 total points
ID: 37806183
Here is another option with simple string manipulation and without the need of file IO:
Dim s as String = "C:\Folder1\Folder2\Folder3\File1.txt"

Dim result as String = s.Substring(0, s.IndexOf("\", s.IndexOf("\", s.IndexOf("\") + 1) + 1) + 1)

Open in new window

0
 
LVL 1

Author Comment

by:yechan
ID: 37806202
Great.  Thanks for the responses.  wdosanjos is exactly what i was looking for.
0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Recently while returning home from work my wife (another .NET developer) was murmuring something. On further poking she said that she has been assigned a task where she has to serialize and deserialize objects and she is afraid of serialization. Wha…
Many of us here at EE write code. Many of us write exceptional code; just as many of us write exception-prone code. As we all should know, exceptions are a mechanism for handling errors which are typically out of our control. From database errors, t…
Windows 10 is mostly good. However the one thing that annoys me is how many clicks you have to do to dial a VPN connection. You have to go to settings from the start menu, (2 clicks), Network and Internet (1 click), Click VPN (another click) then fi…
Migrating to Microsoft Office 365 is becoming increasingly popular for organizations both large and small. If you have made the leap to Microsoft’s cloud platform, you know that you will need to create a corporate email signature for your Office 365…

863 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

26 Experts available now in Live!

Get 1:1 Help Now