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How to Tell If At Least 1 File Exists in A Collection of Subfolders


How to Tell If At Least 1 File Exists in A Collection of Subfolders

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brad.mccollum
brad.mccollum
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This seems very simple but I'm drawing a blank...

I want start up an SSIS 2005 package and first check a collection of subfolders within a main folder to see if any clients have uploaded any files into any of these subfolders. I don't initially care about any file names. I just want to know if within several subfolders within a main folder if there is at least 1 file present. If there's at least 1 file present, then I want to move forward with the ETL process specified in my package.

I have this so far and there are tons of files within the subfolders contained within my main folder here but the fi.Length is constantly returning 0.


Public Sub Main()

Dim sSourceFolder As String
sSourceFolder = Dts.Variables("SourceFolder").Value.ToString

Dim di As DirectoryInfo = New DirectoryInfo(sSourceFolder)
Dim fi As FileInfo() = di.GetFiles("*.*")

If fi.Length > 0 Then
Dts.Variables("User::isFileExists").Value = True
Else
Dts.Variables("User::isFileExists").Value = False
End If

Dts.TaskResult = Dts.Results.Success
End Sub



Any suggestions where I'm going wrong here?
Jeff Moden
Jeff Moden
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Such code is a little out of my league but I don't see where you're drilling down past the main folder at all.

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

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Koen Verbeeck
Koen Verbeeck
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Jeff is correct.
If there are no files in the main folders (except subfolders), you will get the 0 as a result.



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