kill

[ADO DOT NET]

Kill(My.Application.Info.DirectoryPath & "\*.txt")

I am deleting all text files with the above command.
but if there is no file I will get an error
I want to check first, and if theres at least one file with .txt ext. then run that command.
but dont know how to check if there is a file with a specific ext. ?
the name maybe anything...

 

[PlausiblyDamp]

System.IO.Directory.GetFiles can be used to check if any files match your criteria.

You may just want to catch there error though rather than checking first if there is the potential for new files to be created between the check and then the deletion...

 

[ADO DOT NET]

It simply returns an error:

System.IO.Directory.GetFiles("c:\*.txt")

I want to check if there is at least one .txt file in the specified path, possible?

 

[PlausiblyDamp]

http://msdn2.microsoft.com/en-us/library/wz42302f.aspx

 

[ADO DOT NET]

        If Directory.GetFiles(My.Application.Info.DirectoryPath, "*.txt") IsNot Nothing Then
            ...
        End If

Always occurs!

 

[mutant]

That will not work because even if there are no files matching the pattern, the method will still return an array (an empty one). Check the size of the returned array, if it is 0 then there are no files that match the requirement, if > 0 then you got some files.

 

[SonicBoomAu]

Could you use:

[VB]
If File.Exists (My.Application.DirectoryPath, "*.txt") then
File.Delete
End If
[/VB]

or

[VB]
Do While File.Exists (My.Application.DirectoryPath, "*.txt") = True
File.Delete
Loop
[/VB]