VB script will not traverse every file in a given folder - vbscript

I am new to VBscript and am looking to write a simple script that changes a couple cells in a few thousand csv files in a given folder location. I have a good start, and it all seems to be working, except for the fact that when I run the script (from a .bat file that just calls the script) it only changes and moves 3-8 files at a time. The number of files it changes is random, its not like it always changes 5 files or something. I am not sure what is wrong in the code as to why it will not edit and move every single file and only does a couple at a time, here is what I have so far, thanks in advance for any help:
Set objFSO = Wscript.CreateObject("Scripting.FileSystemObject")
Set colFiles = ObjFSO.GetFolder("C:\Users\xxx\BadCSVs").Files
Set xl = CreateObject("Excel.Application")
For Each objFile in colFiles
If LCase(objFSO.GetExtensionName(objFile)) = "csv" Then
Set wb = xl.Workbooks.Open(objFile)
Set sht = xl.ActiveSheet
If(sht.Cells(1,11) <> "") Then
sht.Cells(1,8) = sht.Cells(1,8) & sht.Cells(1,9)
sht.Cells(1,9) = sht.Cells(1,10)
sht.Cells(1,10) = sht.Cells(1,11)
sht.Cells(1,11) = Null
wb.Save
wb.Close True
Else
'if file is opened up and has only 10 columns of data, then it makes no changes, then closes it.
wb.Close
End If
End If
Next
xl.Quit

Your EVIL global
On Error Resume Next
hides errors. Disable/Remove it and test again.
Your
wb.Close SaveChanges=True
passes the boolean result of comparing SaveChanges (undefined/empty) vs. the boolean literal True. Perhaps you copied VBA code
wb.Close SaveChanges:=True
(mark the colon) that is not legal in VBScript?
And
Set xl = CreateObject("Excel.Application")
should be paired with an
xl.Quit
If you invoke Excel in the loop, terminate it there. I would try to start/quit Excel out of the loop, but you should test that approach carefully.

Related

Closing Word with VBScript leaves temporary word documents behind

I am having trouble closing a Word document with VBScript. When the Word document is opened (by the script) a temporary ~$ file is created by Word. For example, opening test.docx also creates a temporary file called ~$test.docx. I understand this is normal. But the problem is that when I close test.docx, the main document test.docx closes properly but ~$test.docx is left behind still open. With many files to process there is soon a large number of these temporary files. They show up in task manager as a background process. What am I doing wrong in closing the files? The code I am using is:
Set objWord = CreateObject("Word.Application")
objWord.Visible = False
objWord.DisplayAlerts = 0
objWord.Documents.Open FilePath 'FilePath previously set
'Do stuff (reading properties)
objWord.Documents.Close 0 'Close opened documents without saving
objWord.Quit
Set objWord = Nothing
It could be that the objWord variable is a 'global' reference to the Word application, defined somewhere at the top of the script.
This global reference remains in place as long as the calling program is active because the operating system will not end the automated application while the caller is active.
If that is the case here, wrapping the code in a function and defining the word object in there should solve it, because then the object has local scope and does not exist outside the function.
Something like this:
Function DoWordThings(FilePath)
Dim oWord
Set oWord = CreateObject("Word.Application")
oWord.Visible = False
oWord.DisplayAlerts = 0
oWord.Documents.Open FilePath 'FilePath now used as parameter to the function
'Do stuff (reading properties and returning them to the caller of this function)
oWord.Documents.Close 0 'Close opened documents without saving
oWord.Quit
Set oWord = Nothing
End Function

Error Saving File in Document Folder of Library

I am writing an HTA file with VBScript as the scripting language. I have a function where the user is prompted to choose the folder in which they would like to save a document. I didn't write this code myself, but instead borrowed it from here.
Function SelectFolder(myStartFolder)
Dim objFolder, objItem, objShell
Set objShell = CreateObject("Shell.Application")
Set objFolder = objShell.BrowseForFolder(0, "Select Folder to Save New File", 0, myStartFolder)
If IsObject(objFolder) Then SelectFolder = objFolder.Self.Path
End Function
I call this function in another one in order when I make the file and prompt the user to choose where to save it:
Sub Example()
Dim destPath, destFile, objWorkbook
destPath = SelectFolder(libPath)
destPath = destPath & "\Sample Export"
Set destFile = CreateObject("Excel.Application")
Set objWorkbook = destFile.Workbooks.Add()
objWorkbook.SaveAs(destPath)
(code to edit excel file)
End Sub
Example() works fine except when someone chooses to save their document in one of the four default libraries in Windows (Documents, Music, Pictures, Videos). In that case, I receive an error saying "The file could not be accessed" and indicating the error is at the line that says "objWorkbook.SaveAs(destPath)". The error box then gives me the following suggestions:
Make sure the specified folder exists
Make sure the folder that contains the file is not read-only
Make sure the file name does not contain any of the following characters: < > ? { } : | or *
Make sure the file/path name doesn't contain more than 218 characters.
The error occurs when I open the HTA file and click a button calling Example(), which then opens a dialog box to ask the user to choose the file location. When Documents, Music, Pictures, or Videos is chosen, a "Script Error" box pops up with the error message listed above. I am not familiar enough with VBScript to know what the problem is exactly. I would appreciate any suggestions as to what to do.
I don't know exactly what the solution to the above issue was. However, I noticed that the path I pass to SelectFolder had a typo in it. libPath was supposed to be to the %userprofile% from the environment variable. However, I had pluralized "userprofiles" so that it was %userprofiles% instead. This took me to somewhere that looked right but wasn't. I fixed the typo and now BrowseForFolder takes me to C:/Users/*username* like it's supposed to. It turns out that I was being sent to the Desktop location because of the fourth argument in BrowseForFolder, instead of the user profile like I wanted.

Select file by index from Files Collection

I'm trying to access a file by index using vbs but Item does not work as I expected. I would rather not have to loop all files as I'm trying to avoid a treewalk. I recieve the error "Error: Invalid procedure call or argument" on the line with colFiles.Item().
Randomize
Set objFSO = CreateObject("Scripting.FileSystemObject")
Set objFolder = objFSO.GetFolder(fFolder.Path)
Set colFiles = objFolder.Files
Set objFile = colFiles.Item(Int(colFiles.Count * Rnd))
I'm sure it's obvious, but my searching only shows example using loops.
VBScript does not support random/index access to the elements of the .Files collection. You'll have to For Each loop, pick a random file, and Exit the loop.
Update:
According to the docs, you can use a 'name' (file name, file spec(?)) as parameter to .Item(), so you could keep an array of file names/specs, pick one randomly, and access the file. Whether that would be an improvement in your case, remains to be seen.

How to close an application when vbscript crashes

I'm using VBscript to open Microsoft Excel and convert xls documents to csv.
Here is a quick example that takes an argument and converts the first page
Dim oExcel
Dim oBook
Set oExcel = CreateObject("Excel.Application")
Set oBook = oExcel.Workbooks.Open(Wscript.Arguments.Item(0))
oBook.SaveAs "out.csv", 6
oBook.Close False
oExcel.Quit
If everything works, that's great. But when the script crashes before it can close excel, the process continues to stay around and lock the file until I manually kill the process.
How can I make sure that I perform any clean up routines even when the script fails?
As the question is/was? about closing Excel reliably when the VBScript used to automate it crashes:
If you write
Set oExcel = CreateObject("Excel.Application")
you create a 'simple' variable. VBScript may decrement a ref counter when the variable goes out of scope, but it certainly won't .Quit Excel for you.
If you want a feature like atexit calls or exception handling in VBScript, you'll have to write a class that 'does what I mean' in its Class_Terminate Sub. A simple example:
Option Explicit
Class cExcelWrapper
Private m_oExcel
Public Sub Class_Initialize()
Set m_oExcel = CreateObject("Excel.Application")
End Sub
Public Sub Class_Terminate()
m_oExcel.Quit
End Sub
Public Default Property Get Obj()
Set Obj = m_oExcel
End Property
End Class
Dim oExcel : Set oExcel = New cExcelWrapper
Dim oWBook : Set oWBook = oExcel.Obj.WorkBooks.Add()
oExcel.Obj.Visible = True
oExcel.Obj.DisplayAlerts = False
oWBook.Sheets(1).Cells(1,1) = "Div by Zero"
WScript.Echo "Check TaskManager & Enter!"
WScript.StdIn.ReadLine
WScript.Echo 1 / 0
(meant to be started with "cscript 20381749.vbs")
If you run this script with an open Taskmanager, you'll see Excel popup in the processes list (and on the screen, because of .Visible). If you then hit Enter, the script will abort with an "Division by Zero" error and the Excel process will vanish from the Processes list.
If you remove the .DisplayAlerts setting, Excel will ask you whether to save your work or not - proving thereby that the .Quit from the Class_Terminate() Sub really kicks Excel into byebye mode.
The class needs further work (basic settings, common actions (save?) before .Quit, perhaps a guard against misuse (Set oExcel = Nothing or other cargo cult crap), th .Obj addition isn't nice, and it won't help you if you kill your .vbs in a debugger, but for standard scenarios you won't see Excel zombies anymore.
Add "On Error Goto ErrorHandler" at the top of your script, and at the bottom of it, add "ErrorHandler:". Underneath the ErrorHandler label add code to manage the situation depending on the Err.Number
See Err object on MSDN.
You can also use "On Error Resume Next". Here is an example.
EDIT: My bad. "Goto" does not exist in VBS. The answer below is probably a much tidier approach.

VB script: Message while Unzipping a file

I am using the below vb script to un-zip the files, so while un-zipping is going on, i am seeing a pop up messgae(Copying/extracting), is there any way to get rid of popup message?
FileToGetUnZipped = "InstallDir\UI_Files.zip"
DestPathForUnzippedFile = "InstallDir\system"
Set objFSO = CreateObject("Scripting.FileSystemObject")
If Not objFSO.FolderExists(DestPathForUnzippedFile) Then
objFSO.CreateFolder(DestPathForUnzippedFile)
End If
UnZipFile FileToGetUnZipped, DestPathForUnzippedFile
Sub UnZipFile(strArchive, DestPathForUnzippedFile)
Set objApp = CreateObject( "Shell.Application" )
Set objArchive = objApp.NameSpace(strArchive).Items()
Set objDest = objApp.NameSpace(DestPathForUnzippedFile)
objDest.CopyHere objArchive
End Sub
The CopyHere method takes a second argument which can be a combination of various options, including
(4)
Do not display a progress dialog box.
However, I have not had much success on getting many of these options to work reliably - I think it varies by Windows version as much as anything else.
As a side note, I think you may have issues with the CopyHere method being asynchronous - your script may complete before CopyHere does, which may kill the copying process.

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