Excel macro loop using VBS - excel

Question

I would like to run a VBA macro named MyMacro, which is saved as MyMacro.bas for many excel files. I have the VBS code below, but it is not doing what I want. I would really appreciate if somebody could take a look at it.
I am using Excel 2013. The files are saved as .xls.
Thank you.
Const sRootFolder = "C:\Documents"
Const sExportedModule = "C:\Documents\MyMacro.bas"
Const sMacroName = "MyMacro"
Dim oFSO, oFDR, oFile ' File and Folder variables
Dim oExcel, oWB ' Excel variables (Application and Workbook)
Start
'------------------------------
Sub Start()
Initialize
ProcessFilesInFolder sRootFolder
Finish
End Sub
'------------------------------
Sub ProcessFilesInFolder(sFolder)
' Process the files in this folder
For Each oFile In oFSO.GetFolder(sFolder).Files
If IsExcelFile(oFile) Then ProcessExcelFile oFile.Path
Next
End Sub
'------------------------------
Sub Initialize()
Set oFSO = CreateObject("Scripting.FileSystemObject")
Set oExcel = CreateObject("Excel.Application")
End Sub
'------------------------------
Sub Finish()
oExcel.Quit
Set oExcel = Nothing
Set oFSO = Nothing
End Sub
'------------------------------
Function IsExcelFile(oFile)
IsExcelFile = (InStr(1, oFSO.GetExtensionName(oFile), "xls", vbTextCompare) > 0) And (Left(oFile.Name, 1) <> "~")
End Function
'------------------------------
Sub ProcessExcelFile(sFileName)
On Error Resume Next
wscript.echo "Processing file: " & sFileName ' Comment this unless using cscript in command prompt
Set oWB = oExcel.Workbooks.Open(sFileName)
oWB.VBProject.VBComponents.Import sExportedModule
oExcel.Run sMacroName
oWB.Save
oWB.Close
Set oWB = Nothing
End Sub
'------------------------------
Here is a vbs code for a single file which works:
Option Explicit
ExcelMacroExample
Sub ExcelMacroExample()
Dim xlApp
Dim xlBook
Dim objWorkbook
Set xlApp = CreateObject("Excel.Application")
Set xlBook = xlApp.Workbooks.Open("C:\Documents\test.xls", 0, True)
Set objWorkbook = xlApp.Workbooks.Open("C:\Documents\test.xls")
xlApp.Run "MyMacro"
xlApp.Quit
Set xlBook = Nothing
Set xlApp = Nothing
End Sub

Answer 1

I finally got it working:
Const sRootFolder = "C:\Documents"
Const sExportedModule = "C:\Documents\MyMacro.bas"
Const sMacroName = "Trip"
Dim oFSO, oFile ' File and Folder variables
Dim xlApp, xlBook, objWorkbook
Start
Sub Start()
Initialize
ProcessFilesInFolder sRootFolder
Finish
End Sub
Sub ProcessFilesInFolder(sFolder)
' Process the files in this folder
For Each oFile In oFSO.GetFolder(sFolder).Files
If IsExcelFile(oFile) Then ProcessExcelFile oFile.Path
Next
End Sub
Sub Initialize()
Set oFSO = CreateObject("Scripting.FileSystemObject")
Set xlApp = CreateObject("Excel.Application")
End Sub
Sub Finish()
xlApp.Quit
Set xlBook = Nothing
Set xlApp = Nothing
Set oFSO = Nothing
End Sub
Function IsExcelFile(oFile)
IsExcelFile = (InStr(1, oFSO.GetExtensionName(oFile), "xls", vbTextCompare) > 0) And (Left(oFile.Name, 1) <> "~")
End Function
Sub ProcessExcelFile(sFileName)
wscript.echo "Processing file: " & sFileName ' Comment this unless using cscript in command prompt
Set xlBook = xlApp.Workbooks.Open(sFileName, 0, True)
Set objWorkbook = xlApp.Workbooks.Open(sFileName)
objWorkbook.VBProject.VBComponents.Import sExportedModule
xlApp.Run sMacroName
End Sub
Also, make sure that Trust access to the VBA project object model enabled. I certainly may be wrong, but the game changer here seems to be this piece:
Set objWorkbook = xlApp.Workbooks.Open(sFileName)