How to loop through all SubFolders and get contents of Row 1 of each Excel file?

Question

I am trying to figure out a way to open all Excel files in all SubFolders, and get the all values from all cells in Row 1 and all formats for all these cells. I think my code b

Answer 1

I think it's easier to manage the process if you get all of the matching files first, and then loop through them.

Lightly tested:

Sub GetFolder_Data_Collection()

    Dim colFiles As Collection, c As Range
    Dim strPath As String, f, sht As Worksheet
    Dim wbSrc As Workbook, wsSrc As Worksheet
    Dim rw As Range

    Set sht = ActiveSheet

    strPath = GetFolder

    Set colFiles = GetFileMatches(strPath, "*.xls*", True)

    With sht
        .Range("A:L").ClearContents
        .Range("A1").Resize(1, 5).Value = Array("Name", "Path", "Cell", "Value", "Numberformat")
        Set rw = .Rows(2)
    End With

    For Each f In colFiles
        Set wbSrc = Workbooks.Open(f)
        Set wsSrc = wbSrc.Sheets(1)
        For Each c In wsSrc.Range(wsSrc.Range("a1"), _
                                  wsSrc.Cells(1, Columns.Count).End(xlToLeft)).Cells

            sht.Hyperlinks.Add Anchor:=rw.Cells(1), Address:=wbSrc.Path, TextToDisplay:=wbSrc.Name
            rw.Cells(2).Value = wbSrc.Path
            rw.Cells(3).Value = c.Address(False, False)
            rw.Cells(4).Value = c.Value
            rw.Cells(5).Value = c.NumberFormat
            Set rw = rw.Offset(1, 0)
        Next c
        wbSrc.Close False
    Next f
End Sub


'Return a collection of file objects given a starting folder and a file pattern
'  e.g. "*.txt"
'Pass False for last parameter if don't want to check subfolders
Function GetFileMatches(startFolder As String, filePattern As String, _
                    Optional subFolders As Boolean = True) As Collection

    Dim fso, fldr, f, subFldr
    Dim colFiles As New Collection
    Dim colSub As New Collection

    Set fso = CreateObject("scripting.filesystemobject")
    colSub.Add startFolder

    Do While colSub.Count > 0
        Set fldr = fso.GetFolder(colSub(1))
        colSub.Remove 1

        For Each f In fldr.Files
            If UCase(f.Name) Like UCase(filePattern) Then colFiles.Add f
        Next f
        If subFolders Then
            For Each subFldr In fldr.subFolders
                colSub.Add subFldr.Path
            Next subFldr
        End If
    Loop
    Set GetFileMatches = colFiles
End Function

Function GetFolder() As String
    Dim fldr As FileDialog
    Dim sItem As String
    Set fldr = Application.FileDialog(msoFileDialogFolderPicker)
    With fldr
        .Title = "Select a Folder"
        .AllowMultiSelect = False
        .InitialFileName = Application.DefaultFilePath
        If .Show <> -1 Then GoTo NextCode
        sItem = .SelectedItems(1)
    End With
NextCode:
    GetFolder = sItem
    Set fldr = Nothing
End Function