Copy particular columns from one file to master file with condition

Please Help!!!
Task is to consolidate 2 files(A and B) into Master file. I have written code below but its tkng all fields.I only want

Column 1 - File Name ( name of A/B)
Column 2- Gender/Value 1 .If Gender is M then it should show Value 1
Else I should show Gender value

Column 3-Value 2
Column 4 - Region value

I have filter the data in A/B files country specific. I will really appreciate if someone can help.

Attaching the files for reference

Code:

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Option Explicit

Sub test()
    Dim a As Object
    Dim p As String, f As String
    Dim v
    Dim i As Long
    Set a = CreateObject("system.collections.arraylist")
    p = ThisWorkbook.path & "\"
    f = Dir(p & "*.xlsx")
    Do While f <> ""
        With Workbooks.Open(p & f, ReadOnly:=True)
            v =.Sheets(1).Cells(1).CurrentRegion.Value
            For i = 2 To UBound(v)
                a.Add Array(f, IIf(v(i, 3) = "M", v(i, 3), v(i, 4)), v(i, 5), v(i, 6))
            Next
            .Close
        End With
        f = Dir()
    Loop
    With ThisWorkbook.Sheets(1)
        .UsedRange.Offset(2).ClearContents
        .Cells(3, 1).Resize(a.Count, 4).Value = _
            Application.Transpose(Application.Transpose(a.toarray))
    End With
 End Sub

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マナ

Thank you Mana.I am really new to VBA.Can you please explain and how to add this in my workbook.

https://www.rondebruin.nl/win/code.htm

Thank you so much Mana.You are really very helpful.I just missed one condition that the columns doesnt have same columns .
File A.xsl has Country salary gender value1 value2 Region1 City Price
File B.xsl has Country salary gender value1 value2 University School Grade

Master.xslm should have FileName Gender/Value1 Value 2 Region School Price Grade

Can you please tell me the code for selecting specific columns (as expected in result Master.xslm) and copy pasting accordingly.

I need to submit this today.I will be really greatful if you can help me with this.

Code:

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Option Explicit

Sub test2()
    Dim a As Object
    Dim p As String
    Dim v
    Dim f As String
    Dim i As Long
    Dim flg As Boolean
    Set a = CreateObject("system.collections.arraylist")
    p = ThisWorkbook.path & "\"
    f = Dir(p & "*.xlsx")
    Do While f <> ""
        With Workbooks.Open(p & f, ReadOnly:=True)
            v = .Sheets(1).Cells(1).CurrentRegion.Value
            flg = False
            If v(1, 7) = "School" Then flg = True
            For i = 2 To UBound(v)
                a.Add Array(f, IIf(v(i, 3) = "M", v(i, 3), v(i, 4)), v(i, 5), _
                    IIf(flg, Empty, v(i, 6)), IIf(flg, v(i, 7), Empty) _
                  , IIf(flg, Empty, v(i, 8)), IIf(flg, v(i, 8), Empty))
            Next
            .Close
        End With
        f = Dir()
    Loop
    With ThisWorkbook.Sheets(1)
        .UsedRange.Offset(2).ClearContents
        .Cells(3, 1).Resize(a.Count, 7).Value = _
            Application.Transpose(Application.Transpose(a.toarray))
    End With
End Sub

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