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sbGSort
Take worksheet function SORT from Excel 365 onwards
If you look for a simple Excel © VBA sort function which you can easily apply on small ranges or arrays then you are at the right place. If you are not willing or if you are not able to use VBA macros, look here, please.
The parameters of sbGSort I chose pragmatically but not without care. If you call this function with sbGSort(...,”AD”,”SN”,”31”) then A(scending order) and S(tring comparison) will be applied on column 3 (the first priority column to sort by). It's not very convenient if you change the column priority from “31” to “13” that you will have to change the order of “AD” (to “DA”) and “SN” (to “NS”) as well. On the other hand, you won't need to state all sOrd and sCT characters up to column 9 if you call GSort with (...,”A”,”S”,”9”).
Please read my Disclaimer.
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Function sbGSort(vA As Variant, _
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Optional sOrd As String = "A", _
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Optional sCT As String = "S", _
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Optional sPrio As String = "123456789") As Variant
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'Performs a gnomesort on one- or two-dimensional array vA.
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'Characters in sOrd define sort order for each column:
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'A - ascending, D - descending
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'Characters in sCT define comparison type for each column:
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'S - string, N - numerical
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'Characters in sPrio define sort priorities of columns, for
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'example:
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'123 - sort by first, then second, then third column
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'521 - sort by fifth, then second, then first column
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'Note that the maximum count of characters in sOrd or sPrio
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'defines on how many columns the sort comparisons will be
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'applied. If sOrd = "AAAA" and sPrio = "3", for example, the
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'sort comparison will be on the four columns 3 1 2 4 in this
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'order.
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'Please note that this is a fairly weak sort algorithm
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'because its sort time is expected to be quadratic. But its
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'supposed to be used on small ranges or arrays only.
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'Larger ranges or arrays should be sorted by Excel's internal
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'sort algorithm via a subroutine.
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'Reverse("moc.LiborPlus.www") PB 07-Mar-2009 V0.11
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Dim i As Long
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Dim j As Long
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Dim k As Long
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Dim m As Long
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Dim n As Long
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Dim v As Variant
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Dim vT As Variant
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Dim sComparisonType As String
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Dim sSortOrder As String
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Dim lPrio As Long
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Dim sC As String
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Dim bSwap As Boolean 'Indicates whether we need to swap rows
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Dim bOrd As Boolean 'FALSE = Ascending sort order
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Dim obj As Object
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With Application.WorksheetFunction
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vT = .Transpose(.Transpose(vA))
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m = UBound(vT, 1)
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n = UBound(vT, 2)
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lPrio = .Min(n, .Max(Len(sOrd), Len(sPrio)))
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'Process sort priorities of columns (if given)
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Set obj = CreateObject("Scripting.Dictionary")
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If Len(sPrio) < 1 Then
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sbGSort = CVErr(xlErrValue)
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Exit Function
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End If
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ReDim lPriority(1 To lPrio) As Long
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i = 1
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j = 1
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Do While i <= lPrio
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If i <= Len(sPrio) Then
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sC = Mid(sPrio, i, 1)
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Select Case sC
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Case "1", "2", "3", "4", "5", "6", "7", "8", "9"
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lPriority(i) = Asc(sC) - Asc("0")
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obj.Item(lPriority(i)) = i
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Case Else
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sbGSort = CVErr(xlErrValue)
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Exit Function
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End Select
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Else
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Do While obj.Item(j) > 0
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j = j + 1
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Loop
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lPriority(i) = j
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obj.Item(j) = i
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End If
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i = i + 1
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Loop
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Set obj = Nothing
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'Process sort order for each column (if given)
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If Len(sOrd) < 1 Then
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sbGSort = CVErr(xlErrValue)
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Exit Function
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End If
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For i = 1 To lPrio
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If i > Len(sOrd) Then
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sC = "A"
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Else
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sC = Mid(sOrd, i, 1)
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If sC <> "A" And sC <> "D" Then
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sbGSort = CVErr(xlErrValue)
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Exit Function
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End If
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End If
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sSortOrder = sSortOrder & sC
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Next i
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'Process comparison type for each column
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If Len(sCT) < 1 Then
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sbGSort = CVErr(xlErrValue)
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Exit Function
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End If
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For i = 1 To n
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If i <= lPrio Then
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k = lPriority(i)
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Else
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k = i
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End If
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If i <= Len(sCT) Then
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sC = Mid(sCT, i, 1)
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End If
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For j = 1 To m
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Select Case sC
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Case "N"
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If IsEmpty(vT(j, k)) Then vT(j, k) = 0
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Case "S"
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If IsEmpty(vT(j, k)) Then vT(j, k) = ""
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Case Else
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sbGSort = CVErr(xlErrValue)
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Exit Function
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End Select
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Next j
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sComparisonType = sComparisonType & sC
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Next i
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i = 1
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Do While i < m
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'Compare row i with row i+1
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j = 1
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bSwap = False
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Do While j <= lPrio
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If Mid(sSortOrder, j, 1) = "A" Then
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bOrd = False
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Else
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bOrd = True
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End If
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If Mid(sComparisonType, j, 1) = "N" Then
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If vT(i, lPriority(j)) + 0 > _
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vT(i + 1, lPriority(j)) + 0 Then
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bSwap = True Xor bOrd
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Exit Do
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ElseIf vT(i, lPriority(j)) + 0 < _
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vT(i + 1, lPriority(j)) + 0 Then
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bSwap = False Xor bOrd
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Exit Do
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End If
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Else
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If vT(i, lPriority(j)) & "" > vT(i + 1, _
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lPriority(j)) & "" Then
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bSwap = True Xor bOrd
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Exit Do
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ElseIf vT(i, lPriority(j)) & "" < vT(i + _
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1, lPriority(j)) & "" Then
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bSwap = False Xor bOrd
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Exit Do
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End If
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End If
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j = j + 1
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Loop
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If bSwap Then
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For j = 1 To n
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v = vT(i, j)
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vT(i, j) = vT(i + 1, j)
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vT(i + 1, j) = v
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Next j
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If i > 1 Then
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i = i - 1
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Else
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i = i + 1
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End If
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Else
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i = i + 1
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End If
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Loop
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End With
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sbGSort = vT
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End Function
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