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Deleting Duplicates

Posted by Hanna on January 15, 2002 1:42 PM

How can I write a macro to delete the entire row where the value in column A of that row is a repeated value in the column?

Thanks :-)

Posted by bob Umlas on January 15, 2002 2:08 PM

This should work (untested):
Sub DeleteRows()
for i=range("A65536").end(xlup) to 1 step -1
if application.countif(range("A:A"),cells(i,1).value)>1 then rows(i).delete
End Sub

Posted by Jacob on January 15, 2002 2:25 PM


This will do the trick

Option Explicit

Sub DeleteDuplicates()

Application.ScreenUpdating = False

Dim x As Integer
Dim LastRow As Integer
Dim c As Range
Dim FirstAddress As String
Dim SearchValue As String
Dim Counter As Integer

LastRow = Range("A65536").End(xlUp).Row

For x = 1 To LastRow

SearchValue = Range("A" & x).Value

If SearchValue = "zzzdeletemezzz" Then

With Range("A1:A" & LastRow)

Set c = .Find(what:=SearchValue, LookIn:=xlValues, lookat:=xlWhole)
FirstAddress = c.Address
Set c = .FindNext(c)

If c.Address = FirstAddress Then
Range(c.Address).FormulaR1C1 = "zzzdeletemezzz"
Counter = Counter + 1
End If

End With

End If

Next x

x = 1


If Range("A" & x).Value = "zzzdeletemezzz" Then
LastRow = LastRow - 1
x = x + 1
End If

Loop While x < LastRow + 1

MsgBox (Counter & " duplicates have been deleted."), vbInformation, "Deletion Complete"

End Sub



Posted by Ivan F Moala on January 15, 2002 7:10 PM

I'm sure Bob meant

For i = Range("A65536").End(xlUp).Row To 1 Step -1
If Application.CountIf(Range("A:A"), Cells(i, 1).Value) > 1 Then Rows(i).Delete

as he mentioned (untested)