Delete duplicate rows in excel using advanced filter

Tags: delete, Excel, duplicate, rows, filter, advanced filter

Visual Basic

'Delete duplicate rows in excel using advanced filter 
'Francis de la Cerna 
' 
'I've been doing this the long way for, well, a long time. 
'Sorry, excel, I didn't know you could do that. 
 
 
 
set xl  = createobject("excel.application") 
set wb  = xl.workbooks.add 
set ws1 = wb.worksheets("sheet1") 
set ws2 = wb.worksheets("sheet2") 
 
xl.visible = true 
 
 
 
'add some data to sheet1 
 
ws1.range("a1:c1").value = array("a", "b", "c") 
ws1.range("a2:c2").value = array( 1  , 2  , 3 ) 
ws1.range("a3:c3").value = array( 4  , 5  , 6 ) 
ws1.range("a4:c4").value = array( 7  , 8  , 9 ) 
ws1.range("a5:c5").value = array( 4  , 5  , 6 ) 
ws1.range("a6:c6").value = array( 1  , 2  , 3 ) 
ws1.range("a7:c7").value = array("a", "b", "c") 
 
 
 
'filter unique records and copy result in sheet2 starting in cell a1 
'i think the 1st row is considered as a header row 
 
xlFilterInPlace = 1 
xlFilterCopy    = 2 
uniqueRecords   = true 
 
ws1.range("a1:c7").advancedFilter xlFilterCopy, , ws2.range("a1"), uniqueRecords 

Verified on the following platforms

 

Windows Server 2008 R2	No
Windows Server 2008	No
Windows Server 2003	No
Windows 7	No
Windows Vista	No
Windows XP	Yes
Windows 2000	No

This script is tested on these platforms by the author. It is likely to work on other platforms as well. If you try it and find that it works on another platform, please add a note to the script discussion to let others know.

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