#include <Array.au3>
Local $A[4] = ["a", "b", "c", "d"]
Local $B[5] = ["c", "f", "a", "g", "h"]
local $RowsA=UBound($A),$RowsB=UBound($B)
Local $C=$B
;------------------------------
_ArrayConcatenate($B,$A)
$aNewArrayA=_ArrayUnique($B)
For $i= 1 To $RowsB+1
_ArrayDelete($aNewArrayA,0)
Next
_ArrayDisplay($aNewArrayA)
;------------------------------
_ArrayConcatenate($A,$C)
$aNewArrayB=_ArrayUnique($A)
For $i= 1 To $RowsA+1
_ArrayDelete($aNewArrayB,0)
Next
_ArrayDisplay($aNewArrayB)
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