kovlad Posted April 20, 2021 Share Posted April 20, 2021 (edited) My solution is to write nested arrays without copying. The problem was described hier. Function: expandcollapse popup#include <Array.au3> ; #FUNCTION# ==================================================================================================================== ; Name ..........: _ArrayNestedSet ; Description ...: Assigns a value to an element of a nested 1D array. ; Syntax ........: _ArrayNestedSet(ByRef $aArray, $vIndex, $vValue) ; Parameters ....: $aArray - an array of arrays. ; $vIndex - an index or 1d-array of indexes; ; a size if $vValue not defined (zero to delete). ; $vValue - a value (create, resize or delete if not defined). ; ; Return values .: on success - 1 ; @extended - nesting level of operation ; on failure - 0 ; @extended - nesting level of error ; @error = 1 - invalid array ; @error = 2 - invalid index ; Author ........: ; Modified ......: kovlad ; Remarks .......: ; Related .......: ; Link ..........: https://www.autoitscript.com/forum/topic/185638-assign-a-value-to-an-array-in-array-element/ ; https://www.autoitscript.com/trac/autoit/ticket/3515?replyto=description ; Example .......: Yes ; =============================================================================================================================== Func _ArrayNestedSet(ByRef $aArray, $vIndex, $vValue = Default) Local $extended = @extended + 1 If IsArray($vIndex) Then If UBound($vIndex, 0) <> 1 Then _ Return SetError(2, $extended) If UBound($vIndex) > 1 Then If UBound($aArray, 0) <> 1 Then _ Return SetError(1, $extended) ; keep index for this array Local $i = $vIndex[0] If $i < 0 Or UBound($aArray) <= $i Then _ Return SetError(2, $extended) ; delete index of this array _ArrayDelete($vIndex, 0) ; recursive function call Local $return = _ArrayNestedSet($aArray[$i], $vIndex, $vValue) If @error Then Return SetError(@error, @extended + 1, 0) Else Return SetExtended(@extended + 1, 1) EndIf Else $vIndex = $vIndex[0] EndIf EndIf If $vValue = Default Then If $vIndex < 0 Then _ Return SetError(2, $extended) If $vIndex = 0 Then ; delete array and free memory $aArray = 0 Return SetExtended($extended, 1) EndIf If UBound($aArray, 0) = 1 Then ; resize array keeping data ReDim $aArray[$vIndex] Return SetExtended($extended, 1) Else ; create new nested array Local $aTmp[$vIndex] $aArray = $aTmp Return SetExtended($extended, 1) EndIf Else If UBound($aArray) <= $vIndex Then _ Return SetError(2, $extended + 1) ; set value of array entry $aArray[$vIndex] = $vValue Return SetExtended($extended, 1) EndIf EndFunc Examples: expandcollapse popup; write value to 1st nested array ConsoleWrite("@@ Debug(" & @ScriptLineNumber & ") : write value to 1st nested array" & @CRLF) Local $aTmp1[4] = [1,2,3,4] _ArrayDisplay($aTmp1, "$aTmp1") Local $aArray[2] = [$aTmp1] ConsoleWrite( _ "_ArrayNestedSet($aArray[0], 3, 14) = " & _ArrayNestedSet($aArray[0], 3, 14) & @CRLF & _ " @error = " & @error & @CRLF & _ " @extended = " & @extended & @CRLF & @CRLF) _ArrayDisplay($aArray[0], "$aArray[0]") ; resize 1st nested array ConsoleWrite("@@ Debug(" & @ScriptLineNumber & ") : resize 1st nested array" & @CRLF) ConsoleWrite( _ "_ArrayNestedSet($aArray[0], 8) = " & _ArrayNestedSet($aArray[0], 8) & @CRLF & _ " @error = " & @error & @CRLF & _ " @extended = " & @extended & @CRLF & @CRLF) _ArrayDisplay($aArray[0], "$aArray[0]") ; write array to 1st nested array ConsoleWrite("@@ Debug(" & @ScriptLineNumber & ") : write array to 1st nested array" & @CRLF) Local $aTmp11[4] = [11,12,13,14] _ArrayDisplay($aTmp11, "$aTmp11") ConsoleWrite( _ "_ArrayNestedSet($aArray[0], 2, $aTmp11) = " & _ArrayNestedSet($aArray[0], 2, $aTmp11) & @CRLF & _ " @error = " & @error & @CRLF & _ " @extended = " & @extended & @CRLF & @CRLF) _ArrayDisplay(($aArray[0])[2], "($aArray[0])[2]") ; write value to 2nd nested array using index array ConsoleWrite("@@ Debug(" & @ScriptLineNumber & ") : write value to 2nd nested array using index array" & @CRLF) Local $aIndex1[2] = [2,3] _ArrayDisplay($aIndex1, "$aIndex1") ConsoleWrite( _ "_ArrayNestedSet($aArray[0], $aIndex1, 140) = " & _ArrayNestedSet($aArray[0], $aIndex1, 140) & @CRLF & _ " @error = " & @error & @CRLF & _ " @extended = " & @extended & @CRLF & @CRLF) _ArrayDisplay(($aArray[0])[2], "($aArray[0])[2]") ; resize 2nd nested array ConsoleWrite("@@ Debug(" & @ScriptLineNumber & ") : resize 2nd nested array" & @CRLF) Local $aIndex1[2] = [2,8] _ArrayDisplay($aIndex1, "$aIndex1") ConsoleWrite( _ "_ArrayNestedSet($aArray[0], $aIndex1) = " & _ArrayNestedSet($aArray[0], $aIndex1) & @CRLF & _ " @error = " & @error & @CRLF & _ " @extended = " & @extended & @CRLF & @CRLF) _ArrayDisplay(($aArray[0])[2], "($aArray[0])[2]") ; create new 3rd nested array ConsoleWrite("@@ Debug(" & @ScriptLineNumber & ") : create new 3rd nested array" & @CRLF) Local $aIndex2[3] = [2,7,6] _ArrayDisplay($aIndex2, "$aIndex2") ConsoleWrite( _ "_ArrayNestedSet($aArray[0], $aIndex2) = " & _ArrayNestedSet($aArray[0], $aIndex2) & @CRLF & _ " @error = " & @error & @CRLF & _ " @extended = " & @extended & @CRLF & @CRLF) _ArrayDisplay((($aArray[0])[2])[7], ")($aArray[0])[2])[7]") ; delete 3rd nested array ConsoleWrite("@@ Debug(" & @ScriptLineNumber & ") : delete 3rd nested array" & @CRLF) Local $aIndex3[3] = [2,7,0] _ArrayDisplay($aIndex3, "$aIndex2") ConsoleWrite( _ "_ArrayNestedSet($aArray[0], $aIndex3) = " & _ArrayNestedSet($aArray[0], $aIndex3) & @CRLF & _ " @error = " & @error & @CRLF & _ " @extended = " & @extended & @CRLF) ConsoleWrite("IsArray((($aArray[0])[2])[7]) = " & IsArray((($aArray[0])[2])[7]) & @CRLF & @CRLF) ; write 0 in 1st nested array to delete the 2nd nested array ConsoleWrite("@@ Debug(" & @ScriptLineNumber & ") : write 0 in 1st nested array to delete the 2nd nested array" & @CRLF) Local $aIndex4[1] = [2] _ArrayDisplay($aIndex4, "$aIndex4") ConsoleWrite( _ "_ArrayNestedSet($aArray[0], $aIndex4, 0) = " & _ArrayNestedSet($aArray[0], $aIndex4, 0) & @CRLF & _ " @error = " & @error & @CRLF & _ " @extended = " & @extended & @CRLF) ConsoleWrite("IsArray(($aArray[0])[2]) = " & IsArray(($aArray[0])[2]) & @CRLF & @CRLF) ; delete 1st nested array (same as '$aArray[0] = 0') ConsoleWrite("@@ Debug(" & @ScriptLineNumber & ") : delete 1st nested array (same as '$aArray[0] = 0')" & @CRLF) Local $aIndex5[1] = [0] _ArrayDisplay($aIndex5, "$aIndex5") ConsoleWrite( _ "_ArrayNestedSet($aArray[0], $aIndex5) = " & _ArrayNestedSet($aArray[0], $aIndex5) & @CRLF & _ " @error = " & @error & @CRLF & _ " @extended = " & @extended & @CRLF) ConsoleWrite("IsArray($aArray[0]) = " & IsArray($aArray[0]) & @CRLF & @CRLF) Edited April 21, 2021 by kovlad Added the function description to the header. 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