Powershell: Copy Elements from one array to another - arrays

Question

Hi in my first array there are my nodes from a xml.
$result=Select-xml -xml $uar -xpath "//test:UAVariable[contains(#NodeId,'ns=1;s=::')][starts-with(#DataType,'i=')]" -namespace $ns | select -ExpandProperty node
now i have to filter this further more like this. And then if both if´s are true delete the element from my array if its possible or copy this Element to a new one.
$result | foreach {
$AttExists = $_.Arraydimensions
$NodeExists = $_.References.Reference.ReferenceType
if ($AttExists){
if ($NodeExists -eq 'HasComponent'){
#if this is happening i want to delete this hole Element (Node) in my array is this possible?
}
else{
#if deleting is not possible i want to copy these Element (Node) into a new array is this possible?
}
}
}
Tried several things like:
$_=$nullor whith a counter like $newArray[$i] = $result[$j] $i++
But it dont delete anything or copy it. Can someone help me?
xml data :
<?xml version="1.0" encoding="utf-8"?>
<UANodeSet xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:uax="http://opcfoundation.org/UA/2008/02/Types.xsd" xmlns:ua="http://xxx/NodeSet.xsd" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:pv="http://yyy/NodeSet.xsd" xmlns="http://opcfoundation.org/UA/2011/03/UANodeSet.xsd">
<UAObject NodeId="ns=1;s=::" BrowseName="1:::">
<DisplayName><Default></DisplayName>
<References>
<Reference ReferenceType="HasTypeDefinition">ns=2;i=10001</Reference>
<Reference ReferenceType="Organizes" IsForward="false">ns=2;i=20001</Reference>
<Reference ReferenceType="Organizes">ns=1;s=::AsGlobalPV</Reference>
<Reference ReferenceType="Organizes">ns=1;s=::Program</Reference>
</References>
<Extensions>
<Extension>
<pv:ObjectExtension>
<ACL>
<ACE Role="1" Allow="0x017F"/>
<ACE Role="2" Allow="0x015F"/>
</ACL>
</pv:ObjectExtension>
</Extension>
</Extensions>
</UAObject>
<UAObject ParentNodeId="ns=1;s=::" NodeId="ns=1;s=::AsGlobalPV" BrowseName="1:Global PV">
<DisplayName>Global PV</DisplayName>
<References>
<Reference ReferenceType="HasTypeDefinition">i=61</Reference>
<Reference ReferenceType="Organizes" IsForward="false">ns=1;s=::</Reference>
<Reference ReferenceType="Organizes">ns=1;s=::AsGlobalPV:gFahrzeug</Reference>
<Reference ReferenceType="Organizes">ns=1;s=::AsGlobalPV:gLebewesen</Reference>
</References>
</UAObject>
<UAVariable DataType="ns=1;i=100000" ParentNodeId="ns=1;s=::AsGlobalPV" NodeId="ns=1;s=::AsGlobalPV:gFahrzeug" BrowseName="1:gFahrzeug" AccessLevel="3" ValueRank="-1">
<DisplayName>gFahrzeug</DisplayName>
<References>
<Reference ReferenceType="HasTypeDefinition">ns=1;i=100005</Reference>
<Reference ReferenceType="HasComponent">ns=1;s=::AsGlobalPV:gFahrzeug.Kraftfahrzeug</Reference>
</References>
<Extensions>
<Extension>
<pv:VariableExtension AuditEvents="true">
<Value>
<Binding Type="PV" Target="::gFahrzeug"/>
</Value>
</pv:VariableExtension>
</Extension>
</Extensions>
</UAVariable>
<UAVariable DataType="ns=1;i=100010" ParentNodeId="ns=1;s=::AsGlobalPV:gFahrzeug" NodeId="ns=1;s=::AsGlobalPV:gFahrzeug.Kraftfahrzeug" BrowseName="1:Kraftfahrzeug" AccessLevel="3" ValueRank="-1">
<DisplayName>Kraftfahrzeug</DisplayName>
<References>
<Reference ReferenceType="HasTypeDefinition">ns=1;i=100015</Reference>
<Reference ReferenceType="HasComponent">ns=1;s=::AsGlobalPV:gFahrzeug.Kraftfahrzeug.LKW</Reference>
<Reference ReferenceType="HasComponent">ns=1;s=::AsGlobalPV:gFahrzeug.Kraftfahrzeug.PKW</Reference>
</References>
<Extensions>
<Extension>
<pv:VariableExtension AuditEvents="true">
<Value>
<Binding Type="PV" Target="::gFahrzeug.Kraftfahrzeug"/>
</Value>
</pv:VariableExtension>
</Extension>
</Extensions>
</UAVariable>
<UAVariable DataType="i=3" ParentNodeId="ns=1;s=::AsGlobalPV:gFahrzeug.Kraftfahrzeug" NodeId="ns=1;s=::AsGlobalPV:gFahrzeug.Kraftfahrzeug.LKW" BrowseName="1:LKW" AccessLevel="3" ValueRank="1" ArrayDimensions="2">
<DisplayName>LKW</DisplayName>
<References>
<Reference ReferenceType="HasTypeDefinition">i=63</Reference>
<Reference ReferenceType="HasComponent">ns=1;s=::AsGlobalPV:gFahrzeug.Kraftfahrzeug.LKW[0]</Reference>
<Reference ReferenceType="HasComponent">ns=1;s=::AsGlobalPV:gFahrzeug.Kraftfahrzeug.LKW[1]</Reference>
</References>
<Extensions>
<Extension>
<pv:VariableExtension AuditEvents="true">
<Value>
<Binding Type="PV" Target="::gFahrzeug.Kraftfahrzeug.LKW"/>
</Value>
</pv:VariableExtension>
</Extension>
</Extensions>
</UAVariable>
<UAVariable DataType="i=3" ParentNodeId="ns=1;s=::AsGlobalPV:gFahrzeug.Kraftfahrzeug.LKW" NodeId="ns=1;s=::AsGlobalPV:gFahrzeug.Kraftfahrzeug.LKW[0]" BrowseName="1:LKW[0]" AccessLevel="3">
<DisplayName>LKW[0]</DisplayName>
<References>
<Reference ReferenceType="HasTypeDefinition">i=63</Reference>
</References>
<Extensions>
<Extension>
<pv:VariableExtension AuditEvents="true">
<ACL>
<ACE Role="1" Allow="0x017F"/>
<ACE Role="2" Allow="0x015F"/>
</ACL>
<Value>
<Binding Type="PV" Target="::gFahrzeug.Kraftfahrzeug.LKW[0]"/>
</Value>
</pv:VariableExtension>
</Extension>
</Extensions>
</UAVariable>
<UAVariable DataType="i=3" ParentNodeId="ns=1;s=::AsGlobalPV:gFahrzeug.Kraftfahrzeug.LKW" NodeId="ns=1;s=::AsGlobalPV:gFahrzeug.Kraftfahrzeug.LKW[1]" BrowseName="1:LKW[1]" AccessLevel="3">
<DisplayName>LKW[1]</DisplayName>
<References>
<Reference ReferenceType="HasTypeDefinition">i=63</Reference>
</References>
<Extensions>
<Extension>
<pv:VariableExtension AuditEvents="true">
<ACL>
<ACE Role="1" Allow="0x017F"/>
<ACE Role="2" Allow="0x015F"/>
</ACL>
<Value>
<Binding Type="PV" Target="::gFahrzeug.Kraftfahrzeug.LKW[1]"/>
</Value>
</pv:VariableExtension>
</Extension>
</Extensions>
</UAVariable>
</UANodeSet>
Code:
[xml]$uar = Get-Content -Path 'C:\Users\strobel.ma\OneDrive - GEA\Desktop\XML to String\OpcUaMap(3)_28_07.uar'
$ns = New-Object System.Xml.XmlNamespaceManager($uar.NameTable) #asdf
$ns=#{GEA="http://opcfoundation.org/UA/2011/03/UANodeSet.xsd";
ua="http://br-automation.com/OpcUa/configuration/NodeSet.xsd";
xsi="http://www.w3.org/2001/XMLSchema-instance";
uax="http://opcfoundation.org/UA/2008/02/Types.xsd";
xsd="http://www.w3.org/2001/XMLSchema";
pv="http://br-automation.com/OpcUa/PLC/PV.xsd"}
$result=Select-xml -xml $uar -xpath "//GEA:UAVariable[contains(#NodeId,'ns=1;s=::')][starts-with(#DataType,'i=')]" -namespace $ns | select -ExpandProperty node
$result | foreach {$_.NodeId = $_.NodeId -replace 'ns=1;s=::AsGlobalPV:'}
$result | foreach {$_.NodeId = $_.NodeId -replace 'ns=1;s=::'}
$result | foreach {
$AttExists = $_.Arraydimensions
$NodeExists = $_.References.Reference.ReferenceType
if ($AttExists){
if ($NodeExists -eq 'HasComponent'){
#if this is happening i want to delete this hole Element (Node) in my array is this possible?
}
else{
#if deleting is not possible i want to copy these Element (Node) into a new array is this possible?
}
}
}

Answer 1

I would suggest you a naive approach and just create a new $result2 object where you store exactly what you need
I guess the default System.Array type should be good enough:
declare the new variable where to store items:
$result2 = #()
and store in it whatever you want by using in your foreach loop the following:
$result2 += $_