删除从XML文件中的重复标签

Question

我的问题是，我有一个具有相同值的两倍像一个XML文件：

<ns:html xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ns="2" release="1"> 
    <ns:Name>A 
     <ns:ID>ANI-2016-05-02T21:01Z</ns:ID> 
     <ns:CreationDate>2016-05-02T21:01:40</ns:CreationDate> 
     <ns:Subname>A2 
      <ns:Total>5000</ns:Total> 
      <ns:type>ANI</ns:type> 
     </ns:Subname> 
    </ns:Name> 

    <ns:Name>A 
     <ns:ID>ANI-2016-05-02T21:01Z</ns:ID> 
     <ns:CreationDate>2016-05-02T21:01:40</ns:CreationDate> 
     <ns:Subname>A2 
      <ns:Total>5000</ns:Total> 
      <ns:type>ANI</ns:type> 
     </ns:Subname> 
    </ns:Name> 

    <ns:Name>A 
     <ns:ID>ANI-2016-08-04T21:01Z</ns:ID> 
     <ns:CreationDate>2016-04-08T21:01:40</ns:CreationDate> 
     <ns:Subname>A2 
      <ns:Total>5000</ns:Total> 
      <ns:type>ANI</ns:type> 
     </ns:Subname> 
    </ns:Name> 
</ns:html> 

我的问题是如何使用XML来从XML文件中删除重复值以便在新的XML文件中获得以下结果。支票可以在ID的基础上完成。

<ns:html xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ns="2" release="1"> 
    <ns:Name>A 
     <ns:ID>ANI-2016-05-02T21:01Z</ns:ID> 
     <ns:CreationDate>2016-05-02T21:01:40</ns:CreationDate> 
     <ns:Subname>A2 
      <ns:Total>5000</ns:Total> 
      <ns:type>ANI</ns:type> 
     </ns:Subname> 
    </ns:Name> 

    <ns:Name>A 
     <ns:ID>ANI-2016-05-02T21:01Z</ns:ID> 
     <ns:CreationDate>2016-05-02T21:01:40</ns:CreationDate> 
     <ns:Subname>A2 
      <ns:Total>5000</ns:Total> 
      <ns:type>ANI</ns:type> 
     </ns:Subname> 
    </ns:Name> 
</ns:html> 

我曾尝试以下的事情：

首先，我使用的例子作为发现here：

## SETUP ENVIRONMENT 
# Find "Advanced Monitoring Agent" service and use path to locate files 
$gfimaxagent = Get-WmiObject Win32_Service | 
       Where-Object { $_.Name -eq 'Advanced Monitoring Agent' } 
$gfimaxexe = $gfimaxagent.PathName 
$gfimaxpath = Split-Path $gfimaxagent.PathName.Replace([char]34,"") -Parent #"Wordpress syntax highlighter bug 
$XmlFile = "C:\Users\Desktop\Test.xml" 
$Output = "C:\Users\Desktop\result.xml" 

[xml]$XmlContent = Get-Content $XmlFile 
$XmlPath = "checks" 
$Property = "uid" 
$XmlValues = @{} 
foreach ($XmlElement in $XmlContent.$XmlPath.ChildNodes) 
{ 
    $ElementValues = "" #"Wordpress syntax highlighter bug 
    foreach($XmlValue in $XmlElement.ChildNodes | Sort-Object name) 
    { 
     $ElementValues = $ElementValues + $XmlValue.Name + $XmlValue.InnerText 
    } 
    $XmlValues[$XmlElement.$Property] = $ElementValues 
} 

$XmlDuplicates = @{} 
foreach ($XmlValue in $XmlValues.Values) 
{ 
    $Items = @($XmlValues.Keys | Where { $XmlValues[$_] -eq $XmlValue }) 
    if ($Items.Count -gt 1) 
    { 
     if (!($XmlDuplicates[$Items[0]])) { $XmlDuplicates[$Items[0]] = $Items } 
    } 

} 

foreach ($XmlDuplicate in $XmlDuplicates.Keys) 
{ 
    for ($i = 1; $i -lt $XmlDuplicates[$XmlDuplicate].Count; $i++) 
    { 
     $XPath = "//" + $XmlPath + "/*[@" + $Property +"=" + $XmlDuplicates[$XmlDuplicate][$i]+"]" 
     $ChildToBeRemoved = $XmlContent.SelectSingleNode($XPath) 
     $ChildToBeRemoved.ParentNode.RemoveChild($ChildToBeRemoved) 
    } 
} 

$XmlContent.Save($Output) 

问题是即使我改变了源仍然没有载入我的文件但来自网站的原始示例文件。

至于第二我也用下面的代码试了一下：

[xml]$XmlDocument1 = Get-Content -Path C:\Users\EX27740\Desktop\testdubbel.xml 

$softwareVersionsArray = $catalogXML.catalog.software | 
    Group-Object name | 
    ForEach-Object {$_.Group[0]} 

$filename = ' C:\Users\EX27740\Desktop\Resultaat.xml' 
$catalogXML.Save($filename) 

但得到一个错误：通过XML节点

At line:8 Char:1 Cannot call a null-valued expression

Answer 1

一种方法是循环并删除任何重复

[xml]$xml = @" 
<ns:html xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ns="2" release="1"> 
    <ns:Name>A 
     <ns:ID>ANI-2016-05-02T21:01Z</ns:ID> 
     <ns:CreationDate>2016-05-02T21:01:40</ns:CreationDate> 
     <ns:Subname>A2 
      <ns:Total>5000</ns:Total> 
      <ns:type>ANI</ns:type> 
     </ns:Subname> 
    </ns:Name> 

    <ns:Name>A 
     <ns:ID>ANI-2016-05-02T21:01Z</ns:ID> 
     <ns:CreationDate>2016-05-02T21:01:40</ns:CreationDate> 
     <ns:Subname>A2 
      <ns:Total>5000</ns:Total> 
      <ns:type>ANI</ns:type> 
     </ns:Subname> 
    </ns:Name> 

    <ns:Name>A 
     <ns:ID>ANI-2016-08-04T21:01Z</ns:ID> 
     <ns:CreationDate>2016-04-08T21:01:40</ns:CreationDate> 
     <ns:Subname>A2 
      <ns:Total>5000</ns:Total> 
      <ns:type>ANI</ns:type> 
     </ns:Subname> 
    </ns:Name> 
</ns:html> 
"@ 

cls 
$CreationDates=@() 
$xml.html.Name | ForEach-Object { 
    if($CreationDates -contains $_.CreationDate) { 
    [void]$_.ParentNode.RemoveChild($_) 
    } else { 
    $CreationDates += $_.CreationDate 
    } 
} 
#$CreationDates 
$xml.html.Name