需要使用 Powershell 编辑 XML 文件

Question

我有 XML 内容，我需要从节点的特定元素中删除整行。

XML 文件：

需要删除整行。

  <Host name="login.net">
    <Path name="Block">
      <Path name="webservices/login" authType="qwerty" requireSession="true" />
      <Path name="login" authType="qwerty" requireSession="true" />
      <Path name="weblogin" requireSession="true" authType="shibboleth" />
    </Path>
    <Path name="retailpdf" applicationId="retailpdf" authType="qwerty" requireSession="true" requireSessionWith="retailpdf" />
    <Path name="managemyaccount" applicationId="managemyaccount" authType="qwerty" requireSession="true" requireSessionWith="managemyaccount" />
    <Path name="approve" applicationId="approve" authType="qwerty" requireSession="true" requireSessionWith="approve" />
    <Path name="latesignin" applicationId="latesignin" authType="qwerty" requireSession="true" requireSessionWith="latesignin" />
    <Path name="fblogin" applicationId="fblogin" authType="qwerty" requireSession="true" requireSessionWith="fblogin" />
  </Host>

</RequestMap>

#需要删除id为retailpdf的完整节点

试图通过powershell脚本删除行

$XMLfilepath = 'C:\Test\MYfile.xml' 
psedit $XMLfilepath
$Pathxml = [xml] (Get-Content $XMLfilepath)

$nodes = $xml.SelectNodes("/RequestMapper/Path");

{Remove-Item "<Path name="fblogin" applicationId="fblogin" authType="shibboleth" requireSession="true" requireSessionWith="fblogin" />"}

$XMLfilepathNew = 'C:\Test\Myfiledone.xml' 
$Pathxml.Save($XMLfilepathNew)
psedit $XMLfilepathNew

需要删除 XML 内容中提到的行和节点，如下所示：

预期输出：

  <Host name="login.net">
    <Path name="Block">
      <Path name="webservices/login" authType="qwerty" requireSession="true" />
      <Path name="login" authType="qwerty" requireSession="true" />
      <Path name="weblogin" requireSession="true" authType="shibboleth" />
    </Path>

    <Path name="managemyaccount" applicationId="managemyaccount" authType="qwerty" requireSession="true" requireSessionWith="managemyaccount" />
    <Path name="approve" applicationId="approve" authType="qwerty" requireSession="true" requireSessionWith="approve" />
    <Path name="latesignin" applicationId="latesignin" authType="qwerty" requireSession="true" requireSessionWith="latesignin" />
    <Path name="fblogin" applicationId="fblogin" authType="qwerty" requireSession="true" requireSessionWith="fblogin" />
  </Host>

</RequestMap>

 <ApplicationOverride id="retailpdf" entityID="https://login.tcxqa.hrblock.net/retailpdf/shibboleth">
  <Sessions lifetime="60" timeout="20" checkAddress="false" consistentAddress="false" handlerURL="/retailpdf/Shibboleth.sso" handlerSSL="true">
    <SessionInitiator type="Chaining" Location="/retailpdf" isDefault="false" id="retailpdf" forceAuthn="true" entityID="https://qaidp.hrblock.net/idp/shibboleth" authnContextClassRef="urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport">
      <SessionInitiator type="SAML2" template="bindingTemplate.html" />
    </SessionInitiator>
  </Sessions>

Answer 1

你有没有尝试过这样的事情：

$original = Get-Content 'C:\Test\MYfile.xml'
$new = $original.replace('<Path name="retailpdf" applicationId="retailpdf" authType="qwerty" requireSession="true" requireSessionWith="retailpdf" />', '')
$new | Set-Content 'C:\Test\MYfile.xml'

Answer 2

如果您可以创建一个未损坏的 XML 文件，那么您应该能够使用 XmlDocument 类中的方法删除不需要的节点。

$XMLfilepath = 'C:\Test\MYfile.xml' 
$Pathxml = [xml](Get-Content $XMLfilepath)
$nodeToRemove = $Pathxml.SelectSingleNode("//Host/Path[@name = 'retailpdf']")
$nodeToRemove.ParentNode.RemoveChild($nodeToRemove)
$nodeToRemove = $Pathxml.SelectSingleNode("//ApplicationOverride[@id = 'retailpdf']")
$nodeToRemove.ParentNode.RemoveChild($nodeToRemove)
$XMLfilepathNew = 'C:\Test\Myfiledone.xml' 
$Pathxml.Save($XMLfilepathNew)

请注意，您可以在 XPath 中使用通配符。这将有助于更简洁地删除包含特定值的所有属性。但是，您确实需要了解 XML 数据的上下文级别。