我做错了什么?运行以下命令时,我得到 XPath set is empty 。
xmllint --xpath './/PackageReference[@Include="Tips"]/Version/text()' sdk/Test/TestSample.xml
请在下面找到 xml 文件内容。
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<PackageReference Include="Tips">
<Version>2.2.2</Version>
</PackageReference>
</ItemGroup>
<ItemGroup>
<PackageReference Include="Hips">
<Version>1.1.1</Version>
</PackageReference>
</ItemGroup>
</Project>
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