How do I get the version of an assembly without loading it?

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I found the following in this article.

using System.Reflection;
using System.IO;

...

// Get current and updated assemblies
AssemblyName currentAssemblyName = AssemblyName.GetAssemblyName(currentAssemblyPath);
AssemblyName updatedAssemblyName = AssemblyName.GetAssemblyName(updatedAssemblyPath);

// Compare both versions
if (updatedAssemblyName.Version.CompareTo(currentAssemblyName.Version) <= 0)
{
    // There's nothing to update
    return;
}

// Update older version
File.Copy(updatedAssemblyPath, currentAssemblyPath, true);

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