Adds a context menu to assets in the project browser to print the file path location of their imported serialized assets

LibraryPathsForAsset.cs

using System;
using System.IO;
using System.Linq;
using System.Text;
using UnityEditor;
using UnityEditor.Experimental;
using UnityEngine;

public static class LibraryPathsForAsset {

	[MenuItem( "Assets/Print library paths", false, priority = 70, secondaryPriority = 1 )]
	public static void OutputLibraryPathsForAsset() {
		// Iterate over all selected assets
		foreach( string guidStr in Selection.assetGUIDs ) {
			GUID guid = new(guidStr);
			ArtifactKey key = new(guid);
			ArtifactID id = AssetDatabaseExperimental.LookupArtifact( key );
			string assetPath = AssetDatabase.GUIDToAssetPath( guid );
			if( AssetDatabaseExperimental.GetArtifactPaths( id, out string[] paths ) == false ) {
				Debug.LogWarning( $"Failed to load artifacts for {assetPath}" );
				continue;
			}
			// print all associated paths
			Debug.Log( new StringBuilder()
				.AppendLine( $"Files of {assetPath}:" )
				.AppendJoin( Environment.NewLine,
					paths.Select( v => '\t' + Path.GetFullPath( v ) )
				)
			);
		}
	}

	[MenuItem( "Assets/Print library paths", true )]
	public static bool OutputLibraryPathsForAssetValidate() => Selection.assetGUIDs.Length > 0;

}