List up all animation clips in all fbx files under the selected folder

ListAllAnimationClipsInFolde.cs

using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEditor;

public class ListAllAnimartionClipsInFolde {

	[MenuItem("Assets/list all animation clip (fbx) in the folder")]
	static void List()
	{
		if (Selection.assetGUIDs==null || Selection.assetGUIDs.Length!=1 )
		{
			Debug.LogError("Select a folder in the project window");
			return;
		}

		var buf = string.Empty;

		var path = AssetDatabase.GUIDToAssetPath(Selection.assetGUIDs[0]);
		var assetroot = Path.Combine( Application.dataPath ,".." );
		var folderpath = Path.GetFullPath( Path.Combine(assetroot,path) );
		foreach(var fi in (new DirectoryInfo(folderpath)).GetFiles("*.fbx"))
		{
			//Debug.Log(fi.Name);
			var assetlist = AssetDatabase.LoadAllAssetsAtPath(path +"/" + fi.Name );
			if (assetlist!=null)
			{
				foreach(var a in assetlist)
				{
					var clip = a as AnimationClip;
					if (clip!=null) 
					{
						if (clip.name.StartsWith("__")) continue;
						//Debug.Log("-" + a.name);
						if (!string.IsNullOrEmpty(buf)) buf += System.Environment.NewLine;
						buf += a.name;
					}
				}
			}
		}
		Debug.Log(buf);
		Debug.Log("! the result exists in the clipboad !");
		GUIUtility.systemCopyBuffer = buf;
	}


}

test.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

#if UNITY_EDITOR
using UnityEditor;
#endif

public class test : MonoBehaviour {

	public string m_animation_folder="Assets/UnityChan/Animations";

	#if UNITY_EDITOR
	[ContextMenu("Setup")]
	void SetupSimpleAnimationComponent()
	{
    /*
         ※自動化での利用例
　         本コンポネントから、EditorScriptの ListAllAnimartionClipsInFolde.List を呼び出し、アニメーションクリップ名リストを取得する。
    */
		var folderasset = AssetDatabase.LoadAssetAtPath(m_animation_folder, typeof(UnityEngine.Object));
		Selection.SetActiveObjectWithContext(folderasset,null);
		var listupType = System.Type.GetType("ListAllAnimationClipsInFolder, Assembly-CSharp-Editor");
		var api = listupType.GetMethod("List");
		api.Invoke(null,new object[]{});
		Debug.Log(GUIUtility.systemCopyBuffer);
	}
	#endif

}