Duplicate Selected GameObject To all Scenes (For Unity3D) [New Option In Transform inspector Menu]

gistfile1.cs

using UnityEditor;
using UnityEngine;
using System.Collections;

public class DuplicateToAllScenesMenu : MonoBehaviour {
	// Add a menu item called "Double Mass" to a Rigidbody's context menu.
	[MenuItem ("CONTEXT/Transform/DuplicateToAllScenes")]
	static void DuplicatePlz (MenuCommand command) {

		EditorApplication.SaveCurrentSceneIfUserWantsTo ();

		string tempfilepath = Random.Range(1, 100) + "temp.unity";
		string objectOrigin = EditorApplication.currentScene;
		objectOrigin = objectOrigin.Substring (objectOrigin.LastIndexOf ('/') + 1);

		Transform currentTransform = (Transform)command.context;
		string objectName = currentTransform.name;
		currentTransform.parent = null;

		foreach (GameObject obj in UnityEngine.Object.FindObjectsOfType(typeof(GameObject)))
		{
			if (obj && obj.transform.parent == null && obj.transform != currentTransform)
			{
				DestroyImmediate(obj);
			}
		}

		EditorApplication.SaveScene(tempfilepath, true);
		foreach (EditorBuildSettingsScene scene in EditorBuildSettings.scenes) {
			string scenepath = scene.path.Substring (scene.path.LastIndexOf ('/') + 1);
			Transform parent = null;
			if (scenepath.Equals(objectOrigin)) {
				continue;
			}
			EditorApplication.OpenScene(scene.path);
			foreach (GameObject gameObj in UnityEngine.Object.FindObjectsOfType(typeof(GameObject)))
			{
				if(gameObj.name == objectName)
				{
					parent = gameObj.transform.parent;
					DestroyImmediate(gameObj);
				}
			}
			EditorApplication.OpenSceneAdditive(tempfilepath);
			GameObject.Find(objectName).transform.parent = parent;
			EditorApplication.SaveScene();
		}
		FileUtil.DeleteFileOrDirectory(tempfilepath);

	}

}