oldPath | The path where the asset currently resides. |
newPath | The path which the asset should be moved to. |
string An empty string if the asset has been successfully moved, otherwise an error message.
Move an asset file from one folder to another.
全てのパスはプロジェクトフォルダに対する相対指定とします。例えば "Assets/MyTextures/hello.png" です。