how do I get the filename and filepath of the sprite in sprite render ?

how do I get the filename and filepath of the sprite in sprite render ?

35812-20141126010655.png

I want to get the sprite file name in the red box , like " Assets/Images/Door.png " .
In the script , how do I get it ?

Here is the solution to get the file name:

Sprite sprt = GetComponent ().sprite;
Debug.log(sprt.name);