Computer Path Can't access in Photoshop

I have MK.txt File in "D" Drive, 

Inside Of MK.txt :- D:\BNN

I want to Open the Path in Photoshop :- "D:\BNN"

var testtextfile = new File("D:/MK.txt");

testtextfile.open('r');

var fileContentsString = testtextfile.readln();

alert(fileContentsString);

//I want open the path "fileContentsString" in Photoshop