How to make a batch file open Roaming?

I'm working on a program that deletes your minecraft but minecraft is saved in roaming so i only ca1n put one user so like del c:\users\Jhon-PC\appdataoaming\.minecraft
here is the entire code
@echo off
Title Minecraft Deleter
echo WARRNING! This will delete your.minecraft (Will Lose all your work) close to cancel
PAUSE
del C:\users\Donno what to put here\AppData\Roaming\.minecraft
Echo Done
PAUSE
end

http://wiki.answers.com/Q/How_do_you_make_a_batch_to_delete_files_in_a_certain_folder?#slide=1

Nothing in the answer or the linked page describes how to access the Roaming folder from a batch If this is a joke, it's not funny.