Need help with windows xp cmd file FAST

[Turboorav]

I have a problem. I want to make a program that erases all files in specified folder except the one I type in.

I have a code:

for /d %%a in (%1) do if /I not %%a == %2 rmdir /s /q %%a

But the problem is that it erases ALL files and the entire folder wich I have given it.

Help plz :S

[Jordan]

What are your intentions?