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asp script and cmd.exe
Haven't tried it, but you could try using VBScript in ASP, create a WSH object, and use the .Shell method of that object to run a command formatted as a string. To be honest, I never used ASP… just ASP.Net.
Also, it would probably be better to ask how to write your own, not if someone already has one. It's a borderline script kiddie question if you ask for someone else's code.