programmmatic access to commandline variables

To: petsc-users@xxxxxxxxxxx
Subject: programmmatic access to commandline variables
From: "Yaron Kretchmer" <yaronkretchmer@xxxxxxxxx>
Date: Tue, 15 Aug 2006 09:08:06 -0700
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Hi All

Is there a way of determining programatically which commandline options are used/not used within petsc?

Alternatively, is there a file which contains all legal commandline options? If so, what is it and what is the format?

Thanks

Yaron

Follow-Ups:
- Re: programmmatic access to commandline variables
  - From: Satish Balay