On Wed, 1 Sep 2010 15:39:40 +0300, Aron Ahmadia <aron.ahmadia at kaust.edu.sa> wrote: > cgparse/optparse do what I need. argparse is a nice improvement, but not in the standard lib prior to 2.7/3.2. It's not clear to me why PETSc couldn't just use optparse (in standard lib from 2.3). Jed