> from optparse import OptionParser
I am not sure what version of Python you are using but from 2.7+ optparse is
deprercated. You may want to use that if you can.
> I don't really understand what dest and action in the arguments to
> parser.add_option mean.
Here is your usage:
>>> parser = OptionParser(usage="blahblahblah")
>>> parser.add_option("-f", "--file", dest="filename")
<Option at 0x8332eb8: -f/--file>
>>> (options, args) = parser.parse_args(['-f filename.csv']) # test in
>>> interpreter
>>> options.filename
' filename.csv' # Note the space before filename
>>> print options.filename
filename.csv
See the documentation: http://docs.python.org/library/optparse.html
Ramit
Ramit Prasad | JPMorgan Chase Investment Bank | Currencies Technology
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