Hello,
I have the following commands: testb -s <size> testb -s <size> -o <input file> testb -s <size> -o <codes>
How do i split the commands so that all three are valid. And how do i
check for missing arguments?
Use optparse. It's an improvement over the old getopt that makes writing option parsers easy:
py> import optparse
py> option_parser = optparse.OptionParser(
... usage='%prog -s <size> [-o <input file|codes>]')
py> option_parser.add_option('-s', metavar='<size>', type='int')
<Option at 0x12b1ee0: -s>
py> option_parser.add_option('-o', metavar='<input file|codes>')
<Option at 0x12b1fd0: -o>
py> options, args = option_parser.parse_args('-s 1 -o data.txt'.split())
py> options.s, options.o
(1, 'data.txt')
py> option_parser.print_help()
usage: evaluation.py -s <size> [-o <input file|codes>]options: -h, --help show this help message and exit -s <size> -o <input file|codes>
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