projects / OpenSPARC-T2-SAM / blame
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| 54 | <H3><A NAME="SECTION0082129000000000000000"></A><A NAME="optparse-putting-it-all-together"></A> | |
| 55 | <BR> | |
| 56 | 6.21.2.9 Putting it all together | |
| 57 | </H3> | |
| 58 | ||
| 59 | <P> | |
| 60 | Here's what <tt class="module">optparse</tt>-based scripts usually look like: | |
| 61 | <div class="verbatim"><pre> | |
| 62 | from optparse import OptionParser | |
| 63 | [...] | |
| 64 | def main(): | |
| 65 | usage = "usage: %prog [options] arg" | |
| 66 | parser = OptionParser(usage) | |
| 67 | parser.add_option("-f", "--file", dest="filename", | |
| 68 | help="read data from FILENAME") | |
| 69 | parser.add_option("-v", "--verbose", | |
| 70 | action="store_true", dest="verbose") | |
| 71 | parser.add_option("-q", "--quiet", | |
| 72 | action="store_false", dest="verbose") | |
| 73 | [...] | |
| 74 | (options, args) = parser.parse_args() | |
| 75 | if len(args) != 1: | |
| 76 | parser.error("incorrect number of arguments") | |
| 77 | if options.verbose: | |
| 78 | print "reading %s..." % options.filename | |
| 79 | [...] | |
| 80 | ||
| 81 | if __name__ == "__main__": | |
| 82 | main() | |
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