/span> optparse.OptionParser SWITCHES, BANNER
  o = opts      = optionParser.parse process.argv[<span class="number">2.</span>.]
  o.compile     <span class="keyword">or</span>=  !!o.output
  o.run         = <span class="keyword">not</span> (o.compile <span class="keyword">or</span> o.print <span class="keyword">or</span> o.lint <span class="keyword">or</span> o.map)
  o.print       = !!  (o.print <span class="keyword">or</span> (o.eval <span class="keyword">or</span> o.stdio <span class="keyword">and</span