code: def main(argString=None):
      
      # Getting and checking the options
      args = parseArgs(argString)
      checkArgs(args)
  
      logger.info("Options used:")
      for key, value in vars(args).iteritems():
          logger.info("  --{} {}".format(key.replace("_", "-"), value))
  
      # Run plink
      logger.info("Running Plink")
      runPlink(args)
  
      # Comparing the bim
      logger.info("Comparing BIM files")
      compareBIM(args)
docs: The main function of the module.
  
      :param argString: the options.
  
      :type argString: list
  
      These are the steps:
  
      1. Prints the options.
      2. Runs Plink with the ``geno`` option (:py:func:`runPlink`).
      3. Compares the two ``bim`` files (before and after the Plink ``geno``
         analysis) (:py:func:`compareBIM`).