code: def write(self, outfile='../parameters/EQcorrscan_parameters.txt',
                overwrite=False):
          
          outpath = os.sep.join(outfile.split(os.sep)[0:-1])
          if len(outpath) > 0 and not os.path.isdir(outpath):
              msg = ' '.join([os.path.join(outfile.split(os.sep)[0:-1]),
                              'does not exist, check path.'])
              raise IOError(msg)
          # Make sure that the user wants to overwrite the old parameters
          if os.path.isfile(outfile) and not overwrite:
              responding = True
              while responding:
                  print(' '.join([outfile, 'exists.  Overwrite? [y/N]']))
                  option = raw_input()
                  if option.upper() == 'N':
                      raise IOError('File exists, will not overwrite')
                  elif option.upper() == 'Y':
                      responding = False
                  else:
                      print('Must respond with y or n')
          f = open(outfile, 'w')
          # Write creation info.
          header = ' '.join(['# User:', getpass.getuser(),
                             '\n# Creation date:', str(UTCDateTime()),
                             '\n# EQcorrscan version:',
                             str(eqcorrscan.__version__),
                             '\n\n\n'])
          f.write(header)
          # Write parameter info in a user readable, and parsable format.
          parameters = self.__str__().split('\n')[1:]
          f.write('[eqcorrscan_pars]\n')
          for parameter in parameters:
              f.write(parameter.lstrip() + '\n')
          f.close()
          print('Written parameter file: ' + outfile)
docs: Function to write the parameters to a file - user readable.
  
          :type outfile: str
          :param outfile: Full path to filename to store parameters in.
          :type overwrite: bool
          :param overwrite: Whether to overwrite the old file or not.