code: def main():
      
      do_help = pmag.get_flag_arg_from_sys('-h')
      if do_help:
          print(main.__doc__)
          return False
      res_file = pmag.get_named_arg('-f', 'pmag_results.txt')
      crit_file = pmag.get_named_arg('-fcr', '')
      spec_file = pmag.get_named_arg('-fsp', '')
      age_file = pmag.get_named_arg('-fa', '')
      grade = pmag.get_flag_arg_from_sys('-g')
      latex = pmag.get_flag_arg_from_sys('-tex')
      WD = pmag.get_named_arg('-WD', os.getcwd())
      ipmag.pmag_results_extract(res_file, crit_file, spec_file, age_file, latex, grade, WD)
docs: NAME 
          pmag_results_extract.py
  
      DESCRIPTION
          make a tab delimited output file from pmag_results table
   
      SYNTAX
          pmag_results_extract.py [command line options]
  
      OPTIONS
          -h prints help message and quits
          -f RFILE, specify pmag_results table; default is pmag_results.txt
          -fa AFILE, specify er_ages table; default is NONE
          -fsp SFILE, specify pmag_specimens table, default is NONE
          -fcr CFILE, specify pmag_criteria table, default is NONE
          -g include specimen_grade in table - only works for PmagPy generated pmag_specimen formatted files.
          -tex,  output in LaTeX format