code: def cli(variant_file, vep, split):
      
      from datetime import datetime
      from pprint import pprint as pp
      if variant_file == '-':
          my_parser = VCFParser(fsock=sys.stdin, split_variants=split)
      else:
          my_parser = VCFParser(infile = variant_file, split_variants=split)
      start = datetime.now()
      nr_of_variants = 0
      for line in my_parser.metadata.print_header():
          print(line)
      for variant in my_parser:
          pp(variant)
          nr_of_variants += 1
      print('Number of variants: %s' % nr_of_variants)
docs: Parses a vcf file.\n
          \n
          Usage:\n
              parser infile.vcf\n
          If pipe:\n
              parser -