You must specify at least one sample file.
cstacks 1.35
cstacks -b batch_id -s sample_file [-s sample_file_2 ...] [-o path] [-g] [-n num] [-p num_threads] [--catalog path] [-h]
  b: MySQL ID of this batch.
  s: filename prefix from which to load loci into the catalog.
  o: output path to write results.
  g: base catalog matching on genomic location, not sequence identity.
  m: include tags in the catalog that match to more than one entry (default false).
  n: number of mismatches allowed between sample tags when generating the catalog (default 1).
  p: enable parallel execution with num_threads threads.
  h: display this help messsage.

  Catalog editing:
    --catalog <path>: provide the path to an existing catalog. cstacks will add data to this existing catalog.

  Advanced options:
     --k_len <len>: specify k-mer size for matching between between catalog loci (automatically calculated by default).
    --report_mmatches: report query loci that match more than one catalog locus.