code: def fastq_convert_pipe_cl(in_file, data):
      
      cmd = _seqtk_fastq_prep_cl(data, in_file)
      if not cmd:
          cat_cmd = "zcat" if in_file.endswith(".gz") else "cat"
          cmd = cat_cmd + " " + in_file
      return "<(%s)" % cmd
docs: Create an anonymous pipe converting Illumina 1.3-1.7 to Sanger.
  
      Uses seqtk: https://github.com/lh3/seqt