text: #!/usr/bin/env python3
  """
  Author : Megan Kane <arjibsamlee@yahoo.com>
  Date   : 2021-09-22
  Purpose: concatenate a file
  """
  
  import argparse
  
  # pylint: disable=W0105
  
  
  # --------------------------------------------------
  def get_args():
      """Get command-line arguments"""
  
      parser = argparse.ArgumentParser(
          description='concatenate a file',
          formatter_class=argparse.ArgumentDefaultsHelpFormatter)
  
      parser.add_argument('file',
                          metavar='FILE',
                          type=argparse.FileType('rt'),
                          nargs='+',
                          help='one or more file names')
  
      parser.add_argument('-n',
                          '--number',
                          help='print line numbers',
                          action='store_true')
  
      return parser.parse_args()
  
  
  # --------------------------------------------------
  def main():
      """A file to concatenate files and print them"""
  
      args = get_args()
  
      filenames = args.file
      numbers = args.number
  
      # iterate over imputed files
      for filename in filenames:
          linenum = 1  # counter
          lines = filename.readlines()  # read lines of file
  
          # or each file get each line
          for line in lines:
              if numbers:
                  print("     ", str(linenum), "\t", line, sep='', end='')
              else:
                  print(line, end='')
              linenum += 1  # increase counter
      """
          To complete concatenation I need to add
          a section that puts each of the files
          information into a new file
      """
  
  
  # --------------------------------------------------
  if __name__ == '__main__':
      main()
  