old_contents: # -*- coding: utf-8 -*-
  import os
  import argparse
  
  
  def main():
      """
      Command-line interface
      """
      parser = argparse.ArgumentParser(description="Manage BibTeX files")
  
      parser.add_argument("-t", "--test",
                          action="store_true",
                          help="Test parseability of BibTeX file(s)",)
  
      parser.add_argument("-v", "--verbose",
                          action="store_true",
                          help="Verbose output",)
  
      parser.add_argument("files",
                          nargs="*",
                          default="*.bib",
                          help="File(s) to test parseability",)
  
      args = parser.parse_args()
  
  
  if __name__ == '__main__':
      main()
  
new_contents: # -*- coding: utf-8 -*-
  import os
  import argparse
  
  
  def main():
      """
      Command-line interface
      """
      parser = argparse.ArgumentParser(description="Manage BibTeX files")
  
      parser.add_argument("-t", "--test",
          action="store_true",
          help="Test parseability of BibTeX file(s)",)
  
      parser.add_argument("-v", "--verbose",
          action="store_true",
          help="Verbose output",)
  
      parser.add_argument("files",
          nargs="*",
          default="*.bib",
          help="File(s) to test parseability",)
  
      args = parser.parse_args()
  
  
  if __name__ == '__main__':
      main()
  
subject: Tidy whitespace