old_contents: import argparse
  import os
  import pathlib
  
  from .. import ansys, flac3d, gmsh, mdpa, ply, stl, vtk, vtu, xdmf
  from .._helpers import _filetype_from_path, read, reader_map
  from ._helpers import _get_version_text
  
  
  def ascii(argv=None):
      # Parse command line arguments.
      parser = _get_parser()
      args = parser.parse_args(argv)
  
      # read mesh data
      fmt = args.input_format or _filetype_from_path(pathlib.Path(args.infile))
  
      size = os.stat(args.infile).st_size
      print("File size before: {:.2f} MB".format(size / 1024 ** 2))
      mesh = read(args.infile, file_format=args.input_format)
  
      # # Some converters (like VTK) require `points` to be contiguous.
      # mesh.points = numpy.ascontiguousarray(mesh.points)
  
      # write it out
      if fmt == "ansys":
          ansys.write(args.infile, mesh, binary=False)
      elif fmt == "flac3d":
          flac3d.write(args.infile, mesh, binary=False)
      elif fmt == "gmsh":
          gmsh.write(args.infile, mesh, binary=False)
      elif fmt == "mdpa":
          mdpa.write(args.infile, mesh, binary=False)
      elif fmt == "ply":
          ply.write(args.infile, mesh, binary=False)
      elif fmt == "stl":
          stl.write(args.infile, mesh, binary=False)
      elif fmt == "vtk":
          vtk.write(args.infile, mesh, binary=False)
      elif fmt == "vtu":
          vtu.write(args.infile, mesh, binary=False)
      elif fmt == "xdmf":
          xdmf.write(args.infile, mesh, data_format="XML")
      else:
          print("Don't know how to convert {} to ASCII format.".format(args.infile))
          exit(1)
  
      size = os.stat(args.infile).st_size
      print("File size after:  {:.2f} MB".format(size / 1024 ** 2))
  
  
  def _get_parser():
      parser = argparse.ArgumentParser(
          description=("Covert mesh file to ASCII format."),
          formatter_class=argparse.RawTextHelpFormatter,
      )
  
      parser.add_argument("infile", type=str, help="mesh file to convert")
  
      parser.add_argument(
          "--input-format",
          "-i",
          type=str,
          choices=sorted(list(reader_map.keys())),
          help="input file format",
          default=None,
      )
  
      parser.add_argument(
          "--version",
          "-v",
          action="version",
          version=_get_version_text(),
          help="display version information",
      )
      return parser
  
new_contents: import argparse
  import os
  import pathlib
  
  from .. import ansys, flac3d, gmsh, mdpa, ply, stl, vtk, vtu, xdmf
  from .._helpers import _filetype_from_path, read, reader_map
  from ._helpers import _get_version_text
  
  
  def ascii(argv=None):
      # Parse command line arguments.
      parser = _get_parser()
      args = parser.parse_args(argv)
  
      # read mesh data
      fmt = args.input_format or _filetype_from_path(pathlib.Path(args.infile))
  
      size = os.stat(args.infile).st_size
      print("File size before: {:.2f} MB".format(size / 1024 ** 2))
      mesh = read(args.infile, file_format=args.input_format)
  
      # # Some converters (like VTK) require `points` to be contiguous.
      # mesh.points = numpy.ascontiguousarray(mesh.points)
  
      # write it out
      if fmt == "ansys":
          ansys.write(args.infile, mesh, binary=False)
      elif fmt == "flac3d":
          flac3d.write(args.infile, mesh, binary=False)
      elif fmt == "gmsh":
          gmsh.write(args.infile, mesh, binary=False)
      elif fmt == "mdpa":
          mdpa.write(args.infile, mesh, binary=False)
      elif fmt == "ply":
          ply.write(args.infile, mesh, binary=False)
      elif fmt == "stl":
          stl.write(args.infile, mesh, binary=False)
      elif fmt == "vtk":
          vtk.write(args.infile, mesh, binary=False)
      elif fmt == "vtu":
          vtu.write(args.infile, mesh, binary=False)
      elif fmt == "xdmf":
          xdmf.write(args.infile, mesh, data_format="XML")
      else:
          print("Don't know how to convert {} to ASCII format.".format(args.infile))
          exit(1)
  
      size = os.stat(args.infile).st_size
      print("File size after:  {:.2f} MB".format(size / 1024 ** 2))
  
  
  def _get_parser():
      parser = argparse.ArgumentParser(
          description=("Convert mesh file to ASCII format."),
          formatter_class=argparse.RawTextHelpFormatter,
      )
  
      parser.add_argument("infile", type=str, help="mesh file to convert")
  
      parser.add_argument(
          "--input-format",
          "-i",
          type=str,
          choices=sorted(list(reader_map.keys())),
          help="input file format",
          default=None,
      )
  
      parser.add_argument(
          "--version",
          "-v",
          action="version",
          version=_get_version_text(),
          help="display version information",
      )
      return parser
  
subject: fix typo