new_contents: import argparse
  import sys
  from os import listdir
  from os.path import join
  
  
  from pymagicc.io import read_cfg_file, MAGICCData
  
  
  def print_summary(cannot_read, ignored, dir_to_check):
      if cannot_read:
          print(
              "Can't read the following files in {}:\n{}".format(
                  dir_to_check, "\n".join(cannot_read)
              )
          )
      else:
          print("Can read all files in {}".format(dir_to_check))
  
      print("\n\nIgnored:\n{}".format("\n".join(ignored)))
  
  
  def test_can_read_all_files_in_magicc_dir(dir_to_check):
      cannot_read = []
      ignored = []
      for file_to_read in listdir(dir_to_check):
          try:
              if file_to_read.endswith((".exe", ".mod", ".mat", ".m")):
                  ignored.append(file_to_read)
              elif file_to_read.endswith(".CFG"):
                  read_cfg_file(join(dir_to_check, file_to_read))
              else:
                  mdata = MAGICCData()
                  mdata.read(dir_to_check, file_to_read)
          except:
              cannot_read.append(file_to_read)
  
      print_summary(cannot_read, ignored, dir_to_check)
  
  
  def main():
      parser = argparse.ArgumentParser(
          prog="check-run-dir-file-read",
          description="Check which files in a "
          "directory can be read by "
          "pymagicc's tools",
      )
  
      parser.add_argument(
          "readdir", help="The folder where the files to read are located"
      )
  
      args = parser.parse_args()
      test_can_read_all_files_in_magicc_dir(args.readdir)
  
  
  if __name__ == "__main__":
      main()
  
subject: Add check run dir file read in script