new_contents: import os, subprocess
  import re
  
  def fix_input_file_spaces():
      path = '../../fludata/VIDRL-Melbourne-WHO-CC/raw-data/'
      for ab in os.listdir(path):
          ab_path = '{}{}/'.format(path, ab)
          for subtype in os.listdir(ab_path):
              subtype_path = '{}{}/'.format(ab_path, subtype)
              for assay in os.listdir(subtype_path):
                  complete_path = '{}{}/'.format(subtype_path, assay)
                  for fname in os.listdir(complete_path):
                      fpath = complete_path + fname
                      if ' ' in fname:
                          new_fname = fname.replace(' ', '-')
                          fstem = fname.split('.')[0]
                          fext = fname.split('.')[1]
                          fstem = re.escape(fstem)
                          fname = "{}.{}".format(fstem,fext)
                          command = 'mv {}{} {}{}'.format(complete_path, fname, complete_path, new_fname)
                          print command
                          subprocess.call(command, shell=True)
  
  if __name__=="__main__":
      fix_input_file_spaces()
  
subject: Add name space replacement utility.