old_contents: import os, errno
  # Create build folder if it doesn't exist
  try:
      os.makedirs('build')
  except OSError as e:
      if e.errno != errno.EEXIST:
          raise
  
  template = open('./5xx.template.html', 'r')
  templateString = template.read()
  template.close()
  
  # We only use 0-11 according to
  # https://en.wikipedia.org/wiki/List_of_HTTP_status_codes#5xx_Server_error
  for i in range(12):
      numString = str(i) if i >= 10 else '0{}'.format(i)
      fileName = './build/5{}.html'.format(numString)
      outputFile = open(fileName, 'w')
      htmlString = templateString.replace('{ERROR_CODE_PLACEHOLDER}', '5{}'.format(numString))
      outputFile.write(htmlString)
      outputFile.close()
  
new_contents: import os, errno
  # Create build folder if it doesn't exist
  
  def get_path(relative_path):
  	cur_dir = os.path.dirname(__file__)
  	return os.path.join(cur_dir, relative_path)
  
  try:
      os.makedirs(get_path('build'))
  except OSError as e:
      if e.errno != errno.EEXIST:
          raise
  
  template = open(get_path('./5xx.template.html'), 'r')
  templateString = template.read()
  template.close()
  
  # We only use 0-11 according to
  # https://en.wikipedia.org/wiki/List_of_HTTP_status_codes#5xx_Server_error
  for i in range(12):
      numString = str(i) if i >= 10 else '0{}'.format(i)
      fileName = './build/5{}.html'.format(numString)
      outputFile = open(get_path(fileName), 'w')
      htmlString = templateString.replace('{ERROR_CODE_PLACEHOLDER}', '5{}'.format(numString))
      outputFile.write(htmlString)
      outputFile.close()
  
subject: Make static http error code generator directory agnostic