code: def main():
      """Replaces resource declaration in template with hash of the resource file.
  
      Expects arguments to be passed via argv in following format:
  
         python resource_digest_suffixer.py <template_file> <handlebar_1> \
            <res_1> <handlebar_2> <res_2>...
      """
      template_filepath = sys.argv[1]
      res_handlebar_and_filepath = sys.argv[2:]
  
      handlebar_and_filepath = {}
  
      for index in range(0, len(res_handlebar_and_filepath), 2):
          handlebar = res_handlebar_and_filepath[index]
          filepath = res_handlebar_and_filepath[index + 1]
          handlebar_and_filepath[handlebar] = filepath
  
      sys.stdout.write(
          replace_files(template_filepath, handlebar_and_filepath)
      )
  
imports: import hashlib
  import os
  import sys
  import re
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types