old_contents: #!/usr/bin/env python
  # Install VSCode Extensions from file.
  
  from __future__ import print_function
  
  import subprocess
  
  
  EXTENSIONS_FILE = "extensions.txt"
  
  
  def extensions(filename):
      """ Yield each of the extensions in the given file. """
      with open(filename) as extension_file:
          for extension in extension_file:
              yield extension
  
  
  def install_extension(extension):
      """ Install the given extension. """
      cmd_list = ["code", "--install-extension", extension]
      print(" ".join(cmd_list), end="")
      subprocess.call(cmd_list, shell=True)
  
  
  def main():
      for extension in extensions(EXTENSIONS_FILE):
          install_extension(extension)
  
  
  if __name__ == '__main__':
      main()
  
new_contents: #!/usr/bin/env python
  # Install VSCode Extensions from file.
  #
  # Instead of writing this, could have just written:
  #     cat extensions.txt | xargs -L 1 code --install-extension
  
  from __future__ import print_function
  
  import subprocess
  
  
  EXTENSIONS_FILE = "extensions.txt"
  
  
  def extensions(filename):
      """ Yield each of the extensions in the given file. """
      with open(filename) as extension_file:
          for extension in extension_file:
              yield extension
  
  
  def install_extension(extension):
      """ Install the given extension. """
      cmd_list = ["code", "--install-extension", extension]
      print(" ".join(cmd_list), end="")
      subprocess.call(cmd_list, shell=True)
  
  
  def main():
      for extension in extensions(EXTENSIONS_FILE):
          install_extension(extension)
  
  
  if __name__ == '__main__':
      main()
  
subject: Add snarky comment in VSCode Extension Installer.