code: def main():
      try:
          opts, args = getopt.getopt(
              sys.argv[1:], "hVo:", ["help", "version", "output-file="]
          )
      except getopt.error as msg:
          usage(1, msg)
  
      outfile = None
      # parse options
      for opt, arg in opts:
          if opt in ("-h", "--help"):
              usage(0)
          elif opt in ("-V", "--version"):
              print("msgfmt.py", __version__)
              sys.exit(0)
          elif opt in ("-o", "--output-file"):
              outfile = arg
      # do it
      if not args:
          print("No input file given", file=sys.stderr)
          print(
              "Try `msgfmt --help' for more information.",
              file=sys.stderr,
          )
          return
  
      for filename in args:
          make(filename, outfile)
  
file_path: cpython/Tools/i18n/msgfmt.py
imports: import os
  import sys
  import ast
  import getopt
  import struct
  import array
  from email.parser import HeaderParser
label_desc: Use image node_id 5 for calling a global function with example usage: main() without return types