code: def get_cmd_output_from_stdin(stdint_content_binary: bytes,
                                *args, encoding: str = SYS_ENCODING) -> str:
      
      p = subprocess.Popen(args, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
      stdout, stderr = p.communicate(input=stdint_content_binary)
      return stdout.decode(encoding, errors='ignore')
docs: Returns text output of a command, passing binary data in via stdin.