def _GetHardwareUUID():
  return_code, stdout, unused_stderr = Exec(
      'system_profiler SPHardwareDataType')
  if return_code == 0 and stdout:
    match = re.search(r'^\s+Hardware UUID: (.*)$', stdout, re.MULTILINE)
    if match:
      return match.group(1)
  return ''
Implementation of & operator - returns Each
dataset/ETHPy150Open google/simian/src/simian/mac/client/flight_common.py/_GetHardwareUUID--crossover with--dataset/ETHPy150Open ipython/ipython-py3k/IPython/external/pyparsing/_pyparsing.py/ParserElement.__and__