45             raise_on_error=True, cwd=None, **kwargs):  argument
71     kwargs['stdout'] = None
72     kwargs['stderr'] = None
76             kwargs['stdin'] = last_pipe.stdout
78             kwargs['stdin'] = open(infile, 'rb')
80             kwargs['stdout'] = cros_subprocess.PIPE
82             kwargs['stdout'] = open(outfile, 'wb')
84             kwargs['stderr'] = cros_subprocess.PIPE
87             last_pipe = cros_subprocess.Popen(cmd, cwd=cwd, **kwargs)
107 def Output(*cmd, **kwargs):  argument
108     raise_on_error = kwargs.get('raise_on_error', True)
111 def OutputOneLine(*cmd, **kwargs):  argument
112     raise_on_error = kwargs.pop('raise_on_error', True)
115             **kwargs).stdout.strip())
117 def Run(*cmd, **kwargs):  argument
118     return RunPipe([cmd], **kwargs).stdout