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When attempting to use the subprocess.getstatusoutput() function on
Windows, I noticed an unusual error message:
"'{' is not recognized as an internal or external command, 
operable program or batch file."
When the output contained this message, the status was always 256.
From the interactive prompt, I performed the following:
Python 3.0.1 (r301:69561, Feb 13 2009, 20:04:18) [MSC v.1500 32 bit
(Intel)] on
win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import subprocess
>>> cmdline = 'dir'
>>> (status, output) = subprocess.getstatusoutput(cmdline)
>>> status
256
>>> output
"'{' is not recognized as an internal or external command,\noperable
program or
batch file."
>>>
I think this is an error (but it is possible I misunderstand the
documentation for the function :) .)