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os.system() bug?
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Johan Fredrik Øhman
8 jun 2003, 6:22:44 p.m.8/6/2003
para
Python 2.2.3 (#42, May 30 2003, 18:12:08) [MSC 32 bit (Intel)] on win32
>>> os.system('"C:\Program Files\UltraEdit\uedit32.exe" "arg"')
'C:\Program' is not recognized as an internal or external command,
operable program or batch file.
1
>>> os.system('""C:\Program Files\UltraEdit\uedit32.exe" "arg"')
0
I am really stumbeled by this! Why do I have to write two " at the
beginning of the command to make it work? Seems like this problem only
occurs when there is a space in the path.
--
Johan Fr Ohman
Tim Peters
8 jun 2003, 6:58:58 p.m.8/6/2003
para
[Johan Fredrik Øhman]
>>>> os.system('"C:\Program Files\UltraEdit\uedit32.exe" "arg"')
> 'C:\Program' is not recognized as an internal or external command,
> operable program or batch file.
> 1
>>>> os.system('""C:\Program Files\UltraEdit\uedit32.exe" "arg"') 0
>
> I am really stumbeled by this! Why do I have to write two " at the
> beginning of the command to make it work? Seems like this problem
> only occurs when there is a space in the path.
>>>> os.system('"C:\Program Files\UltraEdit\uedit32.exe" "arg"')
> 'C:\Program' is not recognized as an internal or external command,
> operable program or batch file.
> 1
>>>> os.system('""C:\Program Files\UltraEdit\uedit32.exe" "arg"') 0
>
> I am really stumbeled by this! Why do I have to write two " at the
> beginning of the command to make it work? Seems like this problem
> only occurs when there is a space in the path.
That's right. os.system() opens a command shell, and this behavior is
inherited from your command shell. If you open a "DOS box" and type the
same things at it, you'll get the same results -- it's the Windows command
shells that require quoting paths with embedded spaces.
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