[Python-Dev] subprocess insufficiently platform-independent?

[Barry Warsaw]

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On Aug 25, 2008, at 1:13 PM, Guido van Rossum wrote:

> Several people at Google seem to have independently discovered that
> despite all of the platform-independent goodness in subprocess.py, you
> still need to be platform aware. One of my colleagues summarized it
> like this:
>
> """
> Given a straightforward command list like:
>
>    cmd = ['svn', 'ls', 'http://rietveld.googlecode.com/svn/trunk']
>
> You apparently cannot pass this list to any subprocess function
> (subprocess.call() or otherwise) with a set of arguments that allow it
> to "just work" on both Windows and non-Windows systems.

Unless I'm misremembering (I no longer have access to Windows), I  
believe that if you use ' '.join(cmd) as the first argument, it will  
work cross-platform.

- -Barry

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