Detect existing files?

[Stephan Schulz]

Hi again,

thanks to Brian and everyone else who pointed me to os.path.* almost
instantly - I don't think that more than 5 minutes passed between my
question and the first reply.

On Wed, May 02, 2001 at 09:57:09AM -0700, Brian Quinlan wrote:
> 
> Stephan Schulz wrote:
> > Now my question: Is there a simple way to detect an existing file?
> >
> > open() seems to raise an error if the file does not exist, which is
> > kind of overkill for me.
> 
> Take a glance at os.access(). Simple usage:
> 
> import os
> os.access( r'c:\test.txt', os.F_OK )
> 
> But if I needed to access the file anyway, I would just use open() and
> handle the exception.

I need the opposite case - if the file exists, I leave it alone,
otherwise I create it. Moreover, I'm not yet into exception handling.

Bye,

    Stephan

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