[Tutor] try and file existence

[Steven D'Aprano]

On Sat, Aug 15, 2015 at 07:04:47PM -0500, boB Stepp wrote:
> On Sat, Aug 15, 2015 at 6:41 PM, Steven D'Aprano <steve at pearwood.info> wrote:
> > On Sat, Aug 15, 2015 at 02:24:21PM -0500, boB Stepp wrote:
> 
> >> I understand your points, but wonder then what is the intended use for
> >> os.path.exists()?  That is, in what types of circumstances would it be
> >> both appropriate and safe to use?
> >
> > def print_file_names(possible_names):
> >     print("List of file names checked")
> >     print("--------------------------"
> >     for name in possible_names:
> >         if os.path.exists(name):
> >             print(name)
> >         else:
> >             print("missing:", name)
> 
> <Chuckle!>
> 
> Your example, giving about the most benign possible uses, is for emphasis?

Well, not really. I was trying to think of a case where you want to 
check whether a file exists but not actually open the file (or at 
least, not open the file *yet*). 

-- 
Steve