How to detect the presence of a html file

[Irmen de Jong]

BartlebyScrivener wrote:
>> Even weirder,
> 
>> os.path.isfile(r'c://bookmarks.html')
> 
> Never mind. It works that way from the command line, too. Never tried
> it before.

Forward slashes as path separator only works on NTFS volumes I believe.

--Irmen