Fredrik Lundh wrote:
> on the other hand, for maximum portability, you can use
>
> f, e = os.path.splitext(filename)
> if e.startswith(os.extsep):
> e = e[len(os.extsep):]
> if e == "txt":
> ...
Is there ever a time when the original `e` could evaluate True, yet not
startswith(os.extsep)? In other words, could the first test be just
if e:
e = e[len(os.extsep):]
Also, note that for truly maximum portability one probably needs to add
to the code some knowledge of case-sensitivity and do a .lower() when
appropriate, as "txt" and "TXT" (and others) are equivalent on Windows
file systems. On that note, is there a common idiom for detecting that
information?
-Peter
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