> > If you remove this, you won't be able to get a directory listing of
> > directories. I tried this with and without the line; with that line
> > in, it gives a directlry listing, without it gives an IOError (Not a
> > regular file):
> >
> >>>>urllib.urlretrieve("ftp://ftp.python.org/pub", "xyzzy")
> >
> > So I'd be against deleting this, unless there's a different way to get
> > directory listings.
>
> Try it again but with a trailing slash on the address. With the line
> removed it will fetch the directory. Otherwise it errors out. The code
> apparently tries to get the file and when it fails with a 550 (meaning
> the file cannot be accessed because of permissions or lack of
> existence), the code then send a LIST command which lists whatever the
> argument is, file or directory.
>
> Unfortunately I can't think of a good way to detect the difference
> between a file and a directory that just doesn't have the ending slash
> beyond reading the output and seeing if it is a single listing for a
> file with the same name as the LIST request.
Why should I have to use a trailing backslash to get a directory
listing? That's not in the FTP standard and probably won't work
everywhere.
--Guido van Rossum (home page: http://www.python.org/~guido/)
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