Help reading binary data from files

[Grant Edwards]

On 2007-02-06, jeff <jeff at kalikstein.com> wrote:
> I am stumped trying to read binary data from simple files.  Here is a
> code snippet, where I am trying to simply print little-endian encoded
> data from files in a directory.
>
>     for name in os.listdir(DOWNLOAD_DIR):
>                 filename =  s.path.join(DOWNLOAD_DIR, name)
>                 if os.path.isfile(filename):
>                         f = open(filename, 'rb')
>                         while True:
>                                 ele = unpack('<h', f.read(2))[0]
>                                 print ele
>
>
> When the code runs, 0 is always the data printed, but the data files
> are not all zero.
>
> Any quick tips?

What are the f.read(2) calls returning?

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