Unpacking byte strings from a file of unknown size
Scott David Daniels
Scott.Daniels at Acm.Org
Tue Oct 28 12:10:03 EDT 2008
Mark wrote:
> Thanks I tested your solution and that works.
>
> One of the things that didn't work was
> for chunk in myfile.read(10):
> info1, info2, info3 = struct.unpack('<IIH', chunk)
>
> It gets an error saying unpack requires a string of length 10, which I
> thought chunk would be after the read(10). I'm still a little
> confused as to why.
this code python interprets as:
data = myfile.read(10)
for chunk in data:
<and here chunk is a single-character string>.
--Scott David Daniels
Scott.Daniels at Acm.Org
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