Geoffrey wrote:
I am trying to read data from a file binary file and then unpack the
data into python variables. Some of the data is store like this;
...
As I read the documentation the "p" format string seems to address
this situation, where the number bytes of the string to read is the
first byte of the stored value but I keep getting this error.
Am I missing something ?
Can the "p" format character be used to unpack this type of data ?
I've tried experimenting with "p" and cannot get any meaningful
results. In all cases pack() returns '\x00' while unpack()
with anything other than a one-byte string returns an exception
(unpack str size does not match format) while with a one-byte
string it always returns ('',).
I would be inclined to say that the "p" format in struct (using
Python 2.4rc1 or Python 2.3.3) does not act as documented on
Windows XP SP2, at least...
I hope we've both just missed something obvious.
-Peter
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