Baffling unpack() or read() problem......

[Thomas A. Bryan]

Matthew Joyce wrote:
> 
> The code below runs perfectly on Linux on very large files of binary
> data. However it believes it's got to the end of the file prematurely
> in Windows after reading a variable number of sequences of 16 bytes.
> 
> Why should it work in Linux and not Windows? What am I missing?

> rawinfile=open(os.path.abspath("nt.raw"),"r")

Isn't the default to open files in text mode?
Try

rawinfile=open(os.path.abspath("nt.raw"),"rb")