convert binary to float
Mason
john.gerald.mason at gmail.com
Sun Jun 1 17:52:32 EDT 2008
On Jun 1, 5:12 pm, George Sakkis <george.sak... at gmail.com> wrote:
> On Jun 1, 3:55 pm, Mason <john.gerald.ma... at gmail.com> wrote:
>
>
>
> > I have tried and tried...
>
> > I'd like to read in a binary file, convert it's 4 byte values into
> > floats, and then save as a .txt file.
>
> > This works from the command line (import struct);
>
> > In [1]: f = open("test2.pc0", "rb")
> > In [2]: tagData = f.read(4)
> > In [3]: tagData
> > Out[3]: '\x00\x00\xc0@'
>
> > I can then do the following in order to convert it to a float:
>
> > In [4]: struct.unpack("f", "\x00\x00\xc0@")
> > Out[4]: (6.0,)
>
> > But when I run the same code from my .py file:
>
> > f = open("test2.pc0", "rb")
> > tagData = f.read(4)
> > print tagData
>
> > I get this (ASCII??):
> > „@
>
> Remembering to put that struct.unpack() call in your module might
> help ;-)
>
> George
Wow ... I did have it in there, but I forgot include it in my post.
Anyway, this works just fine:
f = open("test2.pc0", "rb")
tagData = f.read(4)
print struct.unpack("f", tagData)
Thanks for waking me up George!
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