convert binary to float
M8R-yfto6h at mailinator.com
Sun Jun 1 23:59:07 CEST 2008
>"George Sakkis" <george.sakkis at gmail.com> wrote in message
>news:829b1e8f-baac-4ff4-909b->b39df97a436c at d45g2000hsc.googlegroups.com...
>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 : f = open("test2.pc0", "rb")
>> In : tagData = f.read(4)
>> In : tagData
>> Out: '\x00\x00\xc0@'
>> I can then do the following in order to convert it to a float:
>> In : struct.unpack("f", "\x00\x00\xc0@")
>> Out: (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 ;-)
tagData still contains your data, but it is being displayed two different
ways. Consult the documentation about str() and repr().
More information about the Python-list