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| Date | Sat, 6 Oct 2012 23:52:47 +1000 |
| Subject | Re: write binary with struct.pack_into |
| From | Chris Angelico <rosuav@gmail.com> |
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On Sat, Oct 6, 2012 at 11:26 PM, Grant Edwards <invalid@invalid.invalid> wrote:
> On 2012-10-06, Dennis Lee Bieber <wlfraed@ix.netcom.com> wrote:
>> On Fri, 5 Oct 2012 20:27:36 -0700 (PDT), palmeira <palmeira@gmail.com>
>> declaimed the following in gmane.comp.python.general:
>>
>>>
>>> #WRITE
>>> fb=open('testOUT.bin')
>>
>> Unless you specify otherwise, open() defaults to read-only
>
> It also defaults to 'text' mode which does cr/lf translaction. That
> will break both reads and writes on any binary file containing 0x0a
> and 0x0d bytes.
And, in Python 3, it'll be returning Unicode characters too, unless
the decode fails. You definitely want binary mode.
ChrisA
Back to comp.lang.python | Previous | Next — Previous in thread | Find similar | Unroll thread
Re: write binary with struct.pack_into Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-10-06 00:52 -0400
Re: write binary with struct.pack_into Grant Edwards <invalid@invalid.invalid> - 2012-10-06 13:26 +0000
Re: write binary with struct.pack_into Chris Angelico <rosuav@gmail.com> - 2012-10-06 23:52 +1000
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