[Tutor] Re: How to read unicode strings from a binary file and
display them as plain ascii?
javier at ruere.com.ar
Thu Mar 3 05:42:33 CET 2005
R. Alan Monroe wrote:
>>R. Alan Monroe wrote:
>>>I started writing a program to parse the headers of truetype fonts to
>>>examine their family info. But I can't manage to print out the strings
>>>without the zero bytes in between each character (they display as a
>>>black block labeled 'NUL' in Scite's output pane)
>>> stuff = f.read(nlength)
>>> stuff = unicode(stuff, 'utf-8')
>> If there are embeded 0's in the string, it won't be utf8, it could be
>>utf16 or 32.
>> unicode(stuff, 'utf-16')
>>> print type(stuff), 'stuff', stuff.encode()
>>> <type 'unicode'> stuff [NUL]C[NUL]o[NUL]p[NUL]y[NUL]r[NUL]i[NUL]g[NUL]
>> I don't understand what you tried to accomplish here.
> That's evidence of what I failed to accomplish. My expected results
> was to print the word "Copyright" and whatever other strings are
> present in the font, with no intervening NUL characters.
Oh but why print type(stuff) or 'stuff'?
> Aha, after some trial and error I see that I'm running into an endian
> problem. It's "\x00C" in the file, which needs to be swapped to
> "C\x00". I cheated temporarily by just adding 1 to the file pointer
Ah! Endianness! I completely overlook this issue! I have lost several
hours of my life to endian problems.
Glad to see (on another post) there is an encoding which handles
explicitly the endianness or the encoded string.
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