Implementing file reading in C/Python

[Steven D'Aprano]

On Fri, 09 Jan 2009 09:15:20 +0000, Marc 'BlackJack' Rintsch wrote:

>> picture = { }
>> havepixels = 0
>> while True:
>> 	data = f.read(blocksize)
>> 	if len(data) <= 0: break
> 
>     if data:
>         break
> 
> is enough.


You've reversed the sense of the test. The OP exits the loop when data is 
empty, you exit the loop when it *isn't* empty.



-- 
Steven