with open('com1', 'r') as f:

Lawrence D'Oliveiro ldo at geek-central.gen.new_zealand
Sun Apr 5 05:51:31 CEST 2009


In message <91e09eaf-5a25-4a6b-b131-
a5245970b337 at f19g2000yqh.googlegroups.com>, gert wrote:

> On Apr 4, 12:58 am, Lawrence D'Oliveiro <l... at geek-
> central.gen.new_zealand> wrote:
>
>> In message <8bc55c05-19da-41c4-
>> b916-48e0a4be4... at p11g2000yqe.googlegroups.com>, gert wrote:
>>
>>> with open('com1', 'r') as f:
>>> for line in f:
>>>     print('line')
>>
>> Why bother, why not just
>>
>> for line in open('com1', 'r') :
>>     print line
> 
> So its does the same thing as with right ?

Why do you need a with?

> Automatic closing and finalizing stuff.

All Python objects are reference-counted. Once the file object becomes 
inaccessible, it is automatically closed. Simple.

Note: I wouldn't do this for files open for writing. I'd prefer to make sure 
those were properly flushed and closed, if only to catch any I/O errors.




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