[Tutor] Closeing a file written to by cPickle dump

[Dave S]

Kent Johnson wrote:

> Dave S wrote:
>
>> I need to use pickle to save dictionaries, I have started:
>>
>> .....
>> from cPickle import dump
>> ......
>> dump(dict,open(data_dir+'/'+save_name,'w'))
>>
>> It appears to work OK & I can read from the pickle but in this dump 
>> format do I need to close the open file with an equiverlant of 
>> xxx.close(). Am I in danger of data not being flushed to the hard 
>> drive ?
>
>
> Though it may not always be necessary,  I think it is prudent to 
> always close a file that was opened for writing. The call to open 
> returns a file object, you just have to retain a reference to it so 
> you can close it when you are done:
>
> f=open(data_dir+'/'+save_name,'w'
> dump(dict,f))
> f.close()

Thanks for the above, now in my code :)

Dave