When to open\close file

Hello,
I have a loop with data acquisition and I would like to write this data to a file.
What is the best option: to open the file once, at the beginning of the acquisition and to close it when it is done, to open it and close it every time I write a line on the file or to do something else?
If there is no best option, I would like to understand the good and bad points of each option.
Best regards,
Gabriel
Solved!
Go to Solution.

Hi!
Hmmm...
The only right way to write into file or DB is the moment in time you should. Depending on the task under consideration, ofcoarse.
If the data you get each iteration is of no vital importance, then once a whole loop or even program is enough.
And, if each iteration's data is to be protected, I'd sertainly tried to find some system's time to open and close the file every single iteration - why not?
Talking about "better"? The only "better" is not to crash, suppose.
Regards.

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HelloThank's for your helpsI hope this document is helpfulBest Regards,
Date: Sun, 22 Jun 2014 17:10:17 -0700
From: [email protected]
To: [email protected]
Subject: when i open pdf file it open all the pages but some pages give error massage (there was error processing a page,there was a problem reading this document 110) but if i open this page which give me error with google chrome it's work ? if you can help me th
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