Re: realtime output and csv files

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From	Joel Goldstick <joel.goldstick@gmail.com>
Newsgroups	comp.lang.python
Subject	Re: realtime output and csv files
Date	Fri, 5 Feb 2016 16:43:15 -0500
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On Fri, Feb 5, 2016 at 4:13 PM, Bernardo Sulzbach <mafagafogigante@gmail.com
> wrote:

> On 02/05/2016 07:09 PM, lucan wrote:
>
>>
>> What do you mean? What is "datas"? What do you mean by "correct"?
>>>
>>
>> "datas" I mean the values for example temperature = 20.4 (so they are
>> floating point)
>>
>> Index time temp
>> 1 10:24 20.4
>> 2 10:25 20.6
>> ...
>>
>> I wonder if this is correct "my way" to write a csv file:
>>
>> file.write('\n'+str(index))
>> f.write(str(index)+','+str(now.hour)+':'+str(now.minute)+','+str(temp))
>>
>
You might want to do this:

f.write("%d, %2d:%2d, %.1f" % (index, now.hour, now.minute, temp))

In my test:

>>> print("%d, %2d:%2d, %.1f" % (1,10,24,20.4))
1, 10:24, 20.4

This uses the original python formatting method.  There is a newer one as
well

>
>> Or if there is a better way to do that.
>>
>>
> If you got your newlines and headers (if the other program requires it)
> right, this should be all you need.
> --
> https://mail.python.org/mailman/listinfo/python-list
>



-- 
Joel Goldstick
http://joelgoldstick.com/stats/birthdays

Thread

realtime output and csv files lucan <lucan@NNN.it> - 2016-02-05 20:49 +0100
  Re: realtime output and csv files Bernardo Sulzbach <mafagafogigante@gmail.com> - 2016-02-05 17:57 -0200
    Re: realtime output and csv files lucan <lucan@NNN.it> - 2016-02-05 22:09 +0100
      Re: realtime output and csv files Bernardo Sulzbach <mafagafogigante@gmail.com> - 2016-02-05 19:13 -0200
      Re: realtime output and csv files Joel Goldstick <joel.goldstick@gmail.com> - 2016-02-05 16:43 -0500
      Re: realtime output and csv files Bernardo Sulzbach <mafagafogigante@gmail.com> - 2016-02-05 19:51 -0200
        Re: realtime output and csv files lucan <lucan@NNN.it> - 2016-02-06 14:40 +0100
      Re: realtime output and csv files Joel Goldstick <joel.goldstick@gmail.com> - 2016-02-05 17:12 -0500
  Re: realtime output and csv files Tim Chase <python.list@tim.thechases.com> - 2016-02-05 22:27 -0600
  Re: realtime output and csv files Bernardo Sulzbach <mafagafogigante@gmail.com> - 2016-02-06 02:53 -0200
  Re: realtime output and csv files Tim Chase <python.list@tim.thechases.com> - 2016-02-06 06:45 -0600

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