Issue with continous incrementing of unbroken sequence for a entire working day

Matt Jones matt.walker.jones at gmail.com
Thu Feb 28 20:11:38 CET 2013


Store the day as well as the serial_number in your file.  If the day is the
same as today's day, use the serial_number, if not, use 1.  At the end of
you program write the current day and serial_number.

*Matt Jones*


On Thu, Feb 28, 2013 at 1:00 PM, Morten Engvoldsen <mortenengv at gmail.com>wrote:

> Hi,
> thanks for youe suggestion. I think i will go for your second option:
>
> # Runs this loop until killed
> while True
> <do some stuff: clean serial_number, if day changed, calculate salesrecord
> etc.>
>
> serial_number = salesrecord(serial_number)
>
>
> But, if i save the serial_ number value in file, then how  will it decide
> to reset the serial number to '1' when the batch  runs on next working day.
> What condition can be good, so that next day when the batch runs, it will
> know it has to reset the value 1.  Also my batch will not automatcilly run
> whole day, this is user's decision how many times he wants to run the batch
> in a day. Can you elebrate more how can i do that ...
>
> On Thu, Feb 28, 2013 at 6:43 PM, Vytas D. <vytasd2013 at gmail.com> wrote:
>
>> Hi,
>>
>> If you want to have one program running forever and printing
>> sales_records, you would do (one of the possibilities) something like this:
>> def salesrecord(serial_number):
>>
>>     for i in salesrecord:
>>
>>         print first_sales_record
>>         serial_number += 1
>>         print serial_number
>>     return serial_number
>>
>> if __name__ == '__main__':
>>     serial_number = 1
>>
>>     # Runs this loop until killed
>>     while True
>>         <do some stuff: clean serial_number, if day changed, calculate
>> salesrecord etc.>
>>
>>         serial_number = salesrecord(serial_number)
>>
>> If you want to run your script so it finishes and then saves last value
>> of serial_number, so you can pass it to your script when it runs next time,
>> you should save the value to some file and read that file on every start of
>> your program.
>>
>> Vytas
>>
>>
>> On Thu, Feb 28, 2013 at 4:31 PM, Morten Engvoldsen <mortenengv at gmail.com>wrote:
>>
>>> Hi team,
>>> I need to run a batch of sales records and  the batch has serial_number
>>> filed to store the serial number of the sales record. The serial number
>>> should be set to  1 everyday when the batch runs first time in a day and
>>> the maximum serial number could be 1000.
>>>
>>> So when the batch runs first time in a day and if it has 10 records, so
>>> the last serial number will be 10. And when the batch runs 2nd time in same
>>> day, the serial number should start from 11.  In this way serial_number
>>> will increment as an unbroken series throughout the entire working day. The
>>> next day when the batch runs first time the serial number will reset to 1.
>>>
>>> Now this could be sample code how the program can count the sequence for
>>> a batch:
>>>
>>> def salesrecord():
>>>     serial_number = 1
>>>     for i in selesrecord:
>>>         print first_sales_record
>>>         serial_number += 1
>>>         print serial_number
>>>
>>> salesrecord()
>>>
>>> So if the batch has 10 records and last serial number of first batch is
>>> 10, then when the batch runs second time in the same day, how the
>>> 'serial_number' will get the value of 10 and then continue the serial
>>> number for the same day,  then for next day again the serial number will
>>> start from 1.
>>>
>>> Can you let me know how can i achive this in python? As i am in learning
>>> phase of python, can you let me know what would be good approach to do this
>>> in python.
>>>
>>> --
>>> http://mail.python.org/mailman/listinfo/python-list
>>>
>>>
>>
>
> --
> http://mail.python.org/mailman/listinfo/python-list
>
>
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