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Preserving variable values upon script

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I want to know what is the best way to preserve the values of variables in a running script so as when I close the program and re-open it after the weekend, I retreive those values?

Shall I just write them to a file every few minutes or is there a way in the program to do that?

Thanks
In that case there is excellent opportunity - https://docs.mql4.com/cn/globals
In that case there is excellent opportunity - https://docs.mql4.com/cn/globals


Would anyone have an example of how to save indicator values into a global variables? I can save individual values but not sure how to do arrays.
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