zimbatm ... wrote in post #973434:
> Hi,
>
> the simplest is if you can export your columns of datas into CSV
> format. Then you can just read it with the 'csv' libary. See
> http://ruby-doc.org/stdlib/libdoc/csv/rdoc/index.html for some usage.
> Then it's just a matter of opening the CSV, get the values you want
> out of it, and feed them to Gruff.
>
> I'm sure it's also possible to connect to the Access database using
> ADO under windows, but it's going to be a bit harder I think. If it's
> only a tool for you, I would keep the CSV version, otherwise invest
> some time in the ADO version once the first-one is working.


What tools that I need to use to convert data into CSV format, please? 
It seems that I need to install some tools to do this.

-Jin Fan

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