On 01/10/2011 08:03 AM, Fan Jin wrote:
> 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.
>
Not sure, but MSAccess should have a "Save As"" exporter to CSV. MSExcel definitelyhas one.