From: Mike Stephens <rubfor@...>
Date: 2011-01-10T22:06:19+09:00
Subject: Re: Draw Line chart

I know I'll get hate mail as soon as I press Submit but don't ignore the
best gem in the Ruby World.

It's most likely already installed on your computer and it's called 
Excel, and it's dead easy to create charts. As a matter of
interest it is equally dead easy to script Access (ie Jet) to get the
data out.

See eg
http://rubyonwindows.blogspot.com/2008/06/automating-excel-creating-charts.html

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