From: "Ara.T.Howard" <Ara.T.Howard@...>
Date: 2005-10-21T12:52:00+09:00
Subject: Re: gnuplot on ruby

On Fri, 21 Oct 2005, soxinbox wrote:

> I installed gnuplot gem, and I am getting some syntax errors when I try to
> run the samples on the projects web page.
>
>> ruby test.rb
> c:/programs/ruby/lib/ruby/gems/1.8/gems/gnuplot-2.1/lib/gnuplot.rb:20:in
> `popen': No such file or directory - which gnuplot (Errno::ENOENT)
> from

it looks like the code must do

   IO::popen `which gnuplot`

so either

   - gnuplot is not on your system

   - gnuplot is not in your path

can you verify both of these?  from the shell do

   ~:> which -a gnuplot


-a
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