From: nagai@...
Date: 2003-01-31T10:34:51+09:00
Subject: Re: tkgnuplot problem: fork() on win (popen3 for windows?)

Hi, 

From: Ralf <lausianne@gmx.net>
Subject: Re: tkgnuplot problem: fork() on win (popen3 for windows?)
Date: Fri, 31 Jan 2003 03:23:02 +0900
Message-ID: <3e396ad1$1@epflnews.epfl.ch>
> In Gordon Millers Gnuplot.rb this works to start gnuplot:
>   @cmd = 'c:\program files\design\
> 	gnuplot\gp371w32\pgnuplot.exe' # path to *my* gnuplot
>   @gnuplot = IO::popen(@cmd, "w")
> 
> > Please try the following check on irb.
> > 
> > irb(main):001:0> require './gnuplot.rb'
> > irb(main):002:0> gp = GnuplotProcess.new
> > irb(main):003:0> gp.cmd('plot sin(x)')
> > 
> same error message as before ...

Well, what happen when you give the gnuplot command path to 1st argument of 
GnuplotProcess.new method ? 

irb(main):001:0> require './gnuplot.rb'
irb(main):002:0> gp = GnuplotProcess.new('c:\program files\design\gnuplot\gp371w32\pgnuplot.exe')
irb(main):003:0> gp.cmd('plot sin(x)')
-- 
                                  Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)