From: Jon Dean <jdale58@...>
Date: 2006-05-16T17:38:33+09:00
Subject: ruby/gnuplot on windows

Using the sine wave example from the home page how to, I've been able to 
get gnuplot to generate the plot but it immediately terminates, flashing 
only briefly on the screen.  I bypassed the which method and hardcoded 
the executable in the gnuplot.rb starting at 44:

def Gnuplot.gnuplot( persist = true )
    #cmd = which( ENV['RB_GNUPLOT'] || 'gnuplot' )
    #cmd += " -persist" if persist
    cmd = "C:\\Gnuplot\\pgnuplot.exe" + " -persist" if persist
    cmd
  end

It appears that the -persist flag is not being passed to the command 
line.  Any thoughts on how to get the -persist flat to function and keep 
the graph active long enough for me to view it?
Thanks,
-j

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