Re: [Gnuplot-info] gnuplot, get single value

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alexgm24 wrote:
> Hi,
> I want to get a single value from a data file to use it as a constant:

So write yourself a script that takes the file name, and parameters 
describing the position of that value, as command line arguments.  Do it 
in what ever scripting language you like.  Then read "help substitution" 
in gnuplot.