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15.2.7 Interaction with gnuplot

Loadable Function: val = gnuplot_binary ()

Loadable Function: old_val = gnuplot_binary (new_val)

Query or set the name of the program invoked by the plot command. The default value "gnuplot". See appendix E Installing Octave.

Loadable Function: val = gnuplot_use_title_option ()

Loadable Function: old_val = gnuplot_use_title_option (new_val)

If enabled, append ‘-title "Figure NN"’ to the gnuplot command. By default, this feature is enabled if the DISPLAY environment variable is set when Octave starts.

This function is obsolete and will be removed from a future version of Octave.