Examples

To launch an interactive session:

      gnuplot

To execute two command files "input1" and "input2" in batch mode:

      gnuplot input1 input2

To launch an interactive session after an initialization file "header" and followed by another command file "trailer":

      gnuplot header - trailer

To give gnuplot commands directly in the command line, using the "-persist" option so that the plot remains on the screen afterwards:

      gnuplot -persist -e "set title 'Sine curve'; plot sin(x)"

To set user-defined variables a and s prior to executing commands from a file:

      gnuplot -e "a=2; s='file.png'" input.gpl