# gnuplot
# A graph plotter that outputs in several formats.
# More information: <http://www.gnuplot.info/>.
# Start the interactive graph plotting shell:
gnuplot
# Plot the graph for the specified graph definition file:
gnuplot path/to/definition.plt
# Set the output format by executing a command before loading the definition file:
gnuplot -e "set output "path/to/filename.png" size 1024,768" path/to/definition.plt
# Persist the graph plot preview window after gnuplot exits:
gnuplot --persist path/to/definition.plt
$
cheat.sh
tldr