Variables, loops, and conditionals in Gnuplot

[Inner Variable] Define Gnuplot variables

[External Variable] Use Bash variables within Gnuplot

[Multiple Traces] Use loop in the Gnuplot plotting command

[Repeptetive Charts] Generate gnuplot charts in the Bash loop

[Filter Data] Conditional Gnuplotting

[Update Params] Bash Conditionals for changing on-the-fly plotting params