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+====== linux cli live plot using gnuplot ======
+thanks to [[http://hxcaine.com/blog/2013/02/28/running-gnuplot-as-a-live-graph-with-automatic-updates/|Horation Caine]] for the essentials...
+write data to ''plot.dat'' .. for example graph nvidia-smi delivered GPU temperature of a Tesla card:
+  while true; do echo -e "$(<plot.dat)\n##\t$(nvidia-smi | grep -A1 Tesla | tail -1 | awk '{print $3}' | tr -d C)" | tail -n 60 | awk '{print NR "\t" $2}' > plot.new && mv -f plot.new plot.dat && cat plot.dat; sleep 1; done
+gnuplot script to display update a graph on the command line every second, save this to
+<code>
+set yrange [60:85]
+set xrange [1:60]
+set terminal dumb
+plot "plot.dat" using 1:2 with lines
+pause 1
+reread
+</code>
+run the plot:
+   gnuplot liveplot.gnu