Generating plots with GNUplot and sending them via mail

Installing packages

sudo apt-get install gnuplot metamail

Formatting date/times for GNUplot

GNUplot reads HH:MM as well as seconds-since-the-epoch. The latter can be obtained like this:

Plotting using GNUplot

#!/usr/bin/gnuplot

set term gif
set output "SimSpeed.gif"
plot "SimSpeed.txt"
quit
	

Sending with MetaMail

metasend -b -s "Progress " -t me@home.com -m application/x-gzip -f tarbundle.tgz