#! /bin/bash
# Last edited on 2014-04-29 18:26:55 by stolfilocal

gnuplot <<EOF
set term X11
set timefmt "%Y-%m-%d"
set yrange [-2:]
set xdata time
set format x "%Y-%m-%d"
semester=6*30*24*60*60
plot "timespans.txt" using (timecolumn(1)):(column(0)):(timecolumn(2)-timecolumn(1)):(0.0) \
      notitle with vectors lt 1 lw 2.0
pause 10
plot "timespans.txt" using (timecolumn(1)):(column(0)):(semester):(0.0) \
      notitle with vectors lt 1 lw 2.0
pause 10
EOF