c/goertzel/sleepplot.sh

   1 #!/bin/bash
   2
   3 test -z "$1" && {
   4         echo "Usage: $0 sleeplog.txt"
   5         exit 23
   6 }
   7
   8 size="$(tail -n 1 "$1" | cut -d . -f 1)"
   9 test $size -gt 3600 && size="$(( $size/10 ))" #For prolonged periods
  10 size="$(( 200 + ($size * 2) ))"
  11
  12 gnuplot << EOF
  13 set output "$1.png"
  14 set terminal png size $size,200
  15
  16 set title "Sleep motions"
  17 set xlabel "time"
  18 set ylabel "motion"
  19
  20 set yrange [-0.5:1.5]
  21
  22 set xdata time
  23 set timefmt "%s"
  24 #set format x "%H:%M:%S"
  25
  26 #set y2tics 300
  27 #set ytics 5
  28
  29 set grid
  30
  31 #set pointsize 0.5
  32 plot "$1" using 2:5 with histeps;
  33
  34 EOF
  35
  36
  37
  38