c/goertzel/sleepplot.sh

   1 #!/bin/bash
   2
   3 test -z "$1" && {
   4         echo "Usage: $0 sleeplog.txt"
   5         exit 23
   6 }
   7
   8 in="$1";
   9 graphout="${in%%.*}.png"
  10 test -n "$2" && graphout="$2";
  11
  12 #Last state
  13 last="$(tail -n 1 "$in" | cut -d ' ' -f 5)"
  14 test "$last" -gt 0 && last="motion" || last="peace";
  15
  16 #Approximate size of graph
  17 size="$(tail -n 1 "$in" | cut -d . -f 1 | sed -e 's/^0*//' | tee /tmp/lol)"
  18 test $size -gt 3600 && size="$(( $size/10 ))" #For prolonged periods
  19 size="$(( 600 + $size ))"
  20
  21 #Plot it
  22 gnuplot << EOF
  23 set output "$graphout"
  24 set terminal png size $size,400
  25
  26 set title "Sleep motions (current state: $last)"
  27 set xlabel "time"
  28 set ylabel "motion"
  29
  30 set yrange [-0.5:3]
  31
  32 set xdata time
  33 set timefmt "%s"
  34 #set format x "%H:%M:%S"
  35
  36 set grid
  37
  38 #set pointsize 0.5
  39 plot\
  40 "$in" using 2:5 title "Sensor state" with steps,\
  41 "" using 2:(\$6*2) title "Avg. 10s" with lines,\
  42 "" using 2:(\$7*3) title "Avg. 30s" with lines,\
  43 "" using 2:(\$8*3) title "Avg. 60s" with lines,\
  44 "" using 2:(\$9*3) title "Avg. 90s" with lines,\
  45 "" using 2:(\$10*4) title "Avg. 120s" smooth bezier\
  46
  47 EOF
  48
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  51