neoki.sh

#!/bin/bash

URL=http://s.cympfh.cc/cympfh/sleep
OUT=./neoki.png

last_status=NONE
datfile=$(mktemp)

curl -s $URL | while read t status; do
    date_ymd=$(date -d "$t" "+%Y%m%d")
    date_hm=$(date -d "$t" "+%H%M")
    action=
    if [ "$status" == "good night" -a "$status" != "$last_status" ]; then
        action=ne
    elif [ "$status" == "good morning" -a "$status" != "$last_status" ]; then
        action=oki
    fi
    if [ ! -z "$action" ]; then
        echo "$date_ymd $date_hm $action"
    fi
    last_status=$status
done > "$datfile"

gnuplot <<EOM
set terminal pngcairo size 1600,900
set output '$OUT'

set xdata time
set ydata time

xformat = "%Y%m%d"
yformat = "%H%M"
set format x "%m/%d"
set format y "%H:%M"

# ne/oki lines
set style line 1 lc rgb '#addddd' lt 1 lw 5 ps 4 pt 2
set style line 2 lc rgb '#ddadad' lt 1 lw 5 ps 4 pt 6

# tics
set style line 11 lc rgb '#808080' lt 1 lw 3
set border 0 back ls 11
set tics out nomirror

# grid
set style line 12 lc rgb '#808080' lt 0 lw 1
set grid back ls 12

set title 'neoki'
set yrange [:] reverse

plot '< grep ne $datfile' u (timecolumn(1, xformat)):(timecolumn(2, yformat)) w lp  title 'ne' ls 1 ,\
'< grep oki $datfile' u (timecolumn(1, xformat)):(timecolumn(2, yformat)) w lp title 'oki' ls 2
EOM