潰れた記念Blog

#!/bin/sh
# 東電のアレ
LOG="/tmp/tepco.log"
URL="http://www.tepco.co.jp/forecast/html/images/juyo-j.csv"

wget -q -O $LOG $URL

if [ "$1" = "autoconf" ]; then
  if [ -r $LOG ]; then
    echo yes
    exit 0
  else
    echo no
    exit 1
  fi
fi

if [ "$1" = "config" ]; then
  echo "graph_title Use of Electric Power"
  echo "graph_args -l 1000 -E"
  echo "graph_scale no"
  echo "graph_vlabel 10thousand kW"
  echo "graph_category tepco"
  echo "peak.min 0"
  echo "peak.draw LINE1"
  echo "peak.label Maximum capacity"
  echo "peak.info Today's maximum supply capacity"
  echo "kinou.min 0"
  echo "kinou.draw LINE2"
  echo "kinou.label Yesterday's actual"
  echo "kinou.info Yesterday's actual demand"
  echo "kyou.min 0"
  echo "kyou.draw AREA"
  echo "kyou.label Today's actual"
  echo "kyou.info Today's actual demand"
  echo "yoso.min 0"
  echo "yoso.draw LINE1"
  echo "yoso.label Forecasted maximum"
  echo "yoso.info Forecasted maximum demand of today"
  echo "graph_order kyou kinou yoso peak"
  echo "kyou.colour 00ffff"
  echo "kinou.colour ff00ff"
  echo "peak.colour 000000"
  exit 0
fi

PKL=3           # ピーク値の行
FCL=6           # 予想最大の行
OFS=8           # 実績への行オフセット-1

# 更新時刻の取得
HH=`head -n 1 $LOG | awk 'BEGIN{ FS="[: ]" }{ print $2 }'`

# 時刻が0時の時
if [ $HH -eq 0 ]; then
  HH=24
fi

# 指示行の設定
NOW=`expr $OFS + $HH`

# 出す
head -n $PKL $LOG | tail -n 1 | awk 'BEGIN{ FS="," }{ print "peak.value "$1 }'
head -n $NOW $LOG | tail -n 1 | awk 'BEGIN{ FS="," }{ print "kyou.value "$3; print "kinou.value "$4 }'
head -n $FCL $LOG | tail -n 1 | awk 'BEGIN{ FS="," }{ print "yoso.value "$1 }'