You Look Too Cool

function send_npb_mail() {
  var my_team, url, mail, title, result, html, lines;
  var gamenum, games, i, m, infos, info_new, sheet, info_old, this_info;
  my_team = "{チーム}";
  mail = "{メールアドレス}";
  url = "http://baseball.yahoo.co.jp/npb/schedule/";
  title = "プロ野球得点メール";
 
  td=new Date();
  this_hour=td.getHours();
  Logger.log(this_hour);
  if(this_hour<13){
    return;
  }
  //情報を取得
  result = UrlFetchApp.fetch(url);
  html = result.getContentText();
  lines = html.split(/\n/);
  gamenum = -1;
  games = [];
  for(i = 0; i < lines.length; i++) {
    if(lines[i].match(/<table.*class="teams">/)) {
      gamenum++;
      games[gamenum] = [];
      games[gamenum].teams = [];
      games[gamenum].runs = [];
    }
    if(gamenum > -1) {
      m = lines[i].match(/<a.*\/npb\/teams\/.*>(.*)<\/a>/);
      if(m) { //チーム名の取得
        games[gamenum].teams.push(m[1]);
      }
      m = lines[i].match(/<td class="score_r">.*?([0-9\-]+).*?<\/td>/);
      if(m) { //得点の取得
        games[gamenum].runs.push(m[1]);
      }
    }
  }
  if(games.length<1){//試合がない場合は処理しない。
    return;
  }
  infos = [];
  for(i = 0; i < games.length; i++) {
    infos.push(games[i].teams[0] + games[i].runs[0] + "-" + games[i].runs[1] + games[i].teams[1]);
  }
  info_new = infos.join(";");
  //ログを取得
  sheet = SpreadsheetApp.getActiveSheet();
  info_old = sheet.getRange(1, 1).getValue();
  if(info_new !== info_old) {
    this_info = team_info(my_team, info_old, info_new);
    if(this_info !== "") {
      MailApp.sendEmail(mail, this_info, info_new.replace(/;/g, "\n"));
    }
    sheet.getRange(1, 1).setValue(info_new);
  }
}

function team_info(my_team, info_old, info_new) {
  //指定チームの試合状況に変更があれば新しい試合状況を返す。
  //変更がなければ空文字を返す。
  //第2,第3引数は「ヤクルト2-6ＤｅＮＡ;巨人0-1中日」という文字列。
  var olds, news, old_one, new_one, i;
  olds = info_old.split(/;/);
  news = info_new.split(/;/);
  old_one = "";
  new_one = "";
  for(i = 0; i < olds.length; i++) {
    if(olds[i].match(my_team)) {
      old_one = olds[i];
    }
  }
  for(i = 0; i < news.length; i++) {
    if(news[i].match(my_team)) {
      new_one = news[i];
    }
  }
  if(old_one != new_one) {
    return new_one;
  } else {
    return "";
  }
}