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Node.jsでスクレイピングからファイル保存[メモ]

Last updated at Posted at 2013-07-22
var scraper = require('scraper');
scraper('http://hoge.com/hoge', function(err, $) {
	// データを取得
	if (err) {throw err;}
	var ans = /<div>([0-9]*)<\/div>/ig.exec($('html').html());
	if (ans === null || !ans[1]) { throw 'No match'; }
	
	// 書き込みデータ作成
	var dt = new Date();
	var dtString = ("0" + dt.getHours()).slice(-2) + ':' + ("0" + dt.getMinutes()).slice(-2);
	
	// ファイルへ保存
	var fs = require('fs');
	fs.appendFileSync("/temp/data.txt", dtString + "\t" + ans[1] + "\n");
});
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