{"author_url":"https://blog.hatena.ne.jp/aoi_273/","image_url":null,"published":"2007-07-14 18:51:16","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Faoi-273.hatenadiary.org%2Fentry%2F20070714%2F1184406676\" title=\"File\u3001\u3042\u308b\u3044\u306fDir\u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30af - \u30d7\u30ed\u30b0\u30e9\u30e0\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","blog_url":"https://aoi-273.hatenadiary.org/","width":"100%","provider_name":"Hatena Blog","url":"https://aoi-273.hatenadiary.org/entry/20070714/1184406676","type":"rich","provider_url":"https://hatena.blog","version":"1.0","author_name":"aoi_273","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30e0\u30e1\u30e2","description":"\u305f\u3068\u3048\u3070\u300choge\u300d\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3068\u304d\u306f FileTest.exist?(\"hoge\") \u3067\u3002\u623b\u308a\u5024\u306fboolean\u3002\u30d5\u30a1\u30a4\u30eb\u3082\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3082\u540c\u3058\u3002","categories":["Ruby"],"title":"File\u3001\u3042\u308b\u3044\u306fDir\u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30af"}