{"version":"1.0","url":"https://rubytips86.hatenablog.com/entry/2014/03/25/104529","published":"2014-03-25 10:45:29","author_url":"https://blog.hatena.ne.jp/rubytips86/","height":"190","width":"100%","description":"\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u5909\u66f4\u3059\u308b\u306b\u306f\u3001File.chdir\u307e\u305f\u306fFileUtils.chdir\u3092\u4f7f\u3046\u3002 p Dir.pwd #=> \"/home/rubytips86\" Dir.chdir('/') p Dir.pwd #=> \"/\" \u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u30d6\u30ed\u30c3\u30af\u3092\u53d6\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002\u30d6\u30ed\u30c3\u30af\u3092\u4e0e\u3048\u308b\u3068\u30d6\u30ed\u30c3\u30af\u306e\u4e2d\u3067\u3060\u3051\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u5909\u66f4\u3055\u308c\u3001\u30d6\u30ed\u30c3\u30af\u3092\u629c\u3051\u308b\u3068\u5143\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u623b\u308b\u3002 require 'fileutils' p Dir.pwd #=> \"/home/rubytips86\" FileUtils.chdir('/'){ p Dir.pwd #=> \"/\" } p Dir.pwd\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frubytips86.hatenablog.com%2Fentry%2F2014%2F03%2F25%2F104529\" title=\"\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u5909\u66f4\u3059\u308b - Ruby Tips!\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://rubytips86.hatenablog.com/","title":"\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u5909\u66f4\u3059\u308b","author_name":"rubytips86","provider_url":"https://hatena.blog","type":"rich","provider_name":"Hatena Blog","image_url":null,"categories":[],"blog_title":"Ruby Tips!"}