aereal https://blog.hatena.ne.jp/aereal/ Sexually Knowing https://this.aereal.org/ ruby $ irb > require &#39;pathname&#39; => true > Pathname.new(&#39;~/tmp&#39;).expand_path.mkpath => nil mkpathFileUtils.mkpath(self.to_s) と同じです。 [SEE_ALSO] FileUtils.#mkpath class Pathname [RETURN]list を返します。 module function FileUtils.#makedirs あれれれれれれ？？？？？？？？？？まあ、どうでもいいです。問題はそこじゃない Pathname.new(&#39;~… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fthis.aereal.org%2Fentry%2F20100517%2F1274065152" title="FileUtils#.mkpath と Pathname#mkpath の挙動 - Sexually Knowing" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2010-05-17 11:59:12 rich https://this.aereal.org/entry/20100517/1274065152 1.0 100%