{"width":"100%","blog_title":"\u30e9\u30f3\u30c9ML","description":"open\uff1a\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f \u8aad\u307f\u53d6\u308a \u4f7f\u7528\u3059\u308b\u30d5\u30a1\u30a4\u30eb read\uff1a\u30d5\u30a1\u30a4\u30eb\u5168\u4f53\u3092\u6587\u5b57\u5217\u3068\u3057\u3066\u53d6\u5f97 readlines\uff1a\u5168\u884c\u3092\u914d\u5217\u3067\u53d6\u5f97 foreach\uff1a1\u884c\u305a\u3064\u30eb\u30fc\u30d7\u3067\u51e6\u7406 gets: 1\u884c\u305a\u3064\u53d6\u5f97 getc\uff1a1\u6587\u5b57\u305a\u3064\u53d6\u5f97 \u66f8\u304d\u53d6\u308a \u4f7f\u7528\u3059\u308b\u30d5\u30a1\u30a4\u30eb \u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\uff1aopen write\uff1a\u65b0\u898f\u4f5c\u6210 or \u8ffd\u8a18(\u6539\u884c\u306a\u3057) puts\uff1a\u65b0\u898f\u4f5c\u6210 or \u8ffd\u8a18(\u6539\u884c\u3042\u308a) \u8aad\u307f\u66f8\u304d\u4f4d\u7f6e\u306e\u79fb\u52d5 \u4f7f\u7528\u3059\u308b\u30d5\u30a1\u30a4\u30eb seek\uff1a\u30d0\u30a4\u30c8\u6307\u5b9a\u3067\u79fb\u52d5 rewind\uff1a\u5148\u982d\u306b\u623b\u308b \u6ce8\u610f\uff1a\u30e2\u30fc\u30c9a or a+\u3067\u66f8\u304d\u8fbc\u307f\u3092\u3059\u308b\u5834\u5408 \u53c2\u8003 open\uff1a\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f open\u30e1\u30bd\u30c3\u30c9\u306f\u3001 \u7b2c\u4e00\u5f15\u6570\uff1a\u30d5\u30a1\u30a4\u30eb\u540d \u7b2c\u4e8c\u5f15\u6570\uff1a\u30e2\u30fc\u30c9\u2026","published":"2026-06-22 06:52:19","provider_name":"Hatena Blog","image_url":null,"url":"https://ml-rand-note.hatenablog.com/entry/ruby/file-introduction","author_url":"https://blog.hatena.ne.jp/round-rand/","author_name":"round-rand","blog_url":"https://ml-rand-note.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fml-rand-note.hatenablog.com%2Fentry%2Fruby%2Ffile-introduction\" title=\"\u3010Ruby\u3011\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c(read, gets, write, seek\u306a\u3069) - \u30e9\u30f3\u30c9ML\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","type":"rich","title":"\u3010Ruby\u3011\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c(read, gets, write, seek\u306a\u3069)","height":"190","version":"1.0","categories":["Ruby"]}