{"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/skume/20220117/20220117223914.png","title":"\u3010R\u306e\u30b8\u30df\u301c\u306a\u5c0f\u6280\u30b7\u30ea\u30fc\u30ba\u3011\u30d5\u30a9\u30eb\u30c0\u30fb\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u4f5c\u6210\u30fb\u524a\u9664\u30fb\u30b3\u30d4\u30fc\u30fb\u540d\u524d\u5909\u66f4 \u301c\u30d5\u30a9\u30eb\u30c0\u304c\u5b58\u5728\u3057\u306a\u3044\u6642\u306b\u3060\u3051\u4f5c\u6210\u3092\u5b9f\u884c\u3059\u308b\u301c","blog_title":"\u4eac\u6a4b\u306e\u30d0\u30a4\u30aa\u30a4\u30f3\u30d5\u30a9\u30de\u30c6\u30a3\u30b7\u30e3\u30f3\u306e\u65e5\u5e38","blog_url":"https://skume.net/","provider_name":"Hatena Blog","height":"190","description":"\u306f\u3058\u3081\u306b \u30d5\u30a9\u30eb\u30c0\u30fb\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u4f5c\u6210\u30fb\u524a\u9664\u30fb\u30b3\u30d4\u30fc\u30fb\u540d\u524d\u5909\u66f4 \u30d5\u30a9\u30eb\u30c0\u306e\u4f5c\u6210\u30fb\u524a\u9664\u306b\u3064\u3044\u3066 \u30d5\u30a9\u30eb\u30c0\u306e\u30b3\u30d4\u30fc\u30fb\u30d5\u30a9\u30eb\u30c0\u524a\u9664\uff08file.remove\u3067\u6d88\u305b\u306a\u3044\u6642\u306e\u5bfe\u5fdc\uff09 \u30d5\u30a9\u30eb\u30c0\u540d\u3092\u5909\u66f4\u3059\u308b \u8907\u6570\u968e\u5c64\u306e\u30d5\u30a9\u30eb\u30c0\u3092\u4f5c\u6210\u3059\u308b \u30d5\u30a9\u30eb\u30c0\u304c\u5b58\u5728\u3057\u306a\u3044\u6642\u306b\u3060\u3051\u3001\u30d5\u30a9\u30eb\u30c0\u306e\u4f5c\u6210\u3092\u5b9f\u884c\u3059\u308b \u307e\u3068\u3081 \u3010R\u306e\u30b8\u30df\u301c\u306a\u5c0f\u6280\u30b7\u30ea\u30fc\u30ba\u3011 \u306f\u3058\u3081\u306b R\u8a00\u8a9e\u3067\u306e\u30d5\u30a9\u30eb\u30c0\u64cd\u4f5c\uff08\u4f5c\u6210\u30fb\u524a\u9664\u30fb\u30b3\u30d4\u30fc\u30fb\u540d\u524d\u5909\u66f4\u30fb\u79fb\u52d5\uff09\u306b\u95a2\u3059\u308b\u95a2\u6570\u306b\u3064\u3044\u3066\u3001\u8272\u3005\u3068\u307e\u3068\u3081\u3066\u307f\u305f*1\u3002 \u30d5\u30a9\u30eb\u30c0\u30fb\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u4f5c\u6210\u30fb\u524a\u9664\u30fb\u30b3\u30d4\u30fc\u30fb\u540d\u524d\u5909\u66f4 \u30d5\u30a9\u30eb\u30c0\u306e\u4f5c\u6210\u30fb\u524a\u9664\u306b\u3064\u3044\u3066 #\u30d5\u30a9\u30eb\u30c0\u306e\u5b58\u5728\u78ba\u8a8d dir.exists(\"01_test\") #[1] FAL\u2026","author_url":"https://blog.hatena.ne.jp/skume/","categories":["R\u306e\u30b8\u30df\u301c\u306a\u5c0f\u6280\u30b7\u30ea\u30fc\u30ba","R","R - \u30d5\u30a9\u30eb\u30c0\u4f5c\u6210\u30fb\u524a\u9664\u3068\u304b","R - dir.exists","R - dir.create","R - file.remove","R - unlink","R - \u30d5\u30a9\u30eb\u30c0\u4f5c\u6210\u30b3\u30de\u30f3\u30c9","R - \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4f5c\u6210\u30b3\u30de\u30f3\u30c9"],"type":"rich","provider_url":"https://hatena.blog","url":"https://skume.net/entry/2021/02/12/230851","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fskume.net%2Fentry%2F2021%2F02%2F12%2F230851\" title=\"\u3010R\u306e\u30b8\u30df\u301c\u306a\u5c0f\u6280\u30b7\u30ea\u30fc\u30ba\u3011\u30d5\u30a9\u30eb\u30c0\u30fb\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u4f5c\u6210\u30fb\u524a\u9664\u30fb\u30b3\u30d4\u30fc\u30fb\u540d\u524d\u5909\u66f4 \u301c\u30d5\u30a9\u30eb\u30c0\u304c\u5b58\u5728\u3057\u306a\u3044\u6642\u306b\u3060\u3051\u4f5c\u6210\u3092\u5b9f\u884c\u3059\u308b\u301c - \u4eac\u6a4b\u306e\u30d0\u30a4\u30aa\u30a4\u30f3\u30d5\u30a9\u30de\u30c6\u30a3\u30b7\u30e3\u30f3\u306e\u65e5\u5e38\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","author_name":"skume","published":"2021-02-12 23:08:51"}