{"blog_url":"https://guyon.hatenablog.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fguyon.hatenablog.jp%2Fentry%2F20081015%2F1224081278\" title=\"String\u306e\u7a7a\u5224\u5b9a - Guyon Diary\" 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","version":"1.0","image_url":null,"provider_name":"Hatena Blog","type":"rich","categories":["vim"],"title":"String\u306e\u7a7a\u5224\u5b9a","author_url":"https://blog.hatena.ne.jp/guyon/","provider_url":"https://hatena.blog","blog_title":"Guyon Diary","author_name":"guyon","published":"2008-10-15 23:34:38","url":"https://guyon.hatenablog.jp/entry/20081015/1224081278","width":"100%","description":"\u5909\u6570\u304c\u7a7a\u6587\u5b57\u3067\u306a\u3044\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3059\u308b\u5834\u5408\u3001\u4f55\u901a\u308a\u304b\u65b9\u6cd5\u304c\u3042\u308b\u307f\u305f\u3044\u3002 variables\u306e\u30d8\u30eb\u30d7\u3067\u7a7a\u6587\u5b57\u5224\u5b9a\u306bstrlen\u306e\u8a18\u8f09\u304c\u3042\u308b\u3002 :h variables \u5148\u982d\u306e0\u306b\u3088\u3063\u30668\u9032\u6570\u3068\u307f\u306a\u3055\u308c\u308b\u306e\u3092\u9632\u3044\u3060\u308a\u3001\u7570\u306a\u308b\u57fa\u6570\u3092\u4f7f\u3046\u306b\u306f|str2nr()|\u3092 \u4f7f\u3046\u3002 \u30d6\u30fc\u30eb(\u771f\u7406\u5024)\u6f14\u7b97\u306b\u306f\u6570\u5024\u304c\u4f7f\u308f\u308c\u308b\u30020\u306f\u507d\u3092\u610f\u5473\u3057\u3001\u975e0\u306f\u771f\u3092\u8868\u3059\u3002 Note \u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u307f\u308b\u3068 > :if \"foo\" \"foo\"\u306f0\u306b\u5909\u63db\u3055\u308c\u3001\u305d\u308c\u306f\u507d\u3092\u610f\u5473\u3059\u308b\u3002\u6587\u5b57\u5217\u304c\u7a7a\u3067\u306f\u306a\u3044\u304b\u8abf\u3079\u308b\u305f\u3081\u306b\u306f strlen()\u3092\u4f7f\u7528\u3057\u3066\u6b21\u306e\u3088\u3046\u306b\u3059\u308b\u3002 > :if strlen(\"foo\") \u4ed6\u306e\u30d8\u30eb\u30d7\u3067\u306f if foo != \"\"\u2026"}