{"title":"bash\u306edouble bracket ([[ ]])\u3067\u8ad6\u7406\u5224\u5b9a\u3059\u308b","published":"2021-11-26 23:58:45","author_name":"shuzo_kino","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshuzo-kino.hateblo.jp%2Fentry%2F2021%2F11%2F26%2F235845\" title=\"bash\u306edouble bracket ([[ ]])\u3067\u8ad6\u7406\u5224\u5b9a\u3059\u308b - Bye Bye Moore\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"Bye Bye Moore","description":"\u5b9f\u969b\u306e\u3068\u3053\u308d \u3053\u3093\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u3042\u3063\u305f\u3068\u3057\u307e\u3059 ~$ cat cmd1.bash #!/bin/bash printf $(basename $0) exit 0\u3053\u308c\u3092\u4e8c\u91cd\u89d2\u30ab\u30c3\u30b3\u5185\u3067\u5224\u5b9a\u3059\u308b\u3068\u3001\u6b63\u306f\uff10\u3001\u8ca0\u306f\uff11\u3092\u8fd4\u3057\u307e\u3059\u3002 \u3053\u308c\u306b&&\u3084||\u3092\u3064\u306a\u3052\u3066\u51e6\u7406\u3092\u7d9a\u3051\u307e\u3059\u3002 $ [[ ./cmd1.bash ]] && echo 0 0$ [[ ./cmd1.bash ]] || echo 0 \u5fdc\u7528\uff1a\u51e6\u7406\u304c\u6b63\u5e38\u306b\u7d42\u308f\u3063\u305f/\u7d42\u308f\u3089\u306a\u3044\u30b1\u30fc\u30b9\u306e\u51e6\u7406\u3092\u66f8\u304f \u4e2d\u3082\u8ad6\u7406\u3067\u3064\u306a\u3052\u3070\u3001\u51e6\u7406\u304c\u6b63\u5e38\u306b\u7d42\u308f\u3063\u305f\u5834\u5408\u306e\u51e6\u7406\u3082\u8a18\u8ff0\u53ef\u80fd\u3067\u3059\u3002 \u5148\u307b\u3069\u306e\u306b\u7d9a\u3044\u3066\u3001\u304a\u3093\u306a\u3058\u3088\u3046\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u7528\u610f\u3057\u3001\u3053\u3044\u3064\u3092\u4e8c\u91cd\u89d2\u30ab\u30c3\u30b3\u5185\u3067\u7e4b\u304e\u307e\u3059 \u2026","version":"1.0","blog_url":"https://shuzo-kino.hateblo.jp/","author_url":"https://blog.hatena.ne.jp/shuzo_kino/","height":"190","url":"https://shuzo-kino.hateblo.jp/entry/2021/11/26/235845","type":"rich","width":"100%","image_url":null,"categories":["bash","linux"],"provider_name":"Hatena Blog"}