{"title":"\u30b7\u30a7\u30eb\u306b\u304a\u3051\u308b\u5909\u6570\u306e\u6271\u3044\u306b\u95a2\u3059\u308b\u8003\u5bdf","blog_title":"masa.edw the \u30cf\u30d0\u30cd\u30ed\u30d6\u30ea\u30fc\u30c0\u30fc","author_name":"masa_edw","provider_name":"Hatena Blog","url":"https://masa-edw.hatenadiary.org/entry/20080422/1208835887","author_url":"https://blog.hatena.ne.jp/masa_edw/","published":"2008-04-22 12:44:47","height":"190","categories":[],"version":"1.0","type":"rich","width":"100%","blog_url":"https://masa-edw.hatenadiary.org/","image_url":null,"provider_url":"https://hatena.blog","description":"\u30b7\u30a7\u30eb\u306b\u95a2\u3059\u308b\u3061\u3083\u3093\u3068\u3057\u305f\u672c\u306f\u8aad\u3093\u3060\u3053\u3068\u304c\u306a\u3044\u306e\u3067\u60f3\u50cf\u306a\u3093\u3060\u3051\u3069\u3001\u30b7\u30a7\u30eb\u306e\u5909\u6570\u3063\u3066\u306e\u306f\u5f0f\u304c\u8a55\u4fa1\u3055\u308c\u308b\u524d\u306b\u5c55\u958b\u3055\u308c\u308b\u3093\u3058\u3083\u306a\u3044\u304b\u306a\u3002\u3053\u3093\u306a\u611f\u3058\u3002 [ -n $UNDEFINED ] # $UNDEFINED \u306f\u672a\u5b9a\u7fa9\u3060\u304b\u3089\u2026\u2026 # \u5c55\u958b\u3059\u308b\u3068: [ -n ] \u3053\u308c\u304c\u771f\u306b\u306a\u308b\u304b\u3089\u3001\u5148\u306e\u30a8\u30f3\u30c8\u30ea\u306e\u3088\u3046\u306a\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u306f\u306a\u3044\u3060\u308d\u3046\u304b\u3002 [ -n ] && echo hoge # ==> hoge [ -z ] && echo hoge # ==> hoge \u30a2\u30bf\u30ea\u3002\u305d\u3082\u305d\u3082\u5f15\u6570\u304c\u6e21\u3063\u3066\u306a\u3044\u3002\u305b\u3063\u304b\u304f\u3060\u304b\u3089\u5f15\u6570\u306e\u6570\u3092\u6570\u3048\u3066\u307f\u308c\u3070\u9593\u9055\u3044\u7121\u3044\u3060\u308d\u3046\u3002 \u672a\u5b9a\u7fa9\u306e\u5909\u6570\u3092\u6e21\u3057\u3066\u3082\u6570\u306b\u5165\u3089\u306a\u3044\u306f\u305a\u3060\u3002 count_\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmasa-edw.hatenadiary.org%2Fentry%2F20080422%2F1208835887\" title=\"\u30b7\u30a7\u30eb\u306b\u304a\u3051\u308b\u5909\u6570\u306e\u6271\u3044\u306b\u95a2\u3059\u308b\u8003\u5bdf - masa.edw the \u30cf\u30d0\u30cd\u30ed\u30d6\u30ea\u30fc\u30c0\u30fc\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}