{"published":"2025-04-24 12:00:00","height":"190","provider_name":"Hatena Blog","blog_url":"https://coffee-guhaw.hateblo.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcoffee-guhaw.hateblo.jp%2Fentry%2F2025%2F04%2F24%2F120000\" title=\"\u3010\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3011\u5185\u3067\u3042\u308b\u30b3\u30de\u30f3\u30c9\u306e\u6709\u7121\u3092\u5224\u5225 - Bus error\u3068Segmentation fault\u306b\u56f0\u3063\u305f\u3089\u898b\u308b\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u3010\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3011\u5185\u3067\u3042\u308b\u30b3\u30de\u30f3\u30c9\u306e\u6709\u7121\u3092\u5224\u5225","width":"100%","image_url":null,"author_url":"https://blog.hatena.ne.jp/coffee_kabu/","blog_title":"Bus error\u3068Segmentation fault\u306b\u56f0\u3063\u305f\u3089\u898b\u308b\u30d6\u30ed\u30b0","version":"1.0","author_name":"coffee_kabu","type":"rich","provider_url":"https://hatena.blog","url":"https://coffee-guhaw.hateblo.jp/entry/2025/04/24/120000","categories":["\u30b7\u30a7\u30eb\u30b3\u30de\u30f3\u30c9/\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8"],"description":"\u25a0 \u53c2\u8003 : \u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u30b3\u30de\u30f3\u30c9\u306e\u6709\u7121\u3092\u78ba\u304b\u3081\u308bif [ `which hoge` ]; then echo 'hoge atta' fi\u81ea\u5206\u3082\u6700\u521d\u306bwhich\u3068if\u3067\u3069\u3046\u306b\u304b\u306a\u308a\u305d\u3046\u30fb\u30fb\u30fb\u3068\u601d\u3063\u305f\u3051\u3069\u3001if\u6587\u306e\u66f8\u304d\u65b9\u304c\u308f\u304b\u3089\u306a\u304f\u3066\u30b0\u30b0\u3063\u305f\u30fb\u30fb\u30fb \u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u306eif\u306f\u3053\u3093\u306a\u306b\u4f7f\u3063\u3066\u3082\u5168\u7136\u899a\u3048\u3089\u308c\u306a\u3044\u30fb\u30fb\u30fb test\u3068if\u3068[ ]\u304c\u3042\u3063\u3066\u982d\u30b0\u30c1\u30e3\u30b0\u30c1\u30e3which\u306e\u4ee3\u308f\u308a\u306b\u3001hash\u3084type\u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u306b\u7f6e\u304d\u63db\u3048\u3066\u3082\u52d5\u304f\u3057\u305d\u3063\u3061\u306e\u65b9\u304c\u65e9\u3044\u3068\u3044\u3046\u8a18\u4e8b\u3082\u3042\u3063\u3066\u8a66\u3057\u3066\u307f\u305f\u25a0 \u53c2\u8003 : Bash\u3067\u30b3\u30de\u30f3\u30c9\u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30afif type \"hoge\" > /dev/null 2>&1 then\u2026"}