{"url":"https://greenpenguin.hatenablog.jp/entry/2025/02/28/162242","image_url":null,"provider_url":"https://hatena.blog","title":"\u3010Shell Script\u3011\u6761\u4ef6\u5206\u5c90","version":"1.0","published":"2025-02-28 16:22:42","author_name":"Greenpenguin","width":"100%","provider_name":"Hatena Blog","height":"190","categories":[],"blog_title":"\u307d\u304b\u307d\u304b\u30b3\u30fc\u30c9\u65e5\u548c","type":"rich","blog_url":"https://greenpenguin.hatenablog.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgreenpenguin.hatenablog.jp%2Fentry%2F2025%2F02%2F28%2F162242\" title=\"\u3010Shell Script\u3011\u6761\u4ef6\u5206\u5c90 - \u307d\u304b\u307d\u304b\u30b3\u30fc\u30c9\u65e5\u548c\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/Greenpenguin/","description":"\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u306e \u6761\u4ef6\u306b\u3088\u3063\u3066\u51e6\u7406\u3092\u5206\u5c90\u3059\u308b\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9\uff08if\u6587\u3001case\u6587\u3001test\u30b3\u30de\u30f3\u30c9\uff09\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3057\u305f\u3002 if\u6587 \u300cif\u300d\u306f\u3001\u6761\u4ef6\u306b\u5408\u81f4\u3057\u305f\u5834\u5408(\u771f)\u306b\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u3002 if [ \u6761\u4ef6\u5f0f ] then \u6761\u4ef6\u306b\u5408\u81f4\u3057\u305f\u5834\u5408\u306e\u51e6\u7406 fi [ \u6761\u4ef6\u5f0f ]\u306e\u3088\u3046\u306b\u3001[]\u3068\u6761\u4ef6\u5f0f\u306e\u9593\u306b\u5fc5\u305a\u534a\u89d2\u30b9\u30da\u30fc\u30b9\u3092\u3044\u308c\u308b\u3002 \u6761\u4ef6\u5f0f\u306b\u5408\u81f4\u3057\u306a\u3044(\u507d)\u306e\u5834\u5408\u306f\u3001\u51e6\u7406\u3092\u30b9\u30ad\u30c3\u30d7\u3059\u308b\u3002 \u6761\u4ef6\u5f0f\u306b\u3044\u308c\u308b\u6bd4\u8f03\u6f14\u7b97\u5b50\u3084\u6761\u4ef6 \u6570\u5024\u306e\u6bd4\u8f03 \u6f14\u7b97\u5b50 \u5185\u5bb9\uff08\u6570\u5024\uff11\u3068\u6570\u5024\uff12\u304c\uff09 \u6570\u50241 -eq \u6570\u50242 \u7b49\u3057\u3044(=) \u6570\u50241 -ne \u6570\u50242 \u7b49\u3057\u304f\u306a\u3044(!=) \u6570\u50241 -gt \u6570\u50242 \u6570\u50242\u3088\u308a\u5927\u304d\u3044(>) \u6570\u50241 -ge\u2026"}