{"blog_url":"https://takuya-1st.hatenablog.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakuya-1st.hatenablog.jp%2Fentry%2F2024%2F04%2F09%2F000000\" title=\"bash \u3067\u5909\u6570\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\uff08bash\u3067\u5909\u6570\u521d\u671f\u5316\uff09 - \u305d\u308c\u30de\u30b0\u3067\uff01\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2024-04-09 00:00:00","author_name":"takuya_1st","version":"1.0","blog_title":"\u305d\u308c\u30de\u30b0\u3067\uff01","type":"rich","author_url":"https://blog.hatena.ne.jp/takuya_1st/","description":"bash \u3067\u5909\u6570\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5 VARIABLE=default if [ ! -z $VARIABLE ] ; then FOO=$3; fi \u3053\u308c\u3092\u3071\u3071\u3063\u3068\u304b\u3051\u308b\u3002 FOO=\"${VARIABLE:=default}\" \u521d\u671f\u5024\u3092\u767b\u9332\u3067\u304d\u308b\u3068\u3001\u672c\u5f53\u306b\u4fbf\u5229\u3060\u3057\u3001\u3053\u306e\u66f8\u5f0f\u3092\u77e5\u3063\u3066\u308b\u3060\u3051\u3067\u3001\u8a18\u8ff0\u91cf\u3068if\u30cd\u30b9\u30c8\u304c\u6539\u5584\u3055\u308c\u3066\u3001\u697d\u306b\u306a\u308b\u3068\u601d\u3046\u3002","categories":["bash"],"image_url":null,"provider_name":"Hatena Blog","url":"https://takuya-1st.hatenablog.jp/entry/2024/04/09/000000","provider_url":"https://hatena.blog","height":"190","title":"bash \u3067\u5909\u6570\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\uff08bash\u3067\u5909\u6570\u521d\u671f\u5316\uff09","width":"100%"}