{"description":"fish shell \u56db\u5247\u6f14\u7b97\u4f8b math\u304c\u4f7f\u3048\u308b(expr\u3067\u3082\u53ef\u80fd)\u3002 date -d \u3067timestamp\u3092\u51fa\u3059\u7d44\u307f\u5408\u308f\u305b\u3067timestamp\u306e\u5dee\u5206\u3092\u3068\u308b\u3002 $ math (date -d \"1970-01-01 01:00:00+UTC\" +\"%s\") - (date -d \"1970-01-01 00:00:00+UTC\" +\"%s\") 3600","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F2019%2F07%2F26%2F185138\" title=\"fish shell \u56db\u5247\u6f14\u7b97\u4f8b - by shigemk2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","title":"fish shell \u56db\u5247\u6f14\u7b97\u4f8b","provider_url":"https://hatena.blog","image_url":null,"categories":["Fish"],"width":"100%","url":"https://www.shigemk2.com/entry/2019/07/26/185138","published":"2019-07-26 18:51:38","provider_name":"Hatena Blog","blog_url":"https://www.shigemk2.com/","height":"190","author_name":"shigemk2","blog_title":"by shigemk2","author_url":"https://blog.hatena.ne.jp/shigemk2/","type":"rich"}