{"width":"100%","image_url":null,"type":"rich","height":"190","author_url":"https://blog.hatena.ne.jp/shigemk2/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F2017%2F12%2F12%2Fmemo_bc\" title=\"memo bc - 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>","author_name":"shigemk2","version":"1.0","categories":["Linux"],"blog_url":"https://www.shigemk2.com/","provider_url":"https://hatena.blog","title":"memo bc","url":"https://www.shigemk2.com/entry/2017/12/12/memo_bc","description":"memo bc \u4e45\u3005\u306e\u3002\u3053\u308c\u306fbash\u3060\u3051\u3069\u3002 pi=$(echo \"scale=10; 4*a(1)\" | bc -l) fish\u3067\u3053\u3093\u306a\u611f\u3058\u3067\u66f8\u3044\u3066\u307f\u3088\u3046\u3002 echo (grep \"^aaa\" test.csv | wc -l) - (grep \"^bbb\" test.csv | wc -l) | bc","blog_title":"by shigemk2","provider_name":"Hatena Blog","published":"2017-12-12 20:09:11"}