{"provider_url":"https://hatena.blog","title":"zsh\u3067\u7b97\u8853\u6f14\u7b97","blog_title":"\u3059\u304e\u3083\u30fc\u3093\u30e1\u30e2","url":"https://memo.sugyan.com/entry/20090330/1238381591","height":"190","categories":["Zsh"],"type":"rich","image_url":null,"blog_url":"https://memo.sugyan.com/","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmemo.sugyan.com%2Fentry%2F20090330%2F1238381591\" title=\"zsh\u3067\u7b97\u8853\u6f14\u7b97 - \u3059\u304e\u3083\u30fc\u3093\u30e1\u30e2\" 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/sugyan/","description":"\u4eca\u65e5\u306ezsh\u3002 \u6f22\u306ezsh (8) \u3053\u308c\u306f\u65e2\u306b\u30b7\u30a7\u30eb\u3092\u8d85\u3048\u3066\u3044\u308b\u2026\u2026 zsh\u306e\u7b97\u8853\u6f14\u7b97 | \u30de\u30a4\u30ca\u30d3\u30cb\u30e5\u30fc\u30b9 \u7b97\u8853\u8a08\u7b97\u3092\u30b7\u30a7\u30eb\u3067\u884c\u3046\u3068\u304d\u306b\u3002 \u5358\u7d14\u306a\u6574\u6570\u306e\u8a08\u7b97 expr\u3092\u4f7f\u3046\u5834\u5408\u3001'*'\u306f\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3060\u3051\u3069 % expr 1 + 2 \\* 3 7\u3053\u306e\u8a18\u6cd5\u3092\u4f7f\u3048\u3070\u305d\u3093\u306a\u306e\u306f\u6c17\u306b\u3057\u306a\u304f\u3066\u5927\u4e08\u592b\u3002 % echo $(( 1 + 2 * 3 )) 7 \u7d2f\u4e57\u306e\u8a08\u7b97\u3084\u30d3\u30c3\u30c8\u6f14\u7b97\u306fexpr\u3067\u306f\u3067\u304d\u306a\u3044\uff1f\u57fa\u672c\u7684\u306b\u4e0b\u306e\u8a18\u6cd5\u3092\u4f7f\u3063\u305f\u65b9\u304c\u826f\u3055\u305d\u3046\u3002 % echo $(( 2 ** 10 )) 1024 % echo $(( 1 << 10 )) 1024\u3053\u3053\u307e\u3067\u306fbash\u3082\u3067\u304d\u308b\u3002 \u5c0f\u6570\u2026","published":"2009-03-30 11:53:11","author_name":"sugyan","version":"1.0","provider_name":"Hatena Blog"}