{"provider_url":"https://hatena.blog","image_url":null,"version":"1.0","author_name":"takuya_1st","title":"bash/sh\u3067\u8a08\u7b97(\u56db\u5247\u6f14\u7b97)\u3092\u3059\u308b\u65b9\u6cd5\u3002  ","author_url":"https://blog.hatena.ne.jp/takuya_1st/","published":"2010-06-06 01:23:08","provider_name":"Hatena Blog","url":"https://takuya-1st.hatenablog.jp/entry/20100606/1275841388","blog_url":"https://takuya-1st.hatenablog.jp/","type":"rich","blog_title":"\u305d\u308c\u30de\u30b0\u3067\uff01","categories":[],"width":"100%","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakuya-1st.hatenablog.jp%2Fentry%2F20100606%2F1275841388\" title=\"bash/sh\u3067\u8a08\u7b97(\u56db\u5247\u6f14\u7b97)\u3092\u3059\u308b\u65b9\u6cd5\u3002   - \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>","description":"Bash\u3067\u8a08\u7b97\u3092\u3059\u308b\u306b\u306f \u8a08\u7b97\u5f0f\uff08calculating expression)\u3092\u8868\u3059\u30b3\u30de\u30f3\u30c9\uff08\u95a2\u6570\uff09EXPR\u3092\u4f7f\u3046\u3002 i=9999 expr $i / 1000 \u4ee5\u4e0b\u306f\u3088\u304f\u9593\u9055\u3048\u308b\u66f8\u304d\u65b9 \u3088\u304f\u3042\u308b\u9593\u9055\u3044 \u539f\u56e0 expr $i/1000 /\u306e\u4e21\u8107\u306b\u30b9\u30da\u30fc\u30b9\u304c\u306a\u3044\u306e\u3067\u6587\u5b57\u5217$i/1000\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u308b expr( $i / 1000 ) C\u8a00\u8a9e\u3067\u306f\u306a\u3044\u306e\u3067\u3001\u4e38\u62ec\u5f27\u306f\u8981\u3089\u306a\u3044 expr $i+1000 \u3053\u308c\u3082/\u306e\u5834\u5408\u3068\u540c\u3058\u3002\u30b9\u30da\u30fc\u30b9\u304c\u5fc5\u8981 expr $i /1000 \u30b9\u30da\u30fc\u30b9\u304c\u8db3\u308a\u306a\u3044\u3002 echo expr $i + 1000 echo \u306f\u8a08\u7b97\u5f0f\u3092\u8fd4\u3059\u3002\u8a08\u7b97\u306f\u3057\u306a\u3044 \u3053\u308c\u3089\u6b86\u3069\u304csyntax e\u2026"}