{"id":1773,"date":"2020-10-15T11:28:46","date_gmt":"2020-10-15T03:28:46","guid":{"rendered":"https:\/\/www.gbase8.cn\/?p=1773"},"modified":"2020-10-15T11:45:48","modified_gmt":"2020-10-15T03:45:48","slug":"gbase-8a%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%ae%a2%e6%88%b7%e7%ab%af%e7%94%b1%e4%ba%8estdbuf%e7%bc%93%e5%86%b2%e5%af%bc%e8%87%b4%e8%be%93%e5%87%ba%e4%bf%a1%e6%81%af%e9%a1%ba%e5%ba%8f%e9%94%99%e8%af%af","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/1773","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u547d\u4ee4\u884c\u5ba2\u6237\u7aef\u7531\u4e8estdbuf\u7f13\u51b2\u5bfc\u81f4\u8f93\u51fa\u4fe1\u606f\u987a\u5e8f\u9519\u8bef"},"content":{"rendered":"<p>GBase 8a\u63d0\u4f9b\u4e86\u547d\u4ee4\u884c\u5ba2\u6237\u7aefgccli \u7528\u6765\u6267\u884csql\u8bed\u53e5\uff0c\u4e5f\u652f\u6301\u6279\u91cf\u6267\u884c\u3002\u5982\u679c\u5c06\u8f93\u51fa\u7ed3\u679c\u8f6c\u5230\u6587\u4ef6\uff0c\u4f1a\u51fa\u73b0\u8f93\u51fa\u4fe1\u606f\u987a\u5e8f\u9519\u8bef\u95ee\u9898\u3002\u89e3\u51b3\u65b9\u6848\u662f\u5173\u95edstdbuf\u7684\u7f13\u51b2\u533a\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Directory Navigation<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2b2c98ace4a\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2b2c98ace4a\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/1773\/#%E4%B8%8D%E5%85%B3%E9%97%AD%E7%9A%84%E8%BE%93%E5%87%BA%E9%94%99%E8%AF%AF%E6%A0%B7%E4%BE%8B\" >\u4e0d\u5173\u95ed\u7684\u8f93\u51fa\u9519\u8bef\u6837\u4f8b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/1773\/#%E5%85%B3%E9%97%AD%E7%9A%84%E8%BE%93%E5%87%BA%E6%A0%B7%E4%BE%8B\" >\u5173\u95ed\u7684\u8f93\u51fa\u6837\u4f8b<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%B8%8D%E5%85%B3%E9%97%AD%E7%9A%84%E8%BE%93%E5%87%BA%E9%94%99%E8%AF%AF%E6%A0%B7%E4%BE%8B\"><\/span>\u4e0d\u5173\u95ed\u7684\u8f93\u51fa\u9519\u8bef\u6837\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u8f93\u51fa\u7684end\u5b57\u7b26\u4e32\u8dd1\u5230\u524d\u9762\u4e86\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;gbase@rh6-1 ~]$ gccli -e\"system echo 'start';select now();system echo 'end';\" > 2.log      &#91;gbase@rh6-1 ~]$ cat 2.log\nstart\nend\nnow()\n2020-10-15 11:24:18\n&#91;gbase@rh6-1 ~]$\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%85%B3%E9%97%AD%E7%9A%84%E8%BE%93%E5%87%BA%E6%A0%B7%E4%BE%8B\"><\/span>\u5173\u95ed\u7684\u8f93\u51fa\u6837\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u8f93\u51fa\u6b63\u5e38\u3002\u5176\u4e2d\u7684\u53c2\u6570\u662f-o \u5c0f\u5199\u7684\u5b57\u6bcdo. \u540e\u9762\u7684\u6570\u5b57\u662f0\u3002 L\u662f\u6309\u884c\u8f93\u51fa\u3002<\/p>\n\n\n\n<p>\u6216\u8005\u589e\u52a0 -n \u53c2\u6570 (--unbuffered) \u4e5f\u53ef\u4ee5\u5b9e\u73b0\u76f8\u540c\u6548\u679c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;gbase@rh6-1 ~]$ stdbuf -o0 -oL gccli -e\"system echo 'start';select now();system echo 'end';\" > 1.log\n&#91;gbase@rh6-1 ~]$ cat 1.log\nstart\nnow()\n2020-10-15 11:24:00\nend\n&#91;gbase@rh6-1 ~]$\n&#91;gbase@rh6-1 ~]$ gccli -n  -e\"system echo 'start';select now();system echo 'end';\" > 2.log\n&#91;gbase@rh6-1 ~]$ cat 2.log\nstart\nnow()\n2020-10-15 11:44:29\nend\n&#91;gbase@rh6-1 ~]$<\/code><\/pre>","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 8a\u63d0\u4f9b\u4e86\u547d\u4ee4\u884c\u5ba2\u6237\u7aefgccli 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