{"id":1312,"date":"2020-11-19T10:55:48","date_gmt":"2020-11-19T02:55:48","guid":{"rendered":"https:\/\/www.specialwu.com\/?p=1312"},"modified":"2020-12-21T16:00:46","modified_gmt":"2020-12-21T08:00:46","slug":"shell%e8%84%9a%e6%9c%ac%e5%85%a5%e9%97%a8","status":"publish","type":"post","link":"http:\/\/www.specialwu.com\/?p=1312","title":{"rendered":"shell\u811a\u672c\u5165\u95e8"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_61 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #000000;color:#000000\" 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: #000000;color:#000000\" 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><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/www.specialwu.com\/?p=1312\/#%E6%A6%82%E8%A7%88\" title=\"\u6982\u89c8\">\u6982\u89c8<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/www.specialwu.com\/?p=1312\/#%E5%B8%B8%E8%A7%81%E7%9A%84%E7%BC%96%E7%A8%8B%E8%AF%AD%E8%A8%80%E5%88%86%E4%B8%BA%E4%B8%A4%E7%B1%BB\" title=\"\u5e38\u89c1\u7684\u7f16\u7a0b\u8bed\u8a00\u5206\u4e3a\u4e24\u7c7b\">\u5e38\u89c1\u7684\u7f16\u7a0b\u8bed\u8a00\u5206\u4e3a\u4e24\u7c7b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/www.specialwu.com\/?p=1312\/#%E7%AC%AC%E4%B8%80%E4%B8%AAshell%E8%84%9A%E6%9C%AC%E7%A8%8B%E5%BA%8F\" title=\"\u7b2c\u4e00\u4e2ashell\u811a\u672c\u7a0b\u5e8f\">\u7b2c\u4e00\u4e2ashell\u811a\u672c\u7a0b\u5e8f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/www.specialwu.com\/?p=1312\/#%E5%8F%98%E9%87%8F\" title=\"\u53d8\u91cf\">\u53d8\u91cf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/www.specialwu.com\/?p=1312\/#Shell%E4%B8%AD%E7%9A%84%E6%9B%BF%E6%8D%A2\" title=\"Shell\u4e2d\u7684\u66ff\u6362\">Shell\u4e2d\u7684\u66ff\u6362<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/www.specialwu.com\/?p=1312\/#Shell%E8%BF%90%E7%AE%97%E7%AC%A6\" title=\"Shell\u8fd0\u7b97\u7b26\">Shell\u8fd0\u7b97\u7b26<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"http:\/\/www.specialwu.com\/?p=1312\/#Shell%E4%B8%AD%E7%9A%84%E5%AD%97%E7%AC%A6%E4%B8%B2\" title=\"Shell\u4e2d\u7684\u5b57\u7b26\u4e32\">Shell\u4e2d\u7684\u5b57\u7b26\u4e32<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"http:\/\/www.specialwu.com\/?p=1312\/#Shell%E7%9A%84%E6%95%B0%E7%BB%84\" title=\"Shell\u7684\u6570\u7ec4\">Shell\u7684\u6570\u7ec4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"http:\/\/www.specialwu.com\/?p=1312\/#printf%E5%87%BD%E6%95%B0\" title=\"printf\u51fd\u6570\">printf\u51fd\u6570<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"http:\/\/www.specialwu.com\/?p=1312\/#Shell%E4%B8%AD%E6%9D%A1%E4%BB%B6%E8%AF%AD%E5%8F%A5\" title=\"Shell\u4e2d\u6761\u4ef6\u8bed\u53e5\">Shell\u4e2d\u6761\u4ef6\u8bed\u53e5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"http:\/\/www.specialwu.com\/?p=1312\/#shell%E7%9A%84%E6%96%87%E4%BB%B6%E5%8C%85%E5%90%AB\" title=\"shell\u7684\u6587\u4ef6\u5305\u542b\">shell\u7684\u6587\u4ef6\u5305\u542b<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"%E6%A6%82%E8%A7%88\"><\/span>\u6982\u89c8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\u53d8\u91cf<\/li>\n<li>\u66ff\u6362\uff08\u8f6c\u4e49\u7b26\u3001\u547d\u4ee4\u66ff\u6362\u3001\u53d8\u91cf\u7684\u66ff\u6362\uff09<\/li>\n<li>\u8fd0\u7b97\u7b26<\/li>\n<li>\u5b57\u7b26\u4e32<\/li>\n<li>\u6570\u7ec4<\/li>\n<li>print\u51fd\u6570<\/li>\n<li>\u6761\u4ef6\u8bed\u53e5<\/li>\n<li>\u5faa\u73af\u8bed\u53e5<\/li>\n<li>shell\u51fd\u6570<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"%E5%B8%B8%E8%A7%81%E7%9A%84%E7%BC%96%E7%A8%8B%E8%AF%AD%E8%A8%80%E5%88%86%E4%B8%BA%E4%B8%A4%E7%B1%BB\"><\/span>\u5e38\u89c1\u7684\u7f16\u7a0b\u8bed\u8a00\u5206\u4e3a\u4e24\u7c7b<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li>\u4e00\u4e2a\u662f\u7f16\u8bd1\u578b\u8bed\u8a00\uff0c\u5982\uff1ac\/c++\/java\u7b49\uff0c\u5b83\u4eec\u8fdc\u884c\u524d\u5168\u90e8\u4e00\u8d77\u8981\u7ecf\u8fc7\u7f16\u8bd1\u5668\u7684\u7f16\u8bd1\u3002<\/li>\n<li>\u53e6\u4e00\u4e2a\u89e3\u91ca\u578b\u8bed\u8a00\uff0c\u6267\u884c\u65f6\uff0c\u9700\u8981\u4f7f\u7528\u89e3\u91ca\u5668\u4e00\u884c\u4e00\u884c\u5730\u8f6c\u6362\u4e3a\u4ee3\u7801\uff0c\u5982\uff1aawk, perl, python\u4e0eshell\u7b49\u3002<br \/>\nShell\u662f\u4e00\u79cd\u811a\u672c\u8bed\u8a00\uff0c\u90a3\u4e48\uff0c\u5c31\u5fc5\u987b\u6709\u89e3\u91ca\u5668\u6765\u6267\u884c\u8fd9\u4e9b\u811a\u672c\uff0c\u5e38\u89c1\u7684\u811a\u672c\u89e3\u91ca\u5668\u6709\uff1a<\/li>\n<\/ol>\n<pre><code class=\"language-bash line-numbers\">bash\uff1a\u662fLinux\u6807\u51c6\u9ed8\u8ba4\u7684shell\u3002bash\u7531Brian Fox\u548cChet Ramey\u5171\u540c\u5b8c\u6210\uff0c\u662fBourneAgain Shell\u7684\u7f29\u5199\uff0c\u5185\u90e8\u547d\u4ee4\u4e00\u5171\u670940\u4e2a\u3002\nsh\uff1a\u00a0\u7531Steve Bourne\u5f00\u53d1\uff0c\u662fBourne Shell\u7684\u7f29\u5199\uff0csh \u662fUnix \u6807\u51c6\u9ed8\u8ba4\u7684shell\u3002\n\u53e6\u5916\u8fd8\u6709\uff1aash\u3001 csh\u3001 ksh\u7b49\u3002\n<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"%E7%AC%AC%E4%B8%80%E4%B8%AAshell%E8%84%9A%E6%9C%AC%E7%A8%8B%E5%BA%8F\"><\/span>\u7b2c\u4e00\u4e2ashell\u811a\u672c\u7a0b\u5e8f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li><code>\/opt\/hadoop-2.7.7\/sbin<\/code>\u6b64\u811a\u672c\u4e3a\u8be5hadoop\u4e0b\u7684<code>start-balancer.sh<\/code>\u811a\u672c<\/li>\n<li>\n<p>&#8220;#!&#8221;\u662f\u4e00\u79cd\u7ea6\u5b9a\u6807\u8bb0, \u5b83\u53ef\u4ee5\u544a\u8bc9\u7cfb\u7edf\u8fd9\u4e2a\u811a\u672c\u9700\u8981\u4ec0\u4e48\u6837\u7684\u89e3\u91ca\u5668\u6765\u6267\u884c\uff0c\u4e0b\u9762\u7528\u7684\u662fbash\u89e3\u91ca\u5668<\/p>\n<\/li>\n<li>\n<p>\u6267\u884c\u60c5\u51b5\uff08\u8fd0\u884c\u524d\u4e3a\u811a\u672c\u589e\u52a0\u53ef\u6267\u884c\u6743\u9650<code>chmod u+x grade.sh<\/code> \uff09<\/p>\n<\/li>\n<\/ul>\n<pre><code class=\"language-bash line-numbers\">[root@wq1 ~]# .\/grade.sh         \nPlease input your grade:88\nGood,Your grade is B.\n[root@wq1 ~]# \n[root@wq1 ~]# .\/grade.sh\nPlease input your grade:****999\n.\/grade.sh:\u884c14: [[: ****999: \u8bed\u6cd5\u9519\u8bef: \u671f\u5f85\u64cd\u4f5c\u6570 \uff08\u9519\u8bef\u7b26\u53f7\u662f \"****999\"\uff09\n.\/grade.sh:\u884c16: [[: ****999: \u8bed\u6cd5\u9519\u8bef: \u671f\u5f85\u64cd\u4f5c\u6570 \uff08\u9519\u8bef\u7b26\u53f7\u662f \"****999\"\uff09\n.\/grade.sh:\u884c18: [[: ****999: \u8bed\u6cd5\u9519\u8bef: \u671f\u5f85\u64cd\u4f5c\u6570 \uff08\u9519\u8bef\u7b26\u53f7\u662f \"****999\"\uff09\n.\/grade.sh:\u884c20: [[: ****999: \u8bed\u6cd5\u9519\u8bef: \u671f\u5f85\u64cd\u4f5c\u6570 \uff08\u9519\u8bef\u7b26\u53f7\u662f \"****999\"\uff09\n.\/grade.sh:\u884c22: [[: ****999: \u8bed\u6cd5\u9519\u8bef: \u671f\u5f85\u64cd\u4f5c\u6570 \uff08\u9519\u8bef\u7b26\u53f7\u662f \"****999\"\uff09\nUnknow argument....\n<\/code><\/pre>\n<ul>\n<li>\u8f93\u5165\u4e00\u4e2a0-100\u7684\u6570\u5b57\uff0c\u6839\u636e\u6570\u5b57\u5927\u5c0f\u505a\u51fa\u8bc4\u7ea7<\/li>\n<\/ul>\n<pre><code class=\"language-bash line-numbers\">#\/bin\/bash\nread -p \"Please input your grade:\" x\ndeclare -i x\n#jugemet <span class=\"katex math inline\">x value is none or not\nif [ \"<\/span>x\" == \"\" ];then\n    echo \"You don't input your grade....\"\n    exit 5\nfi\n#jugement the gread level\nif [[ \"<span class=\"katex math inline\">x\" -ge \"90\" &amp;&amp; \"<\/span>x\" -le \"100\" ]];then\n    echo \"Congratulation,Your grade is A.\"\nelif [[ \"<span class=\"katex math inline\">x\" -ge \"80\" &amp;&amp; \"<\/span>x\" -le \"89\" ]];then\n    echo \"Good,Your grade is B.\"\nelif [[ \"<span class=\"katex math inline\">x\" -ge \"70\" &amp;&amp; \"<\/span>x\" -le \"79\" ]];then\n    echo \"Ok.Your grade is C.\"\nelif [[ \"<span class=\"katex math inline\">x\" -ge \"60\" &amp;&amp; \"<\/span>x\" -le \"69\" ]];then\n    echo \"Yeah,Your grade is D.\"\nelif [[ \"$x\" -lt \"60\" ]];then\n    echo \"Right,Your grade is F.\"\nelse\n    echo \"Unknow argument....\"\nfi\n<\/code><\/pre>\n<h4><span class=\"ez-toc-section\" id=\"%E5%8F%98%E9%87%8F\"><\/span>\u53d8\u91cf<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u5b9a\u4e49\u53d8\u91cf<\/li>\n<\/ul>\n<ol>\n<li>\u53d8\u91cf\u540d\u548c\u7b49\u53f7\u4e4b\u95f4\u4e0d\u80fd\u6709\u7a7a\u683c;<\/li>\n<li>\u9996\u4e2a\u5b57\u7b26\u5fc5\u987b\u4e3a\u5b57\u6bcd\uff08a-z\uff0cA-Z\uff09\u3002<\/li>\n<li>\u4e2d\u95f4\u4e0d\u80fd\u6709\u7a7a\u683c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u5212\u7ebf\uff08_\uff09\u3002<\/li>\n<li>\u4e0d\u80fd\u4f7f\u7528\u6807\u70b9\u7b26\u53f7\u3002<\/li>\n<li>\u4e0d\u80fd\u4f7f\u7528bash\u91cc\u7684\u5173\u952e\u5b57\uff08\u53ef\u7528help\u547d\u4ee4\u67e5\u770b\u4fdd\u7559\u5173\u952e\u5b57\uff09\u3002<\/li>\n<\/ol>\n<pre><code class=\"language-bash line-numbers\">country=\"China\"\nNumber=100\n<\/code><\/pre>\n<ul>\n<li>\u4f7f\u7528\u53d8\u91cf<br \/>\n\u53ea\u9700\u8981\u5728\u4e00\u4e2a\u5b9a\u4e49\u8fc7\u7684\u53d8\u91cf\u524d\u9762\u52a0\u4e0a\u7f8e\u5143\u7b26\u53f7\u00a0$\u00a0\u5c31\u53ef\u4ee5\u4e86, \u53e6\u5916,\u5bf9\u4e8e\u53d8\u91cf\u7684{} \u662f\u53ef\u4ee5\u9009\u62e9\u7684, \u5b83\u7684\u76ee\u7684\u4e3a\u5e2e\u52a9\u89e3\u91ca\u5668\u8bc6\u522b\u53d8\u91cf\u7684\u8fb9\u754c.<\/li>\n<\/ul>\n<pre><code class=\"language-bash line-numbers\">country=\"China\"\necho <span class=\"katex math inline\">country\necho<\/span>{country}\necho \"I love my ${country}abcd!\"  \n<\/code><\/pre>\n<ul>\n<li>\u91cd\u5b9a\u4e49\u53d8\u91cf\uff1a\u00a0\u76f4\u63a5\u628a\u53d8\u91cf\u91cd\u65b0\u50cf\u5f00\u59cb\u5b9a\u4e49\u7684\u90a3\u6837\u5b50\u8d4b\u503c\u5c31\u53ef\u4ee5\u4e86<\/li>\n<\/ul>\n<pre><code class=\"language-bash line-numbers\">country=\"China\"\ncountry=\"ribenguizi\"\n<\/code><\/pre>\n<ul>\n<li>\u53ea\u8bfb\u53d8\u91cf: \u7528 readonly \u547d\u4ee4 \u53ef\u4ee5\u628a\u53d8\u91cf\u5b57\u4e49\u4e3a\u53ea\u8bfb\u53d8\u91cf\u3002<\/li>\n<\/ul>\n<pre><code class=\"language-bash line-numbers\">readonly country=\"China\"\n#\u6216\ncountry=\"China\"\nreadonly country\n<\/code><\/pre>\n<ul>\n<li>\u5220\u9664\u53d8\u91cf: \u4f7f\u7528unset\u547d\u4ee4\u53ef\u4ee5\u5220\u9664\u53d8\u91cf\uff0c\u4f46\u662f\u4e0d\u80fd\u5220\u9664\u53ea\u8bfb\u7684\u53d8\u91cf<\/li>\n<\/ul>\n<pre><code class=\"language-bash line-numbers\">unset variable_name\n<\/code><\/pre>\n<ul>\n<li>$* \u548c $@ \u7684\u533a\u522b<br \/>\n\u00a0$* \u548c $@ \u90fd\u8868\u793a\u4f20\u9012\u7ed9\u51fd\u6570\u6216\u811a\u672c\u7684\u6240\u6709\u53c2\u6570\uff0c\u4e0d\u88ab\u53cc\u5f15\u53f7(&#8221; &#8220;)\u5305\u542b\u65f6\uff0c\u90fd\u4ee5&#8221;$1&#8221; &#8220;$2&#8221; \u2026 &#8220;$n&#8221; \u7684\u5f62\u5f0f\u8f93\u51fa\u6240\u6709\u53c2\u6570\u3002\u4f46\u662f\u5f53\u5b83\u4eec\u88ab\u53cc\u5f15\u53f7(&#8221; &#8220;)\u5305\u542b\u65f6\uff0c&#8221;$*&#8221; \u4f1a\u5c06\u6240\u6709\u7684\u53c2\u6570\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\uff0c\u4ee5&#8221;$1 $2 \u2026 $n&#8221;\u7684\u5f62\u5f0f\u8f93\u51fa\u6240\u6709\u53c2\u6570\uff1b&#8221;$@&#8221; \u4f1a\u5c06\u5404\u4e2a\u53c2\u6570\u5206\u5f00\uff0c\u4ee5&#8221;$1&#8243; &#8220;$2&#8221; \u2026 &#8220;$n&#8221; \u7684\u5f62\u5f0f\u8f93\u51fa\u6240\u6709\u53c2\u6570\u3002<br \/>\n$?\u00a0\u53ef\u4ee5\u83b7\u53d6\u4e0a\u4e00\u4e2a\u547d\u4ee4\u7684\u9000\u51fa\u72b6\u6001\u3002\u6240\u8c13\u9000\u51fa\u72b6\u6001\uff0c\u5c31\u662f\u4e0a\u4e00\u4e2a\u547d\u4ee4\u6267\u884c\u540e\u7684\u8fd4\u56de\u7ed3\u679c\u3002\u9000\u51fa\u72b6\u6001\u662f\u4e00\u4e2a\u6570\u5b57\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5927\u90e8\u5206\u547d\u4ee4\u6267\u884c\u6210\u529f\u4f1a\u8fd4\u56de 0\uff0c\u5931\u8d25\u8fd4\u56de 1<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Shell%E4%B8%AD%E7%9A%84%E6%9B%BF%E6%8D%A2\"><\/span>Shell\u4e2d\u7684\u66ff\u6362<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u8f6c\u4e49\u7b26<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Shell%E8%BF%90%E7%AE%97%E7%AC%A6\"><\/span>Shell\u8fd0\u7b97\u7b26<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u7b97\u6570\u8fd0\u7b97\u7b26:<\/li>\n<li>\u5173\u7cfb\u8fd0\u7b97\u7b26<\/li>\n<li>\u5e03\u5c14\u8fd0\u7b97\u7b26<\/li>\n<li>\u5b57\u7b26\u4e32\u8fd0\u7b97\u7b26<\/li>\n<li>\u6587\u4ef6\u6d4b\u8bd5\u8fd0\u7b97\u7b26<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Shell%E4%B8%AD%E7%9A%84%E5%AD%97%E7%AC%A6%E4%B8%B2\"><\/span>Shell\u4e2d\u7684\u5b57\u7b26\u4e32<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<h4><span class=\"ez-toc-section\" id=\"Shell%E7%9A%84%E6%95%B0%E7%BB%84\"><\/span>Shell\u7684\u6570\u7ec4<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<h4><span class=\"ez-toc-section\" id=\"printf%E5%87%BD%E6%95%B0\"><\/span>printf\u51fd\u6570<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<h4><span class=\"ez-toc-section\" id=\"Shell%E4%B8%AD%E6%9D%A1%E4%BB%B6%E8%AF%AD%E5%8F%A5\"><\/span>Shell\u4e2d\u6761\u4ef6\u8bed\u53e5<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<h4><span class=\"ez-toc-section\" id=\"shell%E7%9A%84%E6%96%87%E4%BB%B6%E5%8C%85%E5%90%AB\"><\/span>shell\u7684\u6587\u4ef6\u5305\u542b<span class=\"ez-toc-section-end\"><\/span><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u89c8 \u53d8\u91cf \u66ff\u6362\uff08\u8f6c\u4e49\u7b26\u3001\u547d\u4ee4\u66ff\u6362\u3001\u53d8\u91cf\u7684\u66ff\u6362\uff09 \u8fd0\u7b97\u7b26 \u5b57\u7b26\u4e32 \u6570\u7ec4 print\u51fd\u6570 \u6761\u4ef6\u8bed\u53e5 \u5faa\u73af\u8bed\u53e5 s [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[],"_links":{"self":[{"href":"http:\/\/www.specialwu.com\/index.php?rest_route=\/wp\/v2\/posts\/1312"}],"collection":[{"href":"http:\/\/www.specialwu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.specialwu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.specialwu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.specialwu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1312"}],"version-history":[{"count":9,"href":"http:\/\/www.specialwu.com\/index.php?rest_route=\/wp\/v2\/posts\/1312\/revisions"}],"predecessor-version":[{"id":1506,"href":"http:\/\/www.specialwu.com\/index.php?rest_route=\/wp\/v2\/posts\/1312\/revisions\/1506"}],"wp:attachment":[{"href":"http:\/\/www.specialwu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.specialwu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1312"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.specialwu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}