{"id":16630,"date":"2024-11-18T17:53:13","date_gmt":"2024-11-18T09:53:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/16630\/"},"modified":"2024-11-18T17:53:13","modified_gmt":"2024-11-18T09:53:13","slug":"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3linux-shell%e4%b8%ad21%e7%9a%84%e5%90%ab%e4%b9%89%e5%85%a8%e7%bd%91%e6%9c%80%e5%85%a8%ef%bc%8c%e7%9c%8b%e5%ae%8c%e5%b0%b1%e6%87%82","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/16630\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3Linux shell\u4e2d2>&1\u7684\u542b\u4e49(\u5168\u7f51\u6700\u5168\uff0c\u770b\u5b8c\u5c31\u61c2)"},"content":{"rendered":"

<\/p>\n

1 \u548c 2 \u5728 Linux \u4e2d\u4ee3\u8868\u4ec0\u4e48<\/span><\/h2>\n

\u5728Linux\u7cfb\u7edf\u4e2d0 1 2\u662f\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26<\/p>\n

\"\u6df1\u5165\u7406\u89e3Linux <\/p>\n

\u4ece\u4e0a\u8868\u770b\u7684\u51fa\u6765\uff0c\u6211\u4eec\u5e73\u65f6\u4f7f\u7528\u7684<\/p>\n

echo \"hello\" &gt; t.log<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5176\u5b9e\u4e5f\u53ef\u4ee5\u5199\u6210<\/p>\n
echo \"hello\" 1&gt; t.log<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5173\u4e8e2>&1\u7684\u542b\u4e49<\/span><\/h2>\n
\u5173\u4e8e\u8f93\u5165\/\u8f93\u51fa\u91cd\u5b9a\u5411\u672c\u6587\u5c31\u4e0d\u7ec6\u8bf4\u4e86<\/p>\n
    \n
  •   \u542b\u4e49\uff1a\u5c06\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u6807\u51c6\u8f93\u51fa <\/li>\n
  •   \u7b26\u53f7>&\u662f\u4e00\u4e2a\u6574\u4f53\uff0c\u4e0d\u53ef\u5206\u5f00\uff0c\u5206\u5f00\u540e\u5c31\u4e0d\u662f\u4e0a\u8ff0\u542b\u4e49\u4e86\u3002 <\/li>\n
      \n
    •   \u6bd4\u5982\u6709\u4e9b\u4eba\u53ef\u80fd\u4f1a\u8fd9\u4e48\u60f3\uff1a2\u662f\u6807\u51c6\u9519\u8bef\u8f93\u5165\uff0c1\u662f\u6807\u51c6\u8f93\u51fa\uff0c>\u662f\u91cd\u5b9a\u5411\u7b26\u53f7\uff0c\u90a3\u4e48”\u5c06\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u6807\u51c6\u8f93\u51fa”\u662f\u4e0d\u662f\u5c31\u5e94\u8be5\u5199\u6210”2>1″\u5c31\u884c\u4e86\uff1f\u662f\u8fd9\u6837\u5417\uff1f <\/li>\n
    •   \u5982\u679c\u662f\u5c1d\u8bd5\u8fc7\uff0c\u4f60\u5c31\u77e5\u90532>1\u7684\u5199\u6cd5\u5176\u5b9e\u662f\u5c06\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u540d\u4e3a”1″\u7684\u6587\u4ef6\u91cc\u53bb\u4e86 <\/li>\n<\/ul>\n
    •   \u5199\u62102&>1\u4e5f\u662f\u4e0d\u53ef\u4ee5\u7684 <\/li>\n<\/ul>\n
      \u4e3a\u4ec0\u4e482>&1\u8981\u653e\u5728\u540e\u9762<\/span><\/h2>\n
      \u8003\u8651\u5982\u4e0b\u4e00\u6761shell\u547d\u4ee4<\/p>\n
      nohup java -jar app.jar &gt;log 2&gt;&amp;1 &amp;<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      (\u6700\u540e\u4e00\u4e2a&\u8868\u793a\u628a\u6761\u547d\u4ee4\u653e\u5230\u540e\u53f0\u6267\u884c\uff0c\u4e0d\u662f\u672c\u6587\u91cd\u70b9\uff0c\u4e0d\u61c2\u7684\u53ef\u4ee5\u81ea\u884cGoogle)<\/p>\n
      \u4e3a\u4ec0\u4e482>&1\u4e00\u5b9a\u8981\u5199\u5230>log\u540e\u9762\uff0c\u624d\u8868\u793a\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u548c\u6807\u51c6\u8f93\u51fa\u90fd\u5b9a\u5411\u5230log\u4e2d\uff1f<\/p>\n
      \u6211\u4eec\u4e0d\u59a8\u628a1\u548c2\u90fd\u7406\u89e3\u662f\u4e00\u4e2a\u6307\u9488,\u7136\u540e\u6765\u770b\u4e0a\u9762\u7684\u8bed\u53e5\u5c31\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n
      \u672c\u67651-----&gt;\u5c4f\u5e55 \uff081\u6307\u5411\u5c4f\u5e55\uff09\n\u6267\u884c&gt;log\u540e\uff0c 1-----&gt;log (1\u6307\u5411log)\n\u6267\u884c2&gt;&amp;1\u540e\uff0c 2-----&gt;1 (2\u6307\u54111\uff0c\u800c1\u6307\u5411log,\u56e0\u6b642\u4e5f\u6307\u5411\u4e86log)\n``\n\u518d\u6765\u5206\u6790\u4e0b<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      nohup java -jar app.jar 2>&1 >log &<\/p>\n
      \u672c\u67651-----&gt;\u5c4f\u5e55 \uff081\u6307\u5411\u5c4f\u5e55\uff09\n\u6267\u884c2&gt;&amp;1\u540e\uff0c 2-----&gt;1 (2\u6307\u54111\uff0c\u800c1\u6307\u5411\u5c4f\u5e55,\u56e0\u6b642\u4e5f\u6307\u5411\u4e86\u5c4f\u5e55)\n\u6267\u884c&gt;log\u540e\uff0c 1-----&gt;log (1\u6307\u5411log\uff0c2\u8fd8\u662f\u6307\u5411\u5c4f\u5e55)<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u6240\u4ee5\u8fd9\u5c31\u4e0d\u662f\u6211\u4eec\u60f3\u8981\u7684\u7ed3\u679c\u3002<\/p>\n
      \u641c\u7d22\u516c\u4f17\u53f7GitHub\u733f\u540e\u53f0\u56de\u590d\u201c\u6253\u98de\u673a\u201d\uff0c\u83b7\u53d6\u4e00\u4efd\u60ca\u559c\u793c\u5305\u3002<\/p>\n
      \u7b80\u5355\u505a\u4e2a\u8bd5\u9a8c\u6d4b\u8bd5\u4e0b\u4e0a\u9762\u7684\u60f3\u6cd5\uff1a<\/p>\n
      java\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
      public class Htest {\n    public static void main(String[] args) {\n        System.out.println(\"out1\");\n        System.err.println(\"error1\");\n    }\n}<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      javac\u7f16\u8bd1\u540e\u8fd0\u884c\u4e0b\u9762\u6307\u4ee4\uff1a<\/p>\n
      java Htest 2&gt;&amp;1 &gt; log<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u4f60\u4f1a\u5728\u7ec8\u7aef\u4e0a\u770b\u5230\u53ea\u8f93\u51fa\u4e86”error1″\uff0clog\u6587\u4ef6\u4e2d\u5219\u53ea\u6709”out1″<\/p>\n
      \u6bcf\u6b21\u90fd\u5199”>log 2>&1″\u592a\u9ebb\u70e6\uff0c\u80fd\u7b80\u5199\u5417\uff1f<\/span><\/h2>\n
      \u6709\u4ee5\u4e0b\u4e24\u79cd\u7b80\u5199\u65b9\u5f0f<\/p>\n
      &amp;&gt;log\n&gt;&amp;log<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u6bd4\u5982\u4e0a\u9762\u5c0f\u8282\u4e2d\u7684\u5199\u6cd5\u5c31\u53ef\u4ee5\u7b80\u5199\u4e3a\uff1a<\/p>\n
      nohup java -jar app.jar &amp;&gt;log &amp;<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \u4e0a\u9762\u4e24\u79cd\u65b9\u5f0f\u90fd\u548c”>log 2>&1″\u4e00\u4e2a\u8bed\u4e49\u3002<\/p>\n
      \u90a3\u4e48 \u4e0a\u9762\u4e24\u79cd\u65b9\u5f0f\u4e2d&>\u548c>&\u6709\u533a\u522b\u5417\uff1f<\/p>\n
      \u8bed\u4e49\u4e0a\u662f\u6ca1\u6709\u4efb\u4f55\u533a\u522b\u7684\uff0c\u4f46\u662f\u7b2c\u4e00\u4e2d\u65b9\u5f0f\u662f\u6700\u4f73\u9009\u62e9\uff0c\u4e00\u822c\u4f7f\u7528\u7b2c\u4e00\u79cd\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662f\u6df1\u5165\u7406\u89e3Linux shell\u4e2d2>&1\u7684\u542b\u4e49(\u5168\u7f51\u6700\u5168\uff0c\u770b\u5b8c\u5c31\u61c2)\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      1 \u548c 2 \u5728 Linux \u4e2d\u4ee3\u8868\u4ec0\u4e48 \u5728Linux\u7cfb\u7edf\u4e2d0 1 2\u662f\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26 \u4ece\u4e0a\u8868\u770b\u7684\u51fa\u6765\uff0c\u6211\u4eec\u5e73\u65f6\u4f7f\u7528\u7684 echo “hello” &gt; t.log \u767b\u5f55\u540e\u590d\u5236 \u5176\u5b9e\u4e5f\u53ef\u4ee5\u5199\u6210 echo “hello” 1&gt; t.log \u767b\u5f55\u540e\u590d\u5236 \u5173\u4e8e2>&1\u7684\u542b\u4e49 \u5173\u4e8e\u8f93\u5165\/\u8f93\u51fa\u91cd\u5b9a\u5411\u672c\u6587\u5c31\u4e0d\u7ec6\u8bf4\u4e86 \u542b\u4e49\uff1a\u5c06\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u6807\u51c6\u8f93\u51fa \u7b26\u53f7>&\u662f\u4e00\u4e2a\u6574\u4f53\uff0c\u4e0d\u53ef\u5206\u5f00\uff0c\u5206\u5f00\u540e\u5c31\u4e0d\u662f\u4e0a\u8ff0\u542b\u4e49\u4e86\u3002 \u6bd4\u5982\u6709\u4e9b\u4eba\u53ef\u80fd\u4f1a\u8fd9\u4e48\u60f3\uff1a2\u662f\u6807\u51c6\u9519\u8bef\u8f93\u5165\uff0c1\u662f\u6807\u51c6\u8f93\u51fa\uff0c>\u662f\u91cd\u5b9a\u5411\u7b26\u53f7\uff0c\u90a3\u4e48”\u5c06\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u6807\u51c6\u8f93\u51fa”\u662f\u4e0d\u662f\u5c31\u5e94\u8be5\u5199\u6210”2>1″\u5c31\u884c\u4e86\uff1f\u662f\u8fd9\u6837\u5417\uff1f \u5982\u679c\u662f\u5c1d\u8bd5\u8fc7\uff0c\u4f60\u5c31\u77e5\u90532>1\u7684\u5199\u6cd5\u5176\u5b9e\u662f\u5c06\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u540d\u4e3a”1″\u7684\u6587\u4ef6\u91cc\u53bb\u4e86 \u5199\u62102&>1\u4e5f\u662f\u4e0d\u53ef\u4ee5\u7684 \u4e3a\u4ec0\u4e482>&1\u8981\u653e\u5728\u540e\u9762 \u8003\u8651\u5982\u4e0b\u4e00\u6761shell\u547d\u4ee4 nohup java -jar app.jar &gt;log 2&gt;&amp;1 &amp; \u767b\u5f55\u540e\u590d\u5236 (\u6700\u540e\u4e00\u4e2a&\u8868\u793a\u628a\u6761\u547d\u4ee4\u653e\u5230\u540e\u53f0\u6267\u884c\uff0c\u4e0d\u662f\u672c\u6587\u91cd\u70b9\uff0c\u4e0d\u61c2\u7684\u53ef\u4ee5\u81ea\u884cGoogle) \u4e3a\u4ec0\u4e482>&1\u4e00\u5b9a\u8981\u5199\u5230>log\u540e\u9762\uff0c\u624d\u8868\u793a\u6807\u51c6\u9519\u8bef\u8f93\u51fa\u548c\u6807\u51c6\u8f93\u51fa\u90fd\u5b9a\u5411\u5230log\u4e2d\uff1f \u6211\u4eec\u4e0d\u59a8\u628a1\u548c2\u90fd\u7406\u89e3\u662f\u4e00\u4e2a\u6307\u9488,\u7136\u540e\u6765\u770b\u4e0a\u9762\u7684\u8bed\u53e5\u5c31\u662f\u8fd9\u6837\u7684\uff1a \u672c\u67651—–&gt;\u5c4f\u5e55 \uff081\u6307\u5411\u5c4f\u5e55\uff09 \u6267\u884c&gt;log\u540e\uff0c 1—–&gt;log (1\u6307\u5411log) \u6267\u884c2&gt;&amp;1\u540e\uff0c 2—–&gt;1 (2\u6307\u54111\uff0c\u800c1\u6307\u5411log,\u56e0\u6b642\u4e5f\u6307\u5411\u4e86log) “ \u518d\u6765\u5206\u6790\u4e0b \u767b\u5f55\u540e\u590d\u5236 nohup java -jar app.jar 2>&1 >log & \u672c\u67651—–&gt;\u5c4f\u5e55 \uff081\u6307\u5411\u5c4f\u5e55\uff09 \u6267\u884c2&gt;&amp;1\u540e\uff0c 2—–&gt;1 (2\u6307\u54111\uff0c\u800c1\u6307\u5411\u5c4f\u5e55,\u56e0\u6b642\u4e5f\u6307\u5411\u4e86\u5c4f\u5e55) \u6267\u884c&gt;log\u540e\uff0c 1—–&gt;log (1\u6307\u5411log\uff0c2\u8fd8\u662f\u6307\u5411\u5c4f\u5e55) \u767b\u5f55\u540e\u590d\u5236 \u6240\u4ee5\u8fd9\u5c31\u4e0d\u662f\u6211\u4eec\u60f3\u8981\u7684\u7ed3\u679c\u3002 \u641c\u7d22\u516c\u4f17\u53f7GitHub\u733f\u540e\u53f0\u56de\u590d\u201c\u6253\u98de\u673a\u201d\uff0c\u83b7\u53d6\u4e00\u4efd\u60ca\u559c\u793c\u5305\u3002 \u7b80\u5355\u505a\u4e2a\u8bd5\u9a8c\u6d4b\u8bd5\u4e0b\u4e0a\u9762\u7684\u60f3\u6cd5\uff1a java\u4ee3\u7801\u5982\u4e0b\uff1a public class Htest {     public static void main(String[] args) {         System.out.println(“out1”);         System.err.println(“error1”);     } […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-16630","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16630","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=16630"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/16630\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=16630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=16630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=16630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}