{"id":666,"date":"2014-07-21T05:56:20","date_gmt":"2014-07-21T05:56:20","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=666"},"modified":"2014-07-21T05:56:20","modified_gmt":"2014-07-21T05:56:20","slug":"%e9%87%8d%e5%ae%9a%e5%90%91%e7%9a%84%e4%b8%80%e4%ba%9b%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b921-file%e5%92%8c-file-21%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/666.html","title":{"rendered":"\u91cd\u5b9a\u5411\u7684\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879{&quot;2&gt;&amp;1 &gt; file&quot;\u548c &quot;&gt; file 2&gt;&amp;1&quot;\u533a\u522b}"},"content":{"rendered":"<h5 style=\"color: #000000;\">\u4ec0\u4e48\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26\uff1f<\/h5>\n<div style=\"color: #000000;\"><span style=\"color: #000000; font-size: medium;\"><span style=\"color: #333333;\">\u6587\u4ef6\u63cf\u8ff0\u7b26\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6b63\u6574\u6570\uff0c\u7528\u4ee5\u6807\u660e\u6bcf\u4e00\u4e2a\u88ab\u8fdb\u7a0b\u6240\u6253\u5f00\u7684\u6587\u4ef6\u548csocket\u3002<\/span><br style=\"color: #333333;\" \/><span style=\"color: #333333;\">\u6700\u524d\u9762\u7684\u4e09\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\uff080\uff0c1\uff0c2\uff09\u5206\u522b\u4e0e\u6807\u51c6\u8f93\u5165\uff08stdin\uff09\uff0c\u6807\u51c6\u8f93\u51fa\uff08stdout\uff09\u548c\u6807\u51c6\u9519\u8bef\uff08stderr\uff09\u5bf9\u5e94\u3002<\/span><\/span><\/div>\n<h6 style=\"color: #000000;\"><span style=\"color: #000000; font-size: medium;\"><span style=\"color: #333333;\">&#8220;2&gt;&amp;1 &gt; file&#8221;\u548c &#8220;&gt; file 2&gt;&amp;1&#8243;\u533a\u522b\uff1f<\/span><\/span><\/h6>\n<div style=\"color: #000000;\"><span style=\"color: #000000; font-size: medium;\"><span style=\"color: #333333;\">1.php test.php 2&gt;&amp;1 &gt; file \uff1a<strong><span style=\"color: #ff0000;\">\u9519\u8bef\u8f93\u51fa\u5230\u7ec8\u7aef<\/span><\/strong>\uff0c<strong><span style=\"color: #ff0000;\">\u6807\u51c6\u8f93\u51fa\u88ab\u91cd\u5b9a\u5411\u5230\u6587\u4ef6file<\/span><\/strong>\u3002<span style=\"color: #ff0000; font-size: large;\">(\u770b\u6765\u8fd8\u662f\u6709\u4e2a\u5148\u540e\u987a\u5e8f\uff01)\u6548\u679c\u5176\u5b9e\u548c\uff08php test.php &gt; file\uff09\u4e00\u6837\uff0c\u56e0\u4e3a\u6807\u51c6\u9519\u8bef\u9ed8\u8ba4\u4e5f\u662f\u8f93\u51fa\u5230\u7ec8\u7aef\u7684\u3002<\/span><\/span><br style=\"color: #333333;\" \/><span style=\"color: #333333;\">2.php test.php &gt; file 2&gt;&amp;1 \uff1a\u6807\u51c6\u8f93\u51fa\u88ab\u91cd\u5b9a\u5411\u5230\u6587\u4ef6file\uff0c\u7136\u540e\u9519\u8bef\u8f93\u51fa\u4e5f\u91cd\u5b9a\u5411\u5230\u548c\u6807\u51c6\u8f93\u51fa\u4e00\u6837\uff0c\u6240\u4ee5\u9519\u8bef\u4e5f\u8f93\u51fa\u5230\u6587\u4ef6file\u3002\uff08\u5148\u5c06\u6807\u51c6\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u6587\u4ef6file\uff0c\u7136\u540e\u9519\u8bef\u8f93\u51fa\u91cd\u5b9a\u5411\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u6240\u4ee5<strong><span style=\"color: #ff0000;\">\u6240\u6709\u7684\u8f93\u51fa\u90fd\u5c06\u88ab\u91cd\u5b9a\u5411\u5230\u6587\u4ef6file<\/span><\/strong>\uff09<\/span><\/span><\/div>\n<div style=\"color: #000000;\"><a href=\"http:\/\/ixyzero.com\/blog\/wp-content\/uploads\/2014\/07\/stderr_stdout_2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-667\" src=\"http:\/\/ixyzero.com\/blog\/wp-content\/uploads\/2014\/07\/stderr_stdout_2-300x251.jpg\" alt=\"stderr_stdout_2\" width=\"300\" height=\"251\" \/><\/a><\/div>\n<div style=\"color: #000000;\"><span style=\"color: #ff0000; font-size: large;\"><span style=\"color: #333333;\"><strong>\u7efc\u4e0a\u53ef\u77e5\uff0c\u5982\u679c\u5e0c\u671b\u80fd\u5c06\u4e00\u4e2a\u811a\u672cor\u547d\u4ee4\u7684\u6807\u51c6\u8f93\u51fa\u3001\u6267\u884c\u65f6\u7684\u9519\u8bef\u8f93\u51fa\u90fd\u4fdd\u5b58\u4e0b\u6765\uff08\u91cd\u5b9a\u5411\u81f3\u67d0\u4e00\u6587\u4ef6\uff09\uff0c\u5219\u9700\u8981\u4f7f\u7528\u7b2c\u4e8c\u79cd\u65b9\u5f0f\uff0c\u5373\uff1a\u5148\u58f0\u660e\u91cd\u5b9a\u5411\u81f3\u6587\u4ef6file\uff0c\u7136\u540e\u5c06\u9519\u8bef\u8f93\u51fa\u4e5f\u91cd\u5b9a\u5411\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u4ece\u800c\u5c06\u6240\u6709\u53ef\u80fd\u7684\u8f93\u51fa\u5747\u91cd\u5b9a\u5411\u81f3\u6587\u4ef6file\u3002\uff08\u4e00\u822c\u6700\u597d\u7528tee\u547d\u4ee4\uff0c\u65e2\u53ef\u4ee5\u91cd\u5b9a\u5411\uff0c\u53c8\u53ef\u4ee5\u5b9e\u65f6\u67e5\u770b\uff0c\u4f46\u9700\u8981\u5360\u7528\u4e00\u4e2a\u5c4f\u5e55\uff09<\/strong><\/span><\/span><\/div>\n<div style=\"color: #000000;\"><\/div>\n<div style=\"color: #000000;\"><\/div>\n<h6 style=\"color: #000000;\">\u53c2\u8003\u6587\u7ae0\uff1a<\/h6>\n<ul>\n<li style=\"color: #000000;\"><a href=\"http:\/\/stackoverflow.com\/questions\/818255\/in-the-shell-what-is-21\" target=\"_blank\">bash &#8211; In the shell, what is &#8221; 2&gt;&amp;1 &#8220;? &#8211; Stack Overflow<\/a><\/li>\n<li style=\"color: #000000;\"><a href=\"http:\/\/blog.csdn.net\/ajaxuser\/article\/details\/8850543\" target=\"_blank\">&#8220;2&gt;&amp;1 &gt; file&#8221;\u548c &#8220;&gt; file 2&gt;&amp;1&#8243;\u533a\u522b\uff1f<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26\uff1f \u6587\u4ef6\u63cf\u8ff0\u7b26\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6b63\u6574\u6570\uff0c\u7528\u4ee5\u6807\u660e\u6bcf\u4e00\u4e2a\u88ab\u8fdb\u7a0b\u6240\u6253\u5f00\u7684\u6587\u4ef6\u548csocket\u3002\u6700\u524d\u9762\u7684\u4e09\u4e2a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[253],"class_list":["post-666","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","tag-253"],"views":5072,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/666","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=666"}],"version-history":[{"count":0,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/666\/revisions"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}