{"id":1555,"date":"2021-05-23T10:24:16","date_gmt":"2021-05-23T02:24:16","guid":{"rendered":"http:\/\/www.821121.com\/?p=1555"},"modified":"2021-06-03T10:25:36","modified_gmt":"2021-06-03T02:25:36","slug":"linux-shell-%e6%96%87%e6%9c%ac%e5%a4%84%e7%90%86%e5%b7%a5%e5%85%b7%e4%b9%8bxargs","status":"publish","type":"post","link":"http:\/\/www.821121.com\/?p=1555","title":{"rendered":"linux Shell \u6587\u672c\u5904\u7406\u5de5\u5177\u4e4bXARGS"},"content":{"rendered":"<p>xargs \u547d\u4ee4\u884c\u53c2\u6570\u8f6c\u6362<\/p>\n<p>xargs \u80fd\u591f\u5c06\u8f93\u5165\u6570\u636e\u8f6c\u5316\u4e3a\u7279\u5b9a\u547d\u4ee4\u7684\u547d\u4ee4\u884c\u53c2\u6570\uff1b\u8fd9\u6837\uff0c\u53ef\u4ee5\u914d\u5408\u5f88\u591a\u547d\u4ee4\u6765\u7ec4\u5408\u4f7f\u7528\u3002\u6bd4\u5982grep\uff0c\u6bd4\u5982find\uff1b<\/p>\n<p>\u5c06\u591a\u884c\u8f93\u51fa\u8f6c\u5316\u4e3a\u5355\u884c\u8f93\u51fa<\/p>\n<pre><code class=\"language-shell\">cat file.txt| xargs<\/code><\/pre>\n<p>\\n \u662f\u591a\u884c\u6587\u672c\u95f4\u7684\u5b9a\u754c\u7b26<\/p>\n<p>\u5c06\u5355\u884c\u8f6c\u5316\u4e3a\u591a\u884c\u8f93\u51fa<\/p>\n<pre><code class=\"language-shell\">cat single.txt | xargs -n 3<\/code><\/pre>\n<p>-n\uff1a\u6307\u5b9a\u6bcf\u884c\u663e\u793a\u7684\u5b57\u6bb5\u6570<\/p>\n<p>xargs\u53c2\u6570\u8bf4\u660e<\/p>\n<p>-d \u5b9a\u4e49\u5b9a\u754c\u7b26 (\u9ed8\u8ba4\u4e3a\u7a7a\u683c \u591a\u884c\u7684\u5b9a\u754c\u7b26\u4e3a \\n)<\/p>\n<p>-n \u6307\u5b9a\u8f93\u51fa\u4e3a\u591a\u884c<\/p>\n<p>-I {} \u6307\u5b9a\u66ff\u6362\u5b57\u7b26\u4e32\uff0c\u8fd9\u4e2a\u5b57\u7b26\u4e32\u5728xargs\u6269\u5c55\u65f6\u4f1a\u88ab\u66ff\u6362\u6389,\u7528\u4e8e\u5f85\u6267\u884c\u7684\u547d\u4ee4\u9700\u8981\u591a\u4e2a\u53c2\u6570\u65f6<\/p>\n<p>eg\uff1a<\/p>\n<pre><code class=\"language-shell\">cat file.txt | xargs -I {} .\/command.sh -p {} -1\n<\/code><\/pre>\n<p>-0\uff1a\u6307\u5b9a\\0\u4e3a\u8f93\u5165\u5b9a\u754c\u7b26<\/p>\n<p>eg\uff1a\u7edf\u8ba1\u7a0b\u5e8f\u884c\u6570<\/p>\n<pre><code class=\"language-shell\">find source_dir\/ -type f -name &quot;*.cpp&quot; -print0 |xargs -0 wc -l<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>xargs \u547d\u4ee4\u884c\u53c2\u6570\u8f6c\u6362 xargs \u80fd\u591f\u5c06\u8f93\u5165<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-1555","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1555","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1555"}],"version-history":[{"count":1,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1555\/revisions"}],"predecessor-version":[{"id":1556,"href":"http:\/\/www.821121.com\/index.php?rest_route=\/wp\/v2\/posts\/1555\/revisions\/1556"}],"wp:attachment":[{"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1555"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.821121.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}