{"id":1261,"date":"2020-01-03T10:30:07","date_gmt":"2020-01-03T02:30:07","guid":{"rendered":"https:\/\/wyxxt.org.cn\/?p=1261"},"modified":"2023-12-04T15:52:07","modified_gmt":"2023-12-04T07:52:07","slug":"%e5%bc%ba%e5%a4%a7%e7%9a%84shell","status":"publish","type":"post","link":"https:\/\/wyxxt.org.cn\/?p=1261","title":{"rendered":"linux\u547d\u4ee4\u2014sed"},"content":{"rendered":"

\u67e5\u627e\u4fee\u6539\u65e5\u671f\u6bd4Makefile\u7684\u4fee\u6539\u65e5\u671f\u66f4\u8fd1\u7684\u5168\u90e8.c\u6587\u4ef6<\/h3>\n
find . -name '*.c' -newer Makefile -print\n<\/code><\/pre>\n
\u6784\u9020\u6e90\u7801\u7684zip\/tar\u5b58\u6863\u6587\u4ef6<\/h3>\n
zip archiver.zip *.h *.c\n# unzip\ntar cf archiver.tar *.h *.c\n# tar xf\n<\/code><\/pre>\n
\u5728\u4e0a\u5468\u54ea\u4e9bphp\u6587\u4ef6\u6ca1\u6709\u6539\u52a8\u8fc7<\/h3>\n
find . -name '*.php' -mtime +7 -print\n<\/code><\/pre>\n
\u4e0a\u9762\u7684\u6587\u4ef6\u4e2d\u54ea\u4e9b\u4f7f\u7528\u4e86kafka\u5e93<\/h3>\n
find . -name '*.php' -mtime +7 -print | xargs grep 'kafka'\n<\/code><\/pre>\n
sed\u547d\u4ee4\u8be6\u89e3<\/h3>\n
sed [-nefri] [\u52a8\u4f5c]\n<\/code><\/pre>\n
\n  \u9009\u9879\u4e0e\u53c2\u6570\uff1a
\n  -n \uff1a\u4f7f\u7528\u5b89\u9759(silent)\u6a21\u5f0f\u3002\u5728\u4e00\u822c sed \u7684\u7528\u6cd5\u4e2d\uff0c\u6240\u6709\u6765\u81ea STDIN \u7684\u6570\u636e\u4e00\u822c\u90fd\u4f1a\u88ab\u5217\u51fa\u5230\u7ec8\u7aef\u4e0a\u3002\u4f46\u5982\u679c\u52a0\u4e0a -n \u53c2\u6570\u540e\uff0c\u5219\u53ea\u6709\u7ecf\u8fc7sed \u7279\u6b8a\u5904\u7406\u7684\u90a3\u4e00\u884c(\u6216\u8005\u52a8\u4f5c)\u624d\u4f1a\u88ab\u5217\u51fa\u6765\u3002
\n  -e \uff1a\u76f4\u63a5\u5728\u547d\u4ee4\u5217\u6a21\u5f0f\u4e0a\u8fdb\u884c sed \u7684\u52a8\u4f5c\u7f16\u8f91\uff1b
\n  -f \uff1a\u76f4\u63a5\u5c06 sed \u7684\u52a8\u4f5c\u5199\u5728\u4e00\u4e2a\u6587\u4ef6\u5185\uff0c -f filename \u5219\u53ef\u4ee5\u8fd0\u884c filename \u5185\u7684 sed \u52a8\u4f5c\uff1b
\n  -r \uff1ased \u7684\u52a8\u4f5c\u652f\u6301\u7684\u662f\u5ef6\u4f38\u578b\u6b63\u89c4\u8868\u793a\u6cd5\u7684\u8bed\u6cd5\u3002(\u9ed8\u8ba4\u662f\u57fa\u7840\u6b63\u89c4\u8868\u793a\u6cd5\u8bed\u6cd5)
\n  -i \uff1a\u76f4\u63a5\u4fee\u6539\u8bfb\u53d6\u7684\u6587\u4ef6\u5185\u5bb9\uff0c\u800c\u4e0d\u662f\u8f93\u51fa\u5230\u7ec8\u7aef\u3002<\/p>\n
  \u52a8\u4f5c\u8bf4\u660e\uff1a [n1[,n2]]function
\n  n1, n2 \uff1a\u4e0d\u89c1\u5f97\u4f1a\u5b58\u5728\uff0c\u4e00\u822c\u4ee3\u8868\u300e\u9009\u62e9\u8fdb\u884c\u52a8\u4f5c\u7684\u884c\u6570\u300f\uff0c\u4e3e\u4f8b\u6765\u8bf4\uff0c\u5982\u679c\u6211\u7684\u52a8\u4f5c\u662f\u9700\u8981\u5728 10 \u5230 20 \u884c\u4e4b\u95f4\u8fdb\u884c\u7684\uff0c\u5219\u300e 10,20[\u52a8\u4f5c\u884c\u4e3a] \u300f\n<\/p><\/blockquote>\n
function\uff1a
\na \uff1a\u65b0\u589e\uff0c a \u7684\u540e\u9762\u53ef\u4ee5\u63a5\u5b57\u4e32\uff0c\u800c\u8fd9\u4e9b\u5b57\u4e32\u4f1a\u5728\u65b0\u7684\u4e00\u884c\u51fa\u73b0(\u76ee\u524d\u7684\u4e0b\u4e00\u884c)\uff5e
\nc \uff1a\u53d6\u4ee3\uff0c c \u7684\u540e\u9762\u53ef\u4ee5\u63a5\u5b57\u4e32\uff0c\u8fd9\u4e9b\u5b57\u4e32\u53ef\u4ee5\u53d6\u4ee3 n1,n2 \u4e4b\u95f4\u7684\u884c\uff01
\nd \uff1a\u5220\u9664\uff0c\u56e0\u4e3a\u662f\u5220\u9664\u554a\uff0c\u6240\u4ee5 d \u540e\u9762\u901a\u5e38\u4e0d\u63a5\u4efb\u4f55\u549a\u549a\uff1b
\ni \uff1a\u63d2\u5165\uff0c i \u7684\u540e\u9762\u53ef\u4ee5\u63a5\u5b57\u4e32\uff0c\u800c\u8fd9\u4e9b\u5b57\u4e32\u4f1a\u5728\u65b0\u7684\u4e00\u884c\u51fa\u73b0(\u76ee\u524d\u7684\u4e0a\u4e00\u884c)\uff1b
\np \uff1a\u5217\u5370\uff0c\u4ea6\u5373\u5c06\u67d0\u4e2a\u9009\u62e9\u7684\u6570\u636e\u5370\u51fa\u3002\u901a\u5e38 p \u4f1a\u4e0e\u53c2\u6570 sed -n \u4e00\u8d77\u8fd0\u884c\uff5e
\ns \uff1a\u53d6\u4ee3\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fdb\u884c\u53d6\u4ee3\u7684\u5de5\u4f5c\u54e9\uff01\u901a\u5e38\u8fd9\u4e2a s \u7684\u52a8\u4f5c\u53ef\u4ee5\u642d\u914d\u6b63\u89c4\u8868\u793a\u6cd5\uff01\u4f8b\u5982 1,20s\/old\/new\/g \u5c31\u662f\u5566\uff01<\/p>\n
\u793a\u4f8b<\/p>\n
sed -i \"1417a session.save_path = \\\"tcp:\/\/127.0.0.1:6379\\\"\" \/usr\/local\/php\/etc\/php.ini\n# \u57281417\u884c\u7684\u4e0b\u4e00\u884c\u65b0\u589e\n\nsed -i \"1416c session.save_handler = redis\" \/usr\/local\/php\/etc\/php.ini\n# \u53d6\u4ee3\u7b2c1416\u884c\n\nsed -i \"s\/APP_PORT\/80\/g\" \/usr\/local\/nginx\/conf\/nginx.conf\n# \u642d\u914d\u6b63\u5219\u4f7f\u7528\uff0c\u6240\u6709APP_PORT\u6539\u4e3a80\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u67e5\u627e\u4fee\u6539\u65e5\u671f\u6bd4Makefile\u7684\u4fee\u6539\u65e5\u671f\u66f4\u8fd1\u7684\u5168\u90e8.c\u6587\u4ef6 find . -name ‘*.c’ -newer […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[15],"tags":[399],"class_list":["post-1261","post","type-post","status-publish","format-standard","hentry","category-15","tag-399"],"_links":{"self":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1261"}],"version-history":[{"count":4,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1261\/revisions"}],"predecessor-version":[{"id":1748,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1261\/revisions\/1748"}],"wp:attachment":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}