sed [-n] program [file-list]
sed [-n] -f program-file [file-list]\n\n1.2\u53c2\u6570
\u7565\n\n1.3 \u9009\u9879
–file program-file -f program-file \u6307\u5b9a\u6587\u4ef6\u4e2dsed\u7a0b\u5e8f\u53ef\u4ee5\u547d\u4ee4\u884c\u4e0a\u4f7f\u7528\u591a\u6b21
–in-place[=suffix] -i [suffix] \u5c31\u5730\u7f16\u8f91\u6587\u4ef6\uff0c\u628a\u8f93\u51fa\u9001\u5230\u539f\u6765\u7684\u6587\u4ef6\u4e2d\uff0c\u5e76\u5907\u4efd\u539f\u6765\u6587\u4ef6\u52a0\u540e\u7f00suffix
–help \u6982\u8ff0sed\u7684\u7528\u6cd5
–quiet\u6216–silent -n \u9664\u975e\u4f7f\u7528print\u6307\u4ee4\u6216\u6807\u5fd7\u6765\u6307\u5b9a\u5426\u5219\u4e0d\u4f1a\u5c06\u6587\u672c\u884c\u590d\u5236\u5230\u6807\u51c6\u8f93\u51fa\n\n1.4 \u7f16\u8f91\u5668\u57fa\u7840
sed\u7a0b\u5e8f\u7531\u7b26\u5408\u5982\u4e0b\u8bed\u6cd5\u7684\u4e00\u884c\u6216\u591a\u884c\u547d\u4ee4\u6784\u6210
[address[address]] instruction [argument-list]
address\u662f\u53ef\u9009\u7684\uff0c\u5982\u7701\u7565\uff0c\u90a3\u4e48sed\u5c06\u5bf9\u8f93\u5165\u4e2d\u7684\u6240\u6709\u884c\u8fdb\u884c\u5904\u7406
instruction\u662f\u7528\u4e8e\u6539\u53d8\u6587\u672c\u7684\u6307\u4ee4address\u7528\u6765\u9009\u5b9a\u884cinstruction\u6765\u5904\u7406
argument-list\u4e2d\u53c2\u6570\u7684\u6570\u76ee\u548c\u7c7b\u578b\u53d6\u51b3\u4e8e\u6307\u4ee4instruction
\u5982\u679c\u60f3\u628a\u591a\u4e2ased\u547d\u4ee4\u653e\u5728\u540c\u4e00\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528;\n\n 1.4.1 \u5730\u5740
\u884c\u53f7\u4f5c\u4e3a\u5730\u5740\u53ef\u4ee5\u7528\u6765\u9009\u62e9\u67d0\u4e00\u884c\uff0c$\u8868\u793a\u8f93\u5165\u4e2d\u7684\u6700\u540e\u4e00\u884c
\u6b63\u5219\u8868\u8fbe\u5f0f\u4f5c\u4e3a\u5730\u5740\uff0c\u53ef\u4ee5\u9009\u4e2d\u4e0e\u4e4b\u76f8\u5339\u914d\u5b57\u7b26\u4e32\u7684\u884c
sed\u53ef\u4ee5\u4f7f\u7528\u9664\u53cd\u659c\u6760\u548c\u6362\u884c\u7b26\u4e4b\u5916\u7684\u4efb\u610f\u5b57\u7b26\u6765\u5b9a\u754c
\u5982\u6307\u5b9a\u4e00\u4e2a\u5730\u5740sed\u5c06\u9009\u62e9\u8be5\u5730\u5740\u5339\u914d\u884c
\u5982\u6307\u5b9a\u4e8c\u4e2a\u5730\u5740\uff0c\u7b2c\u4e00\u4e2a\u5730\u4e0b\u9009\u62e9\u884c\u9996\uff0c\u7b2c\u4e8c\u4e2a\u9009\u62e9\u5339\u914d\u8fd9\u4e0b\u4e00\u884c
1.4.2 \u6307\u4ee4
d \u5220\u9664\u6307\u4ee4\uff1a\u5bfc\u81f4sed\u4e0d\u8f93\u51fa\u88ab\u9009\u62e9\u884c\uff0c\u5e76\u4e14\u4e0d\u7ee7\u7eed\u5b8c\u6210\u5bf9\u8be5\u884c\u7684\u540e\u7eed\u5904\u7406\u8fc7\u7a0b\uff0csed\u6267\u884c\u5220\u9664\u540e\uff0c\u5b83\u5c06\u4ece\u8f93\u5165\u8bfb\u53d6\u4e0b\u4e00\u884c\uff0c\u5e76\u4eceprogram\u6216program-file\u4e2d\u7684\u7b2c1\u6761\u547d\u4ee4\u5f00\u59cb\u6267\u884c\n\n n \u4e0b\u4e00\u6761\u6307\u4ee4\uff1a\u8f93\u51fa\u5f53\u524d\u9009\u62e9\u7684\u884c\uff0c\u7136\u540e\u4ece\u8f93\u5165\u4e2d\u8bfb\u4e0b\u4e00\u884c\uff0c\u5e76\u4eceprogram\u6216program-file\u4e2d\u7684\u4e0b\u4e00\u6761\u547d\u4ee4\u5f00\u59cb\u5bf9\u65b0\u8bfb\u5165\u7684\u884c\u8fdb\u884c\u5904\u7406\n\n a \u8ffd\u52a0\u6307\u4ee4\uff0c\u5728\u5f53\u524d\u9009\u62e9\u7684\u884c\u540e\u63d2\u5165\u4e00\u884c\u6216\u591a\u884c\u6587\u672c\uff0c\u5982\u679c\u6709\u4e24\u4e2a\u5730\u5740\uff0c\u90a3\u5c06\u5728\u9009\u5b9a\u7684\u6bcf\u4e00\u884c\u4e4b\u540e\u6dfb\u52a0\u6587\u672c\uff0c\u5982\u6ca1\u6709\u5730\u5740\uff0c\u5219\u52a0\u5165\u5230\u6240\u6709\u884c\u540e
\u4f8b\uff1a[address[address]] a
text
text
…….
text
\u9664\u6700\u540e\u4e00\u884c\u5916\uff0c\u6240\u6dfb\u52a0\u7684\u6587\u672c\u6bcf\u4e00\u884c\u90fd\u5fc5\u987b\u4ee5\u53cd\u659c\u6760\u7ed3\u5c3e\u3002sed\u603b\u662f\u4f1a\u8f93\u51fa\u6240\u6dfb\u52a0\u7684\u6587\u672c\uff0c\u800c\u4e0d\u8bba\u547d\u4ee4\u884c\u4e2d\u662f\u5426\u4f7f\u7528-n \u751a\u81f3\u5728\u5220\u9664\u88ab\u6dfb\u52a0\u4e86\u6587\u672c\u7684\u90a3\u4e00\u884c\u540e\u3002\u88ab\u589e\u52a0\u7684\u6587\u672c\u4ecd\u4f1a\u8f93\u51fa\n\n i \u63d2\u5165\u6307\u4ee4\uff1a\u4e0eappend\u76f8\u540c\uff0c\u53ea\u662f\u5c06\u6587\u672c\u6dfb\u52a0\u5230\u9009\u5b9a\u884c\u4e4b\u524d\n\n c \u4fee\u6539\u6307\u4ee4\uff1a\u4e0eappend\u7c7b\u4f3c\uff0c\u4e0d\u540c\u7684\u662f\u4ed6\u5c06\u9009\u5b9a\u6539\u4e3a\u65b0\u6587\u672c\n\n p \u6253\u5370\u6307\u4ee4\uff1a\u5c06\u9009\u4e2d\u884c\u5199\u5165\u6807\u51c6\u8f93\u51fa\uff0c\u5199\u5165\u7acb\u5373\u53d1\u751f\uff0c\u4e0d\u4f1a\u53cd\u6620\u540e\u7eed\u6307\u4ee4\u6267\u884c\u7ed3\u679c\n\n w file \u5199\u6307\u4ee4\uff1a\u4e0eprint\u7c7b\u4f3c\uff0c\u5b83\u5c06\u8f93\u51fa\u5199\u5165\u5230\u6307\u5b9a\u6587\u4ef6\u4e2d\n\n r file \u8bfb\u6307\u4ee4\uff1a\u8bfb\u51fa\u6307\u5b9a\u6587\u4ef6\u7684\u5185\u5bb9\u5e76\u6dfb\u52a0\u5230\u9009\u5b9a\u884c\u4e4b\u540e\n\n q \u9000\u51fa\u6307\u4ee4\uff1a\u4f7fsed\u7acb\u5373\u7ed3\u675f\n\n s sed\u4e2d\u7684\u66ff\u6362\u6307\u4ee4\u4e0evim\u4e2d\u7684\u7c7b\u4f3c
[address[address]]s\/pattern\/replacement-string\/[g][p][w file]
\u53ef\u4ee5\u5728replacement-string\u4e2d\u4f7f\u7528&,\u4ee3\u8868\u5f53\u524d\u5339\u914d\u7684\u5b57\u7b26\u4e32\n\n 1.4.3 \u63a7\u5236\u7ed3\u6784
! \u4f7fsed\u540e\u9762\u4e0e\u5176\u540c\u4e00\u884c\u7684\u6307\u4ee4\u4f5c\u7528\u4e8e\u6ca1\u6709\u88ab\u8be5\u547d\u4ee4\u9009\u4e2d\u7684\u6bcf\u4e00\u884c
\u4f8b\uff1a3!d\u8868\u793a\u5220\u9664\u9664\u7b2c3\u884c\u5916\u6240\u6709\u884c
$!p \u663e\u793a\u9664\u6700\u540e\u4e00\u884c\u5916\u7684\u6240\u6709\u884c\n\n {} \u6307\u4ee4\u7ec4\uff1a\u4e00\u65e6\u4f7f\u7528\u4e00\u5bf9\u82b1\u62ec\u53f7\u5c06\u4e00\u7ec4\u6307\u4ee4\u62ec\u8d77\u6765\uff0c\u5219\u8fd9\u7ec4\u6307\u4ee4\u5c06\u4f5c\u7528\u4e8e\u5b83\u524d\u8981\u7684\u5730\u5740\u9009\u5b9a\u884c\uff0c\u4f7f\u7528; \u53ef\u5c06\u591a\u6761\u547d\u4ee4\u5206\u5f00\n\n \u5206\u652f\u6307\u4ee4 sed \u7684info\u4e2d\u6307\u51fa\uff0cSed\u5e76\u4e0d\u5b9c\u4f7f\u7528\u5206\u652f\uff0c\u5efa\u8bae\u7528awk\u6216perl
:label \u6807\u8bc6sed\u7a0b\u5e8f\u4e2d\u4e00\u4e2a\u4f4d\u7f6e\uff0c\u6807\u53f7label\u4f5c\u4e3a\u8df3\u8f6c\u76ee\u6807\n\n b[label] \u65e0\u6761\u4ef6\u8f6c\u79fb\u5230label\u5904\uff1a\u5982\u6ca1\u6709\u6307\u5b9a\u5206\u652f\u76ee\u6807\uff0c\u5219\u8df3\u8fc7\u5f53\u524d\u884c\u4e2d\u5269\u4e0b\u7684\u6307\u4ee4\u5e76\u4ece\u8f93\u5165\u4e2d\u8bfb\u53d6\u4e0b\u4e00\u884c\n\n t[label] \u5982\u679c\u6700\u8fd1\u4ece\u8f93\u5165\u4e2d\u8bfb\u53d6\u7684\u884c\u4f7f\u5f97substitnte\u6307\u4ee4\u5339\u914d\u6210\u529f\uff0c\u5219\u5230label\u5904, \u5982\u6ca1\u6709\u6307\u5b9a\u5206\u652f\u76ee\u6807\uff0c\u5219\u8df3\u8fc7\u5f53\u524d\u884c\u4e2d\u5269\u4e0b\u7684\u6307\u4ee4\u5e76\u4ece\u8f93\u5165\u4e2d\u8bfb\u53d6\u4e0b\u4e00\u884c\n\n 1.4.4 Pattern\u533a\u4e0eHold\u533a
sed\u4e2d\u6709\u4e24\u4e2a\u7f13\u51b2\u533a\uff0c\u6240\u6709\u7684\u547d\u4ee4\u90fd\u662f\u5de5\u4f5c\u5728pattern\u533a\u7684\uff0cpattern\u533a\u4e2d\u4fdd\u5b58\u7740sed\u521a\u521a\u4ece\u8f93\u5165\u4e2d\u8bfb\u53d6\u7684\u884c\uff0c\u4f5c\u4e3a\u4e34\u65f6\u7f13\u51b2\u533a\uff0cHold\u533a\u53ef\u4ee5\u5728\u64cd\u4f5cPattern\u533a\u4e2d\u6570\u636e\u65f6\u6765\u6682\u5b58\u6570\u636e\uff0c\u5728\u5c06\u6570\u636e\u653e\u5165Hold\u4e4b\u524d\uff0c\u5b83\u662f\u7a7a\u7684
\u5173\u4e8ePattern\u533a\u4e0eHold\u533a\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u9001
g \u5c06Hold\u533a\u5185\u5bb9\u590d\u5236\u5230Pattern\u533a\u4e2d\uff0cPattern\u533a\u4e2d\u539f\u6765\u7684\u5185\u5bb9\u4e22\u5931
G \u5c06\u4e00\u4e2a\u6362\u884c\u7b26\u4e0eHold\u533a\u4e2d\u7684\u5185\u5bb9\u8ffd\u52a0\u5230Pattern\u533a\u4e2d\u5185\u5bb9\u4e4b\u540e
h \u5c06Pattern\u4e2d\u5185\u5bb9\u590d\u5236\u5230Hold\u4e2d\uff0cHold\u4e2d\u539f\u6765\u7684\u5185\u5bb9\u5c06\u4e22\u5931
H \u5c06\u4e00\u4e2a\u6362\u884c\u7b26\u4e0ePattern\u533a\u4e2d\u7684\u5185\u5bb9\u8ffd\u52a0\u5230Hold\u533a\u4e2d\u5185\u5bb9\u4e4b\u540e
x \u5c06Pattern \u533a\u4e0eHold\u533a\u505a\u4ea4\u6362\n\n1.5 \u793a\u4f8b
\u4f8b1: [root@redhat test]# cat new
Line one.
The second line.
The third.
This is line four.
Five.
This is the sixth sentence.
This is line seven.
Eighth and last.
[root@redhat test]# sed '\/line\/ p' new
Line one.
The second line.
The second line.
The third.
This is line four.
This is line four.
Five.
This is the sixth sentence.
This is line seven.
This is line seven.
Eighth and last.
[root@redhat test]# sed -n '\/line\/ p' new
The second line.
This is line four.
This is line seven.
\u9664\u975e\u7279\u522b\u6307\u51fa\uff0c\u5426\u5219sed\u5c06\u5728\u6807\u51c6\u8f93\u51fa\u4e0a\u8f93\u51fa\u6240\u6709\u7684\u884c\uff0c\u65e0\u8bba\u5b83\u662f\u5426\u88ab\u9009\u5b9a\u3002\u5f53\u5728\u547d\u4ee4\u884c\u4e2d\u4f7f\u7528-n\u9009\u9879\u65f6\uff0csed\u4ec5\u4ec5\u5728\u6807\u51c6\u8f93\u51fa\u4e0a\u8f93\u51fa\u7279]\n]>\n<\/p>\n","protected":false},"excerpt":{"rendered":"
sed [-n] program [file-list] sed […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-106","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/posts\/106","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=106"}],"version-history":[{"count":0,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/posts\/106\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=106"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}