{"id":425786,"date":"2021-03-30T21:14:57","date_gmt":"2021-03-30T13:14:57","guid":{"rendered":"http:\/\/4563.org\/?p=425786"},"modified":"2021-03-30T21:14:57","modified_gmt":"2021-03-30T13:14:57","slug":"sed-%e5%88%a0%e9%99%a4%e4%bb%a3%e7%a0%81%e5%9d%97%ef%bc%8c%e6%9c%89%e6%b2%a1%e6%9c%89%e4%b8%80%e6%ac%a1%e6%80%a7%e5%a5%bd%e5%8a%9e%e6%b3%95%e5%91%a2%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=425786","title":{"rendered":"sed \u5220\u9664\u4ee3\u7801\u5757\uff0c\u6709\u6ca1\u6709\u4e00\u6b21\u6027\u597d\u529e\u6cd5\u5462\uff1f"},"content":{"rendered":"
\n
\n
\n

sed \u5220\u9664\u4ee3\u7801\u5757\uff0c\u6709\u6ca1\u6709\u4e00\u6b21\u6027\u597d\u529e\u6cd5\u5462\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : sjmcefc2 <\/span> <\/i> 4<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
\u5982\u9898\uff1a
aaa
123
123
123
123
123
eee<\/p>\n

\u9700\u6c42 \u662f\u5220\u9664 aaa \u5f00\u5934 \u5230 eee \u7ed3\u5c3e\u7684\u4ee3\u7801\u5757\uff0c
\u8fd9\u6837\u9700\u8981\u5982\u4f55\u5199\u5462\uff1f <\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (15<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : ppxppx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    find . -type f | xargs sed -i ‘s\/^aaa.*eee$\/\/g’ <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sjmcefc2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4ee3\u7801\u5757\u662f\u4e0d\u540c\u884c\u7684
    ^aaa \u662f\u5f00\u5934\u5427\uff0ceee$\u662f\u7ed3\u5c3e\u3002<\/p>\n

    \u8fd9\u6837\u662f\u4e0d\u662f\u5fc5\u987b\u8981\u540c\u4e00\u884c\u624d\u53ef\u4ee5\u5220\u9664\u5462 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : elsonwx <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    find . -type f|xargs sed -i.bak ‘\/aaa\/,\/eee\/d’ <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yuanmomo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @sjmcefc2 sed \u53ef\u4ee5\u5339\u914d\u884c\u7684\u65b9\u5f0f\u6765\u5339\u914d\u8d77\u59cb\u884c\u53f7\uff0c\u7136\u540e\u64cd\u4f5c\u8fd9\u4e2a\u884c\u8303\u56f4\u4e4b\u5185\u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Akiyu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    sed \u6709\u591a\u884c\u6a21\u5f0f. \u4f60\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b.
    \u90a3\u4e1c\u897f\u4e0d\u4ec5\u9ebb\u70e6\u4e5f\u5f88\u5c11\u7528, \u4e00\u822c\u4f60\u5f97\u81ea\u5df1\u7814\u7a76.
    https:\/\/www.gnu.org\/software\/sed\/manual\/sed.html
    \u91cd\u70b9\u5173\u6ce8\u4e00\u4e0b. 7.1 Joining lines
    \u6211\u8bb0\u5f97\u4e4b\u524d\u6709\u7528\u5b83\u5904\u7406\u8fc7\u591a\u884c\u6587\u672c\u5904\u7406\u7684\u95ee\u9898. \u5e94\u8be5\u662f\u53ef\u884c\u7684. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : scinart <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    sed \u4ece 3 \u5220\u5230 6, see `info sed` 6.3 Multiline techniques <\/p>\n

    seq 9 | sed ‘\/3\/{:x; s.6.6.; tn; N; bx; :n; d;}’ <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Jirajine <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u5728\u8fd9\u91cc\u7422\u78e8 sed \u7684\u65f6\u95f4\uff0c\u76f4\u63a5\u7528 Python \u5df2\u7ecf\u5199\u597d\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sjmcefc2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    python \u4e5f\u53ef\u4ee5?\u5927\u795e\u8d50\u6559 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : kokutou <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    py \u6309\u884c\u8bfb\u53d6, \u5199\u5165\u5230\u4e34\u65f6\u6587\u4ef6, \u9047\u5230 aaa \u5c31\u4e0d\u5199\u4e86,\u5230\u4e86 eee \u518d\u7ee7\u7eed\u5199…. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sjmcefc2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @elsonwx \u8fd9\u4e2a\u53ef\u884c\uff0c’\/aaa\/,\/eee\/d’ \u91cc\u9762\u8fd9\u4e2a\uff0c\u7684\u610f\u601d\u662f\u5565\u5462 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sjmcefc2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53e6\u5916\uff0c\u4e0d\u5982\u6211\u60f3\u5728 aaa \u548c eee \u4e4b\u95f4\u63d2\u5165\u4e00\u4e9b\u4e0d\u540c\u884c\u7684\u4ee3\u7801\uff0c\u8be5\u600e\u4e48\u505a\u5462 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sjmcefc2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53e6\u5916\uff0c\u4e0d\u5982\u6211\u60f3\u5728 aaa \u548c eee \u4e4b\u95f4\u63d2\u5165\u4e00\u4e9b\u4e0d\u540c\u884c\u7684\u4ee3\u7801\uff0c\u8be5\u600e\u4e48\u505a\u5462
    —–
    \u7528n \u6765\u6362\u884c\u5c31\u53ef\u4ee5\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : no1xsyzy <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u57fa\u672c\u9aa8\u67b6\u957f\u8fd9\u6837<\/p>\n

    #!\/usr\/bin\/env python3
    import sys
    for line in sys.stdin:
    \u3000 assert line[-1] in “rn”
    \u3000 sys.stdout.write(line)<\/p>\n

    chmod +x \u6216\u8005 python3 a <in.txt >out.txt
    \u7136\u540e\u968f\u610f\u6539\u6539\u5c31\u6210\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : no1xsyzy <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \uff08\u554a\uff0c\u5982\u679c\u6700\u540e\u4e00\u884c\u7ed3\u5c3e\u4e0d\u5728\u7b2c\u4e00\u5217\u662f\u6ca1\u6709 line break \u7684\uff0c\u5fd8\u8bb0\u90a3\u53e5 assert \u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : smyle <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    sed ‘\/aaa\/,\/eee\/d’ $\u6587\u4ef6\u540d
    \u610f\u601d\u5c31\u662f\u5220\u9664 aaa \u5230 eee \u4e4b\u95f4\u7684\u6240\u6709\u884c\uff08\u6b63\u5219\u5339\u914d\uff0c\u5305\u62ec aaa \u548c eee \u672c\u8eab\uff09<\/p>\n

    \u5982\u679c\u8981\u4fdd\u7559 aaa \u548c eee \u8fd9\u4e24\u884c\u7684\u8bdd
    sed ‘\/aaa\/,\/bbb\/{\/aaa\/!{\/bbb\/!d}}’ $\u6587\u4ef6\u540d <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n","protected":false},"excerpt":{"rendered":"

    sed \u5220\u9664\u4ee3\u7801\u5757\uff0c\u6709\u6ca1\u6709\u4e00\u6b21\u6027\u597d…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/425786"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=425786"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/425786\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=425786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=425786"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=425786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}