{"id":312,"date":"2018-11-13T10:15:15","date_gmt":"2018-11-13T02:15:15","guid":{"rendered":"https:\/\/fick707.com\/?p=312"},"modified":"2018-11-13T10:15:15","modified_gmt":"2018-11-13T02:15:15","slug":"sed-command","status":"publish","type":"post","link":"https:\/\/fick707.com\/?p=312","title":{"rendered":"sed\u547d\u4ee4\u8be6\u89e3"},"content":{"rendered":"

\u8f6c\u8f7d\u81ea\uff1ahttp:\/\/www.cnblogs.com\/ctaixw\/p\/5860221.html<\/p>\n

sed\uff1aStream Editor\u6587\u672c\u6d41\u7f16\u8f91\uff0csed\u662f\u4e00\u4e2a\u201c\u975e\u4ea4\u4e92\u5f0f\u7684\u201d\u9762\u5411\u5b57\u7b26\u6d41\u7684\u7f16\u8f91\u5668\u3002\u80fd\u540c\u65f6\u5904\u7406\u591a\u4e2a\u6587\u4ef6\u591a\u884c\u7684\u5185\u5bb9\uff0c\u53ef\u4ee5\u4e0d\u5bf9\u539f\u6587\u4ef6\u6539\u52a8\uff0c\u628a\u6574\u4e2a\u6587\u4ef6\u8f93\u5165\u5230\u5c4f\u5e55,\u53ef\u4ee5\u628a\u53ea\u5339\u914d\u5230\u6a21\u5f0f\u7684\u5185\u5bb9\u8f93\u5165\u5230\u5c4f\u5e55\u4e0a\u3002\u8fd8\u53ef\u4ee5\u5bf9\u539f\u6587\u4ef6\u6539\u52a8\uff0c\u4f46\u662f\u4e0d\u4f1a\u518d\u5c4f\u5e55\u4e0a\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n

sed\u547d\u4ee4\u7684\u8bed\u6cd5\u683c\u5f0f\uff1a<\/strong><\/p>\n

sed\u7684\u547d\u4ee4\u683c\u5f0f\uff1a sed [option] ‘sed command’filename<\/p>\n

sed\u7684\u811a\u672c\u683c\u5f0f\uff1ased [option] -f ‘sed script’filename<\/p>\n

sed\u547d\u4ee4\u7684\u9009\u9879(option)\uff1a<\/strong><\/p>\n

-n \uff1a\u53ea\u6253\u5370\u6a21\u5f0f\u5339\u914d\u7684\u884c<\/p>\n

-e \uff1a\u76f4\u63a5\u5728\u547d\u4ee4\u884c\u6a21\u5f0f\u4e0a\u8fdb\u884csed\u52a8\u4f5c\u7f16\u8f91\uff0c\u6b64\u4e3a\u9ed8\u8ba4\u9009\u9879<\/p>\n

-f \uff1a\u5c06sed\u7684\u52a8\u4f5c\u5199\u5728\u4e00\u4e2a\u6587\u4ef6\u5185\uff0c\u7528\u2013f filename \u6267\u884cfilename\u5185\u7684sed\u52a8\u4f5c<\/p>\n

-r \uff1a\u652f\u6301\u6269\u5c55\u8868\u8fbe\u5f0f<\/p>\n

-i \uff1a\u76f4\u63a5\u4fee\u6539\u6587\u4ef6\u5185\u5bb9<\/p>\n

sed\u5728\u6587\u4ef6\u4e2d\u67e5\u8be2\u6587\u672c\u7684\u65b9\u5f0f\uff1a<\/strong><\/p>\n

1)\u4f7f\u7528\u884c\u53f7\uff0c\u53ef\u4ee5\u662f\u4e00\u4e2a\u7b80\u5355\u6570\u5b57\uff0c\u6216\u662f\u4e00\u4e2a\u884c\u53f7\u8303\u56f4<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
x<\/td>\nx\u4e3a\u884c\u53f7<\/td>\n<\/tr>\n
x,y<\/td>\n\u8868\u793a\u884c\u53f7\u4ecex\u5230y<\/td>\n<\/tr>\n
\/pattern<\/td>\n\u67e5\u8be2\u5305\u542b\u6a21\u5f0f\u7684\u884c<\/td>\n<\/tr>\n
\/pattern \/pattern<\/td>\n\u67e5\u8be2\u5305\u542b\u4e24\u4e2a\u6a21\u5f0f\u7684\u884c<\/td>\n<\/tr>\n
pattern\/,x<\/td>\n\u5728\u7ed9\u5b9a\u884c\u53f7\u4e0a\u67e5\u8be2\u5305\u542b\u6a21\u5f0f\u7684\u884c<\/td>\n<\/tr>\n
x,\/pattern\/<\/td>\n\u901a\u8fc7\u884c\u53f7\u548c\u6a21\u5f0f\u67e5\u8be2\u5339\u914d\u7684\u884c<\/td>\n<\/tr>\n
x,y!<\/td>\n\u67e5\u8be2\u4e0d\u5305\u542b\u6307\u5b9a\u884c\u53f7x\u548cy\u7684\u884c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"\\\"<\/p>\n

\"\\\"<\/p>\n

\"\\\"<\/p>\n

2)\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u6269\u5c55\u6b63\u5219\u8868\u8fbe\u5f0f(\u5fc5\u987b\u7ed3\u5408-r\u9009\u9879)<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
^<\/td>\n\u951a\u70b9\u884c\u9996\u7684\u7b26\u5408\u6761\u4ef6\u7684\u5185\u5bb9\uff0c\u7528\u6cd5\u683c\u5f0f”^pattern”<\/td>\n<\/tr>\n
$<\/td>\n\u951a\u70b9\u884c\u9996\u7684\u7b26\u5408\u6761\u4ef6\u7684\u5185\u5bb9\uff0c\u7528\u6cd5\u683c\u5f0f”pattern$”<\/td>\n<\/tr>\n
^$<\/td>\n\u7a7a\u767d\u884c<\/td>\n<\/tr>\n
.<\/td>\n\u5339\u914d\u4efb\u610f\u5355\u4e2a\u5b57\u7b26<\/td>\n<\/tr>\n
\n

*<\/p>\n<\/td>\n

\u5339\u914d\u7d27\u6328\u5728\u524d\u9762\u7684\u5b57\u7b26\u4efb\u610f\u6b21(0,1,\u591a\u6b21)<\/td>\n<\/tr>\n
.*<\/td>\n\u5339\u914d\u4efb\u610f\u957f\u5ea6\u7684\u4efb\u610f\u5b57\u7b26<\/td>\n<\/tr>\n
\\\uff1f<\/td>\n\u5339\u914d\u7d27\u6328\u5728\u524d\u9762\u7684\u5b57\u7b260\u6b21\u62161\u6b21<\/td>\n<\/tr>\n
\\{m,n\\}<\/td>\n\u5339\u914d\u5176\u524d\u9762\u7684\u5b57\u7b26\u81f3\u5c11m\u6b21\uff0c\u81f3\u591an\u6b21<\/td>\n<\/tr>\n
\\{m,\\}<\/td>\n\u5339\u914d\u5176\u524d\u9762\u7684\u5b57\u7b26\u81f3\u5c11m\u6b21<\/td>\n<\/tr>\n
\\{m\\}<\/td>\n\u7cbe\u786e\u5339\u914d\u524d\u9762\u7684m\u6b21\\{0,n\\}:0\u5230n\u6b21<\/td>\n<\/tr>\n
\\<<\/td>\n\u951a\u70b9\u8bcd\u9996—-\u76f8\u5f53\u4e8e \\b\uff0c\u7528\u6cd5\u683c\u5f0f\uff1a\\<pattern<\/td>\n<\/tr>\n
\\><\/td>\n\u951a\u70b9\u8bcd\u5c3e\uff0c\u7528\u6cd5\u683c\u5f0f:\\>pattern<\/td>\n<\/tr>\n
\\<pattern\\><\/td>\n\u5355\u8bcd\u951a\u70b9<\/td>\n<\/tr>\n
<\/td>\n\u5206\u7ec4\uff0c\u7528\u6cd5\u683c\u5f0f\uff1apattern<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\uff0c\u5f15\u7528\\1,\\2<\/span><\/span><\/td>\n<\/tr>\n
[]<\/td>\n\u5339\u914d\u6307\u5b9a\u8303\u56f4\u5185\u7684\u4efb\u610f\u5355\u4e2a\u5b57\u7b26<\/td>\n<\/tr>\n
[^]<\/td>\n\u5339\u914d\u6307\u5b9a\u8303\u56f4\u5916\u7684\u4efb\u610f\u5355\u4e2a\u5b57\u7b26<\/td>\n<\/tr>\n
[:digit:]<\/td>\n\u6240\u6709\u6570\u5b57, \u76f8\u5f53\u4e8e0-9\uff0c [0-9]—> [[:digit:]]<\/td>\n<\/tr>\n
[:lower:]<\/td>\n\u6240\u6709\u7684\u5c0f\u5199\u5b57\u6bcd<\/td>\n<\/tr>\n
[:upper:]<\/td>\n\u6240\u6709\u7684\u5927\u5199\u5b57\u6bcd<\/td>\n<\/tr>\n
[:alpha:]<\/td>\n\u6240\u6709\u7684\u5b57\u6bcd<\/td>\n<\/tr>\n
[:alnum:]<\/td>\n\u76f8\u5f53\u4e8e0-9a-zA-Z<\/td>\n<\/tr>\n
[:space:]<\/td>\n\u7a7a\u767d\u5b57\u7b26<\/td>\n<\/tr>\n
[:punct:]<\/td>\n\u6240\u6709\u6807\u70b9\u7b26\u53f7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n
\n
[java]<\/strong>\u00a0view plain<\/a>\u00a0copy<\/a><\/span><\/p>\n
<\/div>\n<\/div>\n<\/div>\n
    \n
  1. #######sed\u7684\u5339\u914d\u6a21\u5f0f\u652f\u6301\u6b63\u5219\u8868\u8fbe\u5f0f#####################<\/li>\n
  2. sed‘5\u00a0q’\/etc\/passwd#\u6253\u5370\u524d5\u884c\u00a0\u00a0<\/span><\/span><\/li>\n
  3. sed-n\u00a0‘\/r*t\/p’\/etc\/passwd#\u6253\u5370\u5339\u914dr\u67090\u4e2a\u6216\u8005\u591a\u4e2a\uff0c\u540e\u63a5\u4e00\u4e2at\u5b57\u7b26\u7684\u884c\u00a0\u00a0<\/span><\/span><\/li>\n
  4. sed-n\u00a0‘\/.r.*\/p’\/etc\/passwd#\u6253\u5370\u5339\u914d\u6709r\u7684\u884c\u5e76\u4e14r\u540e\u9762\u8ddf\u4efb\u610f\u5b57\u7b26\u00a0\u00a0<\/span><\/li>\n
  5. sed-n\u00a0‘\/o*\/p’\/etc\/passwd#\u6253\u5370o\u5b57\u7b26\u91cd\u590d\u4efb\u610f\u6b21\u00a0\u00a0<\/span><\/li>\n
  6. sed-n\u00a0‘\/o\\{1,\\}\/p’\/etc\/passwd#\u6253\u5370o\u5b57\u91cd\u590d\u51fa\u73b0\u4e00\u6b21\u4ee5\u4e0a\u00a0\u00a0<\/span><\/li>\n
  7. sed-n\u00a0‘\/o\\{1,3\\}\/p’\/etc\/passwd#\u6253\u5370o\u5b57\u91cd\u590d\u51fa\u73b0\u4e00\u6b21\u5230\u4e09\u6b21\u4e4b\u95f4\u4ee5\u4e0a\u00a0\u00a0<\/span><\/li>\n<\/ol>\n<\/div>\n

    sed\u7684\u7f16\u8f91\u547d\u4ee4(sed command)\uff1a<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    p<\/td>\n\u6253\u5370\u5339\u914d\u884c\uff08\u548c-n\u9009\u9879\u4e00\u8d77\u5408\u7528\uff09<\/td>\n<\/tr>\n
    =<\/td>\n\u663e\u793a\u6587\u4ef6\u884c\u53f7<\/td>\n<\/tr>\n
    a\\<\/td>\n\u5728\u5b9a\u4f4d\u884c\u53f7\u540e\u9644\u52a0\u65b0\u6587\u672c\u4fe1\u606f<\/td>\n<\/tr>\n
    i\\<\/td>\n\u5728\u5b9a\u4f4d\u884c\u53f7\u540e\u63d2\u5165\u65b0\u6587\u672c\u4fe1\u606f<\/td>\n<\/tr>\n
    d<\/td>\n\u5220\u9664\u5b9a\u4f4d\u884c<\/td>\n<\/tr>\n
    c\\<\/td>\n\u7528\u65b0\u6587\u672c\u66ff\u6362\u5b9a\u4f4d\u6587\u672c<\/td>\n<\/tr>\n
    w filename<\/td>\n\u5199\u6587\u672c\u5230\u4e00\u4e2a\u6587\u4ef6\uff0c\u7c7b\u4f3c\u8f93\u51fa\u91cd\u5b9a\u5411 ><\/td>\n<\/tr>\n
    \n

    r filename<\/p>\n<\/td>\n

    		\u4ece\u53e6\u4e00\u4e2a\u6587\u4ef6\u4e2d\u8bfb\u6587\u672c\uff0c\u7c7b\u4f3c\u8f93\u5165\u91cd\u5b9a\u5411 <<\/td>\n<\/tr>\n
    s<\/td>\n\u4f7f\u7528\u66ff\u6362\u6a21\u5f0f\u66ff\u6362\u76f8\u5e94\u6a21\u5f0f<\/td>\n<\/tr>\n
    q<\/td>\n\u7b2c\u4e00\u4e2a\u6a21\u5f0f\u5339\u914d\u5b8c\u6210\u540e\u9000\u51fa\u6216\u7acb\u5373\u9000\u51fa<\/td>\n<\/tr>\n
    l<\/td>\n\u663e\u793a\u4e0e\u516b\u8fdb\u5236ACSII\u4ee3\u7801\u7b49\u4ef7\u7684\u63a7\u5236\u7b26<\/td>\n<\/tr>\n
    {}<\/td>\n\u5728\u5b9a\u4f4d\u884c\u6267\u884c\u7684\u547d\u4ee4\u7ec4\uff0c\u7528\u5206\u53f7\u9694\u5f00<\/td>\n<\/tr>\n
    n<\/td>\n\u4ece\u53e6\u4e00\u4e2a\u6587\u4ef6\u4e2d\u8bfb\u6587\u672c\u4e0b\u4e00\u884c\uff0c\u5e76\u4ece\u4e0b\u4e00\u6761\u547d\u4ee4\u800c\u4e0d\u662f\u7b2c\u4e00\u6761\u547d\u4ee4\u5f00\u59cb\u5bf9\u5176\u7684\u5904\u7406<\/td>\n<\/tr>\n
    \n

    N<\/p>\n<\/td>\n

    		\u5728\u6570\u636e\u6d41\u4e2d\u6dfb\u52a0\u4e0b\u4e00\u884c\u4ee5\u521b\u5efa\u7528\u4e8e\u5904\u7406\u7684\u591a\u884c\u7ec4<\/td>\n<\/tr>\n
    g<\/td>\n\u5c06\u6a21\u5f0f2\u7c98\u8d34\u5230\/pattern n\/<\/td>\n<\/tr>\n
    y<\/td>\n\u4f20\u9001\u5b57\u7b26\uff0c\u66ff\u6362\u5355\u4e2a\u5b57\u7b26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u5bf9\u6587\u4ef6\u7684\u64cd\u4f5c\u65e0\u975e\u5c31\u662f\u201d\u589e\u5220\u6539\u67e5\u201c\uff0c\u600e\u6837\u7528sed\u547d\u4ee4\u5b9e\u73b0\u5bf9\u6587\u4ef6\u7684\u201d\u589e\u5220\u6539\u67e5\u201c\uff0c\u73a9\u8f6csed\u662f\u5199\u81ea\u52a8\u5316\u811a\u672c\u5fc5\u987b\u7684\u57fa\u7840\u4e4b\u4e00\u3002<\/strong><\/p>\n

    sed\u547d\u4ee4\u6253\u5370\u6587\u4ef6\u4fe1\u606f(\u67e5\u8be2)\uff1a<\/strong><\/p>\n

    \n
    \n
    [java]<\/strong>\u00a0view plain<\/a>\u00a0copy<\/a><\/span><\/p>\n
    <\/div>\n<\/div>\n<\/div>\n
      \n
    1. ####\u7528sed\u6253\u5370\u6587\u4ef6\u7684\u4fe1\u606f\u7684\u4f8b\u5b50\u7684\u547d\u4ee4######<\/li>\n
    2. sed\u00a0-n\u00a0‘\/^#\/!p’\u00a0\u00a0\/etc\/vsftpd\/vsftpd.conf\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/li>\n
    3. sed\u00a0-n\u00a0‘\/^#\/!{\/^$\/!p}’\u00a0\u00a0\/etc\/vsftpd\/vsftpd.conf\u00a0\u00a0<\/span><\/li>\n
    4. sed\u00a0-e\u00a0‘\/^#\/d’\u00a0-e\u00a0‘\/^$\/d’\u00a0\u00a0\/etc\/vsftpd\/vsftpd.conf\u00a0\u00a0<\/span><\/li>\n
    5. sed\u00a0-n\u00a0‘1,\/adm\/p’\u00a0\/etc\/passwd\u00a0\u00a0<\/span><\/li>\n
    6. sed\u00a0-n\u00a0‘\/adm\/,6p’\u00a0\/etc\/passwd\u00a0\u00a0<\/span><\/li>\n
    7. sed\u00a0-n\u00a0‘\/adm\/,4p’\u00a0\/etc\/passwd\u00a0\u00a0<\/span><\/li>\n
    8. sed\u00a0-n\u00a0‘\/adm\/,2p’\u00a0\/etc\/passwd\u00a0\u00a0<\/span><\/li>\n
    9. ###\u4ee5\u4e0b\u56fe\u7247\u662f\u5bf9\u8fd9\u4e9bsed\u547d\u4ee4\u4f8b\u5b50\u7684\u89e3\u91ca\u548c\u663e\u793a\u7ed3\u679c<\/li>\n<\/ol>\n<\/div>\n

      \"\\\"<\/strong><\/p>\n

      \"\\\"<\/p>\n

      \"\\\"<\/p>\n

      \"\\\"<\/p>\n

      sed\u547d\u4ee4\u5b9e\u73b0\u5bf9\u6587\u4ef6\u5185\u5bb9\u7684\u6dfb\u52a0\uff1a(\u5bf9\u6e90\u6587\u4ef6\u6dfb\u52a0\u7684\u8bdd\u5c31\u7528-i\u53c2\u6570):<\/strong><\/p>\n

      \n
      \n
      [java]<\/strong>\u00a0view plain<\/a>\u00a0copy<\/a><\/span><\/p>\n
      <\/div>\n<\/div>\n<\/div>\n
        \n
      1. ####sed\u547d\u4ee4\u53ef\u4ee5\u5b9e\u73b0\u7684\u6dfb\u52a0######<\/li>\n
      2. #1\uff09\u5339\u914d\u884c\u7684\u884c\u9996\u6dfb\u52a0\uff0c\u6dfb\u52a0\u5728\u540c\u884c\u00a0\u00a0<\/span><\/li>\n
      3. #2\uff09\u5339\u914d\u884c\u7684\u884c\u4e2d\u7684\u67d0\u4e2a\u5b57\u7b26\u540e\u6dfb\u52a0\u00a0\u00a0<\/span><\/li>\n
      4. #3\uff09\u5339\u914d\u884c\u7684\u884c\u5c3e\u6dfb\u52a0\u5b57\u7b26\u00a0\u00a0<\/span><\/li>\n
      5. #4\uff09\u5339\u914d\u884c\u7684\u884c\u524d\u9762\u884c\u6dfb\u52a0\u00a0\u00a0<\/span><\/li>\n
      6. #5\uff09\u5339\u914d\u884c\u7684\u884c\u540e\u9762\u884c\u6dfb\u52a0\u00a0\u00a0<\/span><\/li>\n
      7. #6\uff09\u6587\u4ef6\u7684\u884c\u9996\u6dfb\u52a0\u4e00\u884c\u00a0\u00a0<\/span><\/li>\n
      8. \u00a0\u00a0[root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘1\u00a0i\\sed\u00a0command\u00a0start’\u00a0myfile\u00a0\u00a0<\/span><\/span><\/li>\n
      9. #7\uff09\u6587\u4ef6\u7684\u884c\u5c3e\u8ffd\u52a0\u4e00\u884c\u00a0\u00a0<\/span><\/li>\n
      10. \u00a0\u00a0[root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘$a\u00a0\\sed\u00a0command\u00a0end’\u00a0myfile\u00a0\u00a0<\/span><\/span><\/li>\n<\/ol>\n<\/div>\n

        \"\\\"<\/strong><\/p>\n

         <\/p>\n

        \"\\\"<\/p>\n

         <\/p>\n

        \"\\\"<\/p>\n

        \"\\\"<\/p>\n

        \"\\\"<\/p>\n

        \"\\\"<\/p>\n

        \"\\\"<\/p>\n

        \"\\\"<\/p>\n

        \"\\\"<\/p>\n

        sed\u547d\u4ee4\u5b9e\u73b0\u5bf9\u6587\u4ef6\u5185\u5bb9\u7684\u5220\u9664\uff1a(\u5bf9\u6e90\u6587\u4ef6\u76f4\u63a5\u5220\u9664\u7528-i\u53c2\u6570):<\/strong><\/p>\n

        sed\u7684\u5220\u9664\u64cd\u4f5c\u662f\u9488\u5bf9\u6587\u4ef6\u7684\u884c\uff0c\u5982\u679c\u60f3\u5220\u9664\u884c\u4e2d\u7684\u67d0\u4e2a\u5b57\u7b26\uff0c\u90a3\u5c31\u7528\u66ff\u6362(\u522b\u6025\uff0c\u66ff\u6362\u7a0d\u540e\u5c31\u8bb2\uff0c\u800c\u4e14\u66ff\u6362\u662fsed\u6700\u5e38\u7528\u7684)<\/p>\n

        \"\\\"<\/strong><\/p>\n

        \"\\\"<\/strong><\/p>\n

        \"\\\"<\/p>\n

        \"\\\"<\/strong><\/p>\n

        \u91cd\u70b9\uff1ased\u547d\u4ee4\u5b9e\u73b0\u5bf9\u6587\u4ef6\u5185\u5bb9\u7684\u66ff\u6362\uff08\u66ff\u6362\u662f\u5728shell\u81ea\u52a8\u5316\u811a\u672c\u4e2d\u7528\u5230\u6700\u591a\u7684\u64cd\u4f5c\uff09<\/strong><\/p>\n

        \n
        \n
        [java]<\/strong>\u00a0view plain<\/a>\u00a0copy<\/a><\/span><\/p>\n
        <\/div>\n<\/div>\n<\/div>\n
          \n
        1. #================\u6e90\u6587\u4ef6\u91cc\u9762\u7684\u5185\u5bb9===============================<\/li>\n
        2. [root@jie1\u00a0~]#\u00a0cat\u00a0test\u00a0\u00a0<\/span><\/li>\n
        3. anonymous_enable=YES<\/li>\n
        4. write_enable=YES<\/li>\n
        5. local_umask=022\u00a0\u00a0<\/span><\/li>\n
        6. xferlog_enable=YES<\/li>\n
        7. connect_from_port_20=YES<\/li>\n
        8. root:x:0:0:root:\/root:\/bin\/bash\u00a0\u00a0<\/span><\/li>\n
        9. bin:x:1:1:bin:\/bin:\/sbin\/nologin\u00a0\u00a0<\/span><\/li>\n
        10. daemon:x:2:2:daemon:\/sbin:\/sbin\/nologin\u00a0\u00a0<\/span><\/li>\n
        11. adm:x:3:4:adm:\/var\/adm:\/sbin\/nologin\u00a0\u00a0<\/span><\/li>\n
        12. lp:x:4:7:lp:\/var\/spool\/lpd:\/sbin\/nologin\u00a0\u00a0<\/span><\/li>\n
        13. DEVICE=“eth0”\u00a0\u00a0<\/span><\/li>\n
        14. BOOTPROTO=“static”\u00a0\u00a0<\/span><\/li>\n
        15. HWADDR=“00:0C:29:90:79:78”\u00a0\u00a0<\/span><\/li>\n
        16. ONBOOT=“yes”\u00a0\u00a0<\/span><\/li>\n
        17. IPADDR=172.16.22.1\u00a0\u00a0<\/span><\/li>\n
        18. NETMASK=255.255.0.0\u00a0\u00a0<\/span><\/li>\n
        19. #======================================================================<\/li>\n
        20. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘\/DEVICE\/c\\Ethernet’\u00a0test\u00a0\u00a0\u00a0<\/span><\/span><\/li>\n
        21. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u5339\u914dDEVICE\u7684\u884c\uff0c\u66ff\u6362\u6210Ethernet\u8fd9\u884c<\/li>\n
        22. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘s\/static\/dhcp\/’\u00a0test\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><\/li>\n
        23. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u628astatic\u66ff\u6362\u6210dhcp(\/,@,#\u90fd\u662f\u524d\u9762\u6240\u8bf4\u7684\u5730\u5740\u5b9a\u754c\u7b26)\u00a0\u00a0<\/span><\/li>\n
        24. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘\/IPADDR\/s@22\\.1@10.12@’\u00a0test\u00a0\u00a0<\/span><\/span><\/li>\n
        25. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u5339\u914dIPADDR\u7684\u884c\uff0c\u628a22.1\u66ff\u6362\u621010.12\u7531\u4e8e.\u53f7\u6709\u7279\u6b8a\u610f\u4e49\u6240\u6709\u9700\u8981\u8f6c\u4e49\u00a0\u00a0<\/span><\/li>\n
        26. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘\/connect\/s#YES#NO#’\u00a0test\u00a0\u00a0\u00a0<\/span><\/span><\/li>\n
        27. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u5339\u914dconnect\u7684\u884c\uff0c\u628aYES\u66ff\u6362\u6210NO<\/li>\n
        28. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘s\/bin\/tom\/2g’\u00a0test\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><\/li>\n
        29. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u628a\u6240\u6709\u5339\u914d\u5230bin\u7684\u884c\u4e2d\u7b2c\u4e8c\u6b21\u53ca\u7b2c\u4e8c\u6b21\u4e4b\u540e\u51fa\u73b0bin\u66ff\u6362\u6210tom<\/li>\n
        30. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘s\/daemon\/jerry\/2p’\u00a0test\u00a0\u00a0\u00a0\u00a0<\/span><\/span><\/li>\n
        31. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u628a\u6240\u6709\u5339\u914d\u5230bin\u7684\u884c\u4e2d\u7b2c\u4e8c\u6b21\u51fa\u73b0\u7684daemon\u66ff\u6362\u6210jerry\uff0c\u5e76\u5728\u751f\u4ea7\u4e0e\u5339\u914d\u884c\u540c\u6837\u7684\u884c<\/li>\n
        32. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘s\/adm\/boss\/2’\u00a0test\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><\/li>\n
        33. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u628a\u6240\u6709\u5339\u914d\u5230adm\u7684\u884c\u4e2d\u4ec5\u4ec5\u53ea\u662f\u7b2c\u4e8c\u6b21\u51fa\u73b0\u7684adm\u66ff\u6362\u6210boss<\/li>\n
        34. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘\/root\/{s\/bash\/nologin\/;s\/0\/1\/g}’\u00a0test\u00a0\u00a0<\/span><\/span><\/li>\n
        35. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u5339\u914droot\u7684\u884c\uff0c\u628abash\u66ff\u6362\u6210nologin\uff0c\u4e14\u628a0\u66ff\u6362\u62101\u00a0\u00a0<\/span><\/li>\n
        36. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘s\/root\/(&)\/g’\u00a0test\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><\/li>\n
        37. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u628aroot\u7528\u62ec\u53f7\u62ec\u8d77\u6765\uff0c&\u8868\u793a\u5f15\u7528\u524d\u9762\u5339\u914d\u7684\u5b57\u7b26<\/li>\n
        38. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘s\/BOOTPROTO\/#BOOTPROTO\/’\u00a0test\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><\/li>\n
        39. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u5339\u914dBOOTPROTO\u66ff\u6362\u6210#BOOTPROTO\uff0c\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u4e00\u822c\u7528\u4e8e\u6ce8\u91ca\u67d0\u884c<\/li>\n
        40. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘s\/ONBOOT\/#&\/’\u00a0test\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><\/li>\n
        41. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u5339\u914dONBOOT\u7684\u884c\u7684\u524d\u9762\u6dfb\u52a0#\u53f7\uff0c\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u4e5f\u8868\u793a\u6ce8\u91ca\u67d0\u884c<\/li>\n
        42. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘\/ONBOOT\/s\/#\/\/’\u00a0test\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><\/li>\n
        43. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u5339\u914dONBOOT\u7684\u884c\uff0c\u628a#\u66ff\u6362\u6210\u7a7a\uff0c\u5373\u53bb\u6389#\u53f7\uff0c\u4e5f\u4e00\u822c\u7528\u4f5c\u53bb\u6389#\u6ce8\u91ca<\/li>\n
        44. #================\u6267\u884c\u4ee5\u4e0ased\u547d\u4ee4\u4e4b\u540e\u6587\u4ef6\u663e\u793a\u7684\u5185\u5bb9====================<\/li>\n
        45. [root@jie1\u00a0~]#\u00a0cat\u00a0test\u00a0\u00a0<\/span><\/li>\n
        46. anonymous_enable=YES<\/li>\n
        47. write_enable=YES<\/li>\n
        48. local_umask=022\u00a0\u00a0<\/span><\/li>\n
        49. xferlog_enable=YES<\/li>\n
        50. connect_from_port_20=NO<\/li>\n
        51. (root):x:1:1:(root):\/(root):\/bin\/nologin\u00a0\u00a0<\/span><\/li>\n
        52. bin:x:1:1:tom:\/tom:\/stom\/nologin\u00a0\u00a0<\/span><\/li>\n
        53. daemon:x:2:2:jerry:\/sbin:\/stom\/nologin\u00a0\u00a0<\/span><\/li>\n
        54. daemon:x:2:2:jerry:\/sbin:\/stom\/nologin\u00a0\u00a0<\/span><\/li>\n
        55. adm:x:3:4:boss:\/var\/adm:\/sbin\/nologin\u00a0\u00a0<\/span><\/li>\n
        56. lp:x:4:7:lp:\/var\/spool\/lpd:\/sbin\/nologin\u00a0\u00a0<\/span><\/li>\n
        57. Ethernet<\/li>\n
        58. #BOOTPROTO=“dhcp”\u00a0\u00a0<\/span><\/li>\n
        59. HWADDR=“00:0C:29:90:79:78”\u00a0\u00a0<\/span><\/li>\n
        60. ONBOOT=“yes”\u00a0\u00a0<\/span><\/li>\n
        61. IPADDR=172.16.10.12\u00a0\u00a0<\/span><\/li>\n
        62. NETMASK=255.255.0.0\u00a0\u00a0<\/span><\/li>\n<\/ol>\n<\/div>\n

          sed\u5f15\u7528\u53d8\u91cf\uff1a\uff08\u5728\u81ea\u52a8\u5316shell\u811a\u672c \u4e2d\u4e5f\u7ecf\u5e38\u4f1a\u4f7f\u7528\u5230\u53d8\u91cf\uff09<\/strong><\/p>\n

          \u7b2c\u4e00\u79cd\u5f53sed\u547d\u4ee4\u91cc\u9762\u6ca1\u6709\u9ed8\u8ba4\u7684\u53d8\u91cf\u65f6\u53ef\u4ee5\u628a\u5355\u5f15\u53f7\u6539\u6210\u53cc\u5f15\u53f7\uff1b<\/strong><\/p>\n

          \u7b2c\u4e8c\u79cd\u5f53sed\u547d\u4ee4\u91cc\u9762\u6709\u9ed8\u8ba4\u7684\u53d8\u91cf\u65f6\uff0c\u90a3\u81ea\u5df1\u5b9a\u4e49\u7684\u53d8\u91cf\u9700\u8981\u52a0\u5355\u5f15\u53f7\uff0c\u4e14sed\u91cc\u9762\u7684\u8bed\u53e5\u5fc5\u987b\u7528\u5355\u5f15<\/strong><\/p>\n

          \n
          \n
          [java]<\/strong>\u00a0view plain<\/a>\u00a0copy<\/a><\/span><\/p>\n
          <\/div>\n<\/div>\n<\/div>\n
            \n
          1. [root@jie1\u00a0~]#\u00a0cat\u00a0>>\u00a0myfile\u00a0<<\u00a0EOF\u00a0\u00a0<\/span><\/li>\n
          2. >\u00a0hello\u00a0world<\/li>\n
          3. >\u00a0i\u00a0am\u00a0jie<\/li>\n
          4. >\u00a0how\u00a0are\u00a0you<\/li>\n
          5. >\u00a0EOF\u00a0\u00a0\u00a0#\u5148\u751f\u6210\u4e00\u4e2a\u6587\u4ef6<\/li>\n
          6. [root@jie1\u00a0~]#\u00a0cat\u00a0myfile\u00a0\u00a0<\/span><\/li>\n
          7. hello\u00a0world<\/li>\n
          8. i\u00a0am\u00a0jie<\/li>\n
          9. how\u00a0are\u00a0you<\/li>\n
          10. [root@jie1\u00a0~]#\u00a0name=li\u00a0\u00a0<\/span><\/li>\n
          11. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf\uff0c\u4e14\u7ed9\u53d8\u91cf\u8d4b\u503c<\/li>\n
          12. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0“s\/jie\/$name\/”\u00a0myfile\u00a0\u00a0<\/span><\/span><\/li>\n
          13. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u628a\u5339\u914djie\u7684\u5b57\u7b26\u66ff\u6362\u6210\u53d8\u91cf\u7684\u503c<\/li>\n
          14. [root@jie1\u00a0~]#\u00a0cat\u00a0myfile\u00a0\u00a0<\/span><\/li>\n
          15. hello\u00a0world<\/li>\n
          16. i\u00a0am\u00a0li<\/li>\n
          17. how\u00a0are\u00a0you<\/li>\n
          18. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0“$a\u00a0$name”\u00a0myfile\u00a0\u00a0<\/span><\/span><\/li>\n
          19. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u5f53sed\u547d\u4ee4\u4e5f\u6709\u9ed8\u8ba4\u53d8\u91cf\u65f6\uff0c\u5728\u53bb\u5f15\u7528\u81ea\u5df1\u5b9a\u4e49\u7684\u53d8\u91cf\u4f1a\u51fa\u73b0\u8bed\u6cd5\u9519\u8bef<\/li>\n
          20. sed:\u00a0-e\u00a0expression\u00a0#1,\u00a0char\u00a03:\u00a0extra\u00a0characters\u00a0after\u00a0command\u00a0\u00a0<\/span><\/span><\/li>\n
          21. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘$a\u00a0‘$name”\u00a0myfile\u00a0\u00a0<\/span><\/span><\/li>\n
          22. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u5728\u5f15\u7528\u81ea\u5b9a\u4e49\u7684\u53d8\u91cf\u65f6\uff0csed\u8bed\u53e5\u5fc5\u987b\u7528\u5355\u5f15\u5f15\u4f4f\uff0c\u7136\u540e\u628a\u81ea\u5b9a\u4e49\u7684\u53d8\u91cf\u4e5f\u7528\u5355\u5f15\u53f7\u5f15\u4f4f<\/li>\n
          23. [root@jie1\u00a0~]#\u00a0cat\u00a0myfile\u00a0\u00a0<\/span><\/li>\n
          24. hello\u00a0world<\/li>\n
          25. i\u00a0am\u00a0li<\/li>\n
          26. how\u00a0are\u00a0you<\/li>\n
          27. li<\/li>\n
          28. [root@jie1\u00a0~]#\u00a0\u00a0<\/span><\/li>\n<\/ol>\n<\/div>\n

            sed\u7684\u5176\u5b83\u9ad8\u7ea7\u4f7f\u7528\uff1a<\/strong><\/p>\n

            1\uff09\u628a\u6b63\u5728\u7528sed\u64cd\u4f5c\u7684\u6587\u4ef6\u7684\u5185\u5bb9\u5199\u5230\u4f8b\u5916\u4e00\u4e2a\u6587\u4ef6\u4e2d<\/strong><\/p>\n

            \n
            \n
            [java]<\/strong>\u00a0view plain<\/a>\u00a0copy<\/a><\/span><\/p>\n
            <\/div>\n<\/div>\n<\/div>\n
              \n
            1. [root@jie1\u00a0~]#\u00a0cat\u00a0test\u00a0\u00a0\u00a0#sed\u64cd\u4f5c\u7684\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u00a0\u00a0<\/span><\/li>\n
            2. Ethernet<\/li>\n
            3. #BOOTPROTO=“dhcp”\u00a0\u00a0<\/span><\/li>\n
            4. HWADDR=“00:0C:29:90:79:78”\u00a0\u00a0<\/span><\/li>\n
            5. ONBOOT=“yes”\u00a0\u00a0<\/span><\/li>\n
            6. IPADDR=172.16.10.12\u00a0\u00a0<\/span><\/li>\n
            7. NETMASK=255.255.0.0\u00a0\u00a0<\/span><\/li>\n
            8. [root@jie1\u00a0~]#\u00a0sed\u00a0-i\u00a0‘s\/IPADDR\/ip\/w\u00a0ip.txt’\u00a0test\u00a0\u00a0<\/span><\/span><\/li>\n
            9. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u628ased\u64cd\u4f5c\u7684\u6587\u4ef6\u5185\u5bb9\u4fdd\u5b58\u5230\u53e6\u5916\u4e00\u4e2a\u6587\u4ef6\u4e2d\uff0cw\u8868\u793a\u4fdd\u5b58\uff0cip.txt\u6587\u4ef6\u540d<\/li>\n
            10. [root@jie1\u00a0~]#\u00a0cat\u00a0ip.txt\u00a0\u00a0#\u67e5\u770b\u65b0\u6587\u4ef6\u7684\u5185\u5bb9\u00a0\u00a0<\/span><\/li>\n
            11. ip=172.16.10.12\u00a0\u00a0<\/span><\/li>\n
            12. [root@jie1\u00a0~]#\u00a0\u00a0<\/span><\/li>\n<\/ol>\n<\/div>\n

              2\uff09\u8bfb\u53d6\u4e00\u4e2a\u6587\u4ef6\u5230\u6b63\u5728\u7528sed\u64cd\u4f5c\u7684\u6587\u4ef6\u4e2d<\/strong><\/p>\n

              \n
              \n
              [java]<\/strong>\u00a0view plain<\/a>\u00a0copy<\/a><\/span><\/p>\n
              <\/div>\n<\/div>\n<\/div>\n
                \n
              1. [root@jie1\u00a0~]#\u00a0cat\u00a0myfile\u00a0\u00a0\u00a0#\u6587\u4ef6\u5185\u5bb9\u00a0\u00a0<\/span><\/li>\n
              2. hello\u00a0world<\/li>\n
              3. i\u00a0am\u00a0li<\/li>\n
              4. how\u00a0are\u00a0you<\/li>\n
              5. li<\/li>\n
              6. [root@jie1\u00a0~]#\u00a0cat\u00a0test\u00a0\u00a0#\u5c06\u7528sed\u64cd\u4f5c\u7684\u6587\u4ef6\u7684\u5185\u5bb9\u00a0\u00a0<\/span><\/li>\n
              7. Ethernet<\/li>\n
              8. #BOOTPROTO=“dhcp”\u00a0\u00a0<\/span><\/li>\n
              9. HWADDR=“00:0C:29:90:79:78”\u00a0\u00a0<\/span><\/li>\n
              10. ONBOOT=“yes”\u00a0\u00a0<\/span><\/li>\n
              11. IPADDR=172.16.10.12\u00a0\u00a0<\/span><\/li>\n
              12. NETMASK=255.255.0.0\u00a0\u00a0<\/span><\/li>\n
              13. [root@jie1\u00a0~]#\u00a0sed\u00a0\u00a0-i\u00a0‘\/Ethernet\/r\u00a0myfile’\u00a0test\u00a0\u00a0<\/span><\/span><\/li>\n
              14. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0#\u5728\u5339\u914dEthernet\u7684\u884c\uff0c\u8bfb\u8fdb\u6765\u53e6\u4e00\u4e2a\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u8bfb\u8fdb\u6765\u7684\u6587\u4ef6\u7684\u5185\u5bb9\u4f1a\u63d2\u5165\u5230\u5339\u914dEthernet\u7684\u884c\u540e<\/li>\n
              15. [root@jie1\u00a0~]#\u00a0cat\u00a0test\u00a0\u00a0#\u518d\u6b21\u67e5\u770b\u7528sed\u547d\u4ee4\u64cd\u4f5c\u7684\u884c\u00a0\u00a0<\/span><\/li>\n
              16. Ethernet<\/li>\n
              17. hello\u00a0world<\/li>\n
              18. i\u00a0am\u00a0li<\/li>\n
              19. how\u00a0are\u00a0you<\/li>\n
              20. li<\/li>\n
              21. #BOOTPROTO=“dhcp”\u00a0\u00a0<\/span><\/li>\n
              22. HWADDR=“00:0C:29:90:79:78”\u00a0\u00a0<\/span><\/li>\n
              23. ONBOOT=“yes”\u00a0\u00a0<\/span><\/li>\n
              24. IPADDR=172.16.10.12\u00a0\u00a0<\/span><\/li>\n
              25. NETMASK=255.255.0.0\u00a0\u00a0<\/span><\/li>\n
              26. [root@jie1\u00a0~]#\u00a0\u00a0<\/span><\/li>\n<\/ol>\n<\/div>\n

                sed\u7684\u7ecf\u5178\u4f8b\u5b50\uff1a<\/strong><\/p>\n

                \n
                \n
                [java]<\/strong>\u00a0view plain<\/a>\u00a0copy<\/a><\/span><\/p>\n
                <\/div>\n<\/div>\n<\/div>\n
                  \n
                1. ##1\uff09\u3001\u5904\u7406\u4ee5\u4e0b\u6587\u4ef6\u5185\u5bb9,\u5c06\u57df\u540d\u53d6\u51fa\u5e76\u8fdb\u884c\u8ba1\u6570\u6392\u5e8f,\u5982\u5904\u7406:\u00a0\u00a0<\/span><\/li>\n
                2. http:\/\/www.baidu.com\/index.<a\u00a0target=”_blank”\u00a0href=”http:\/\/www.2cto.com\/kf\/qianduan\/css\/”\u00a0class=”keylink”\u00a0style=”border:none;\u00a0padding:0px;\u00a0margin:0px;\u00a0color:rgb(51,51,51);\u00a0text-decoration:none;\u00a0font-size:14px”>html<\/a>\u00a0\u00a0<\/span><\/li>\n
                3. http:\/\/www.baidu.com\/1.html\u00a0\u00a0<\/span><\/li>\n
                4. http:\/\/post.baidu.com\/index.html\u00a0\u00a0<\/span><\/li>\n
                5. http:\/\/mp3.baidu.com\/index.html\u00a0\u00a0<\/span><\/li>\n
                6. http:\/\/www.baidu.com\/3.html\u00a0\u00a0<\/span><\/li>\n
                7. http:\/\/post.baidu.com\/2.html\u00a0\u00a0<\/span><\/li>\n
                8. \u5f97\u5230\u5982\u4e0b\u7ed3\u679c:<\/li>\n
                9. \u57df\u540d\u7684\u51fa\u73b0\u7684\u6b21\u6570\u00a0\u57df\u540d<\/li>\n
                10. 3\u00a0www.baidu.com\u00a0\u00a0<\/span><\/li>\n
                11. 2\u00a0post.baidu.com\u00a0\u00a0<\/span><\/li>\n
                12. 1\u00a0mp3.baidu.com\u00a0\u00a0<\/span><\/li>\n
                13. [root@localhost\u00a0shell]#\u00a0cat\u00a0file\u00a0|\u00a0sed\u00a0-e\u00a0‘\u00a0s\/http:\\\/\\\/\/\/’\u00a0-e\u00a0‘\u00a0s\/\\\/.*\/\/’\u00a0|\u00a0sort\u00a0|\u00a0uniq\u00a0-c\u00a0|\u00a0sort\u00a0-rn\u00a0\u00a0<\/span><\/span><\/li>\n
                14. 3\u00a0www.baidu.com\u00a0\u00a0<\/span><\/li>\n
                15. 2\u00a0post.baidu.com\u00a0\u00a0<\/span><\/li>\n
                16. 1\u00a0mp3.baidu.com\u00a0\u00a0<\/span><\/li>\n
                17. [root@codfei4\u00a0shell]#\u00a0awk\u00a0-F\/\u00a0‘{print\u00a0$3}’\u00a0file\u00a0|sort\u00a0-r|uniq\u00a0-c|awk\u00a0‘{print\u00a0$1″\\t”,$2}’\u00a0\u00a0<\/span><\/span><\/li>\n
                18. 3\u00a0www.baidu.com\u00a0\u00a0<\/span><\/li>\n
                19. 2\u00a0post.baidu.com\u00a0\u00a0<\/span><\/li>\n
                20. 1\u00a0mp3.baidu.com\u00a0\u00a0<\/span><\/li>\n
                21. ##2\uff09\u3001\u7528grep\u7ed3\u5408sed\u53d6\u51fa\u7f51\u5361\u7684ip\u5730\u5740\u00a0\u00a0<\/span><\/li>\n
                22. [root@jie1\u00a0~]#\u00a0ifconfig\u00a0|\u00a0grep\u00a0-B1\u00a0“inet\u00a0addr”\u00a0|grep\u00a0-v\u00a0“\\-\\-”\u00a0|sed\u00a0-n\u00a0-e\u00a0‘N;s\/eth[0\u22129]<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>.*\\n.*addr:[0\u22129]{1,3}\\.[0\u22129]{1,3}\\.[0\u22129]{1,3}\\.[0\u22129]{1,3}<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>.*\/\\1\u00a0\\2\/p’\u00a0\u00a0<\/span><\/span><\/span><\/span><\/span><\/li>\n<\/ol>\n<\/div>\n

                  \u5b66\u4f1ased\u7684\u4f7f\u7528\u662f\u5199\u81ea\u52a8\u5316shell\u811a\u672c\u7684\u57fa\u7840\uff0csed\u4e5f\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u4e14\u91cd\u8981\u7684\u547d\u4ee4\uff0c\u662f\u6587\u672c\u5904\u7406\u5de5\u5177\u4e4b\u4e00\uff0c\u4ee5\u4e0a\u662f\u6211\u81ea\u5df1\u5b66\u4e60\u603b\u7ed3\u7684sed\u547d\u4ee4\u7b80\u5355\u7684\u7528\u6cd5\uff0csed\u8fd8\u6709\u66f4\u9ad8\u7ea7\u7684\u7528\u6cd5\uff0c\u4e5f\u8fd8\u5728\u5b66\u4e60\u4e2d\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

                  \u8f6c\u8f7d\u81ea\uff1ahttp:\/\/www.cnblogs.com\/ctaixw\/p\/5860221.html s …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[11],"series":[],"class_list":["post-312","post","type-post","status-publish","format-standard","hentry","category-programmers","tag-linux"],"_links":{"self":[{"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/posts\/312"}],"collection":[{"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=312"}],"version-history":[{"count":1,"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/posts\/312\/revisions"}],"predecessor-version":[{"id":313,"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/posts\/312\/revisions\/313"}],"wp:attachment":[{"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=312"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}