{"id":52310,"date":"2024-12-03T14:44:51","date_gmt":"2024-12-03T06:44:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52310\/"},"modified":"2024-12-03T14:44:51","modified_gmt":"2024-12-03T06:44:51","slug":"linux%e7%ae%a1%e9%81%93%e5%91%bd%e4%bb%a4%e6%9c%89%e4%bb%80%e4%b9%88%e4%bd%9c%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52310\/","title":{"rendered":"Linux\u7ba1\u9053\u547d\u4ee4\u6709\u4ec0\u4e48\u4f5c\u7528"},"content":{"rendered":"

<\/b> <\/p>\n

Linux\u7ba1\u9053\u547d\u4ee4\u6709\u4ec0\u4e48\u4f5c\u7528<\/h1>\n

\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u6587\u7ae0<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300aLinux\u7ba1\u9053\u547d\u4ee4\u6709\u4ec0\u4e48\u4f5c\u7528\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n<\/p>\n

\n

Linux\u7ba1\u9053\u547d\u4ee4\u662f\u201c|\u201d\uff0c\u5176\u4f5c\u7528\u662f\u7528\u6765\u8fde\u63a5\u591a\u6761\u6307\u4ee4\uff0c\u524d\u4e00\u6761\u6307\u4ee4\u7684\u8f93\u51fa\u6d41\u4f1a\u4f5c\u4e3a\u540e\u4e00\u6761\u6307\u4ee4\u7684\u64cd\u4f5c\u5bf9\u8c61\uff0c\u5176\u547d\u4ee4\u683c\u5f0f\u4e3a\u201c\u6307\u4ee41 | \u6307\u4ee42 | \u2026\u201d\uff0c\u8be5\u547d\u4ee4\u7684\u540e\u4e00\u6761\u6307\u4ee4\uff0c\u5fc5\u987b\u80fd\u591f\u63a5\u6536\u6807\u51c6\u8f93\u5165\u6d41\u547d\u4ee4\u624d\u80fd\u6267\u884c\u3002\u7ba1\u9053\u547d\u4ee4\u53ea\u80fd\u5904\u7406\u524d\u4e00\u6761\u6307\u4ee4\u7684\u6b63\u786e\u8f93\u51fa\uff0c\u4e0d\u80fd\u5904\u7406\u9519\u8bef\u8f93\u51fa\uff1b\u7ba1\u9053\u547d\u4ee4\u7684\u540e\u4e00\u6761\u6307\u4ee4\uff0c\u5fc5\u987b\u80fd\u591f\u63a5\u6536\u6807\u51c6\u8f93\u5165\u6d41\u547d\u4ee4\u624d\u80fd\u6267\u884c\u3002<\/p>\n<\/blockquote>\n

\u4ec0\u4e48\u662fLinux \u7ba1\u9053\u547d\u4ee4\uff1f<\/strong><\/h3>\n

1\u3001Linux\u7ba1\u9053\u547d\u4ee4\u662f  \u201c | \u201d<\/strong>\uff0c\u5176\u4f5c\u7528\u662f\u7528\u6765\u8fde\u63a5\u591a\u6761\u6307\u4ee4\uff0c\u524d\u4e00\u6761\u6307\u4ee4\u7684\u8f93\u51fa\u6d41\u4f1a\u4f5c\u4e3a\u540e\u4e00\u6761\u6307\u4ee4\u7684\u64cd\u4f5c\u5bf9\u8c61\uff0c\u5176\u547d\u4ee4\u683c\u5f0f\u4e3a\u201c\u6307\u4ee41 | \u6307\u4ee42 | \u2026\u201d\uff0c\u8be5\u547d\u4ee4\u7684\u540e\u4e00\u6761\u6307\u4ee4\uff0c\u5fc5\u987b\u80fd\u591f\u63a5\u6536\u6807\u51c6\u8f93\u5165\u6d41\u547d\u4ee4\u624d\u80fd\u6267\u884c\u3002<\/p>\n

2\u3001\u7ba1\u9053\u547d\u4ee4\u7684\u64cd\u4f5c\u7b26\u662f\uff1a\u201d|\u201d\uff0c\u5b83\u53ea\u80fd\u5904\u7406\u7531\u524d\u9762\u4e00\u6761\u6307\u4ee4\u4f20\u51fa\u7684\u6b63\u786e\u8f93\u51fa\u4fe1\u606f\uff0c\u5bf9\u9519\u8bef\u4fe1\u606f\u662f\u6ca1\u6709\u76f4\u63a5\u5904\u7406\u80fd\u529b\u7684\u3002\u7136\u540e\uff0c\u4f20\u9012\u7ed9\u4e0b\u4e00\u6761\u6307\u4ee4\uff0c\u4f5c\u4e3a\u64cd\u4f5c\u5bf9\u8c61\u3002<\/p>\n

\u57fa\u672c\u683c\u5f0f\uff1a\u6307\u4ee41 | \u6307\u4ee42 | \u2026<\/strong><\/h4>\n
\n

\u3010\u63d0\u9192\u6ce8\u610f\u3011\uff1a<\/strong><\/p>\n

1\u3001\u7ba1\u9053\u547d\u4ee4\u53ea\u80fd\u5904\u7406\u524d\u4e00\u6761\u6307\u4ee4\u7684\u6b63\u786e\u8f93\u51fa\uff0c\u4e0d\u80fd\u5904\u7406\u9519\u8bef\u8f93\u51fa\uff1b<\/p>\n

2\u3001\u7ba1\u9053\u547d\u4ee4\u7684\u540e\u4e00\u6761\u6307\u4ee4\uff0c\u5fc5\u987b\u80fd\u591f\u63a5\u6536\u6807\u51c6\u8f93\u5165\u6d41\u547d\u4ee4\u624d\u80fd\u6267\u884c\u3002<\/p>\n<\/blockquote>\n

Cut\u2014 \u6839\u636e\u6761\u4ef6 \u4ece\u547d\u4ee4\u7ed3\u679c\u4e2d \u63d0\u53d6 \u5bf9\u5e94\u5185\u5bb9<\/strong><\/h3>\n

\u7b2c\u4e00\u6b65<\/strong>: <\/strong>\u622a\u53d6\u51fa<\/strong>\u6307\u5b9a<\/strong>\u6587\u4ef6\u4e2d \u524d<\/strong>2<\/strong>\u884c \u7684 \u7b2c<\/strong>5<\/strong>\u4e2a\u5b57\u7b26<\/strong><\/p>\n\n\n\n\n\n
\u547d\u4ee4<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
cut \u52a8\u4f5c \u6587\u4ef6<\/td>\n\u4ece\u6307\u5b9a\u6587\u4ef6\u622a\u53d6\u5185\u5bb9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n
\u53c2\u6570<\/th>\n\u82f1\u6587<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
-c<\/td>\ncharacters<\/td>\n\u6309\u5b57\u7b26\u9009\u53d6\u5185\u5bb9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u547d\u4ee4\uff1a<\/strong>   head -2 \u6587\u4ef6\u540d | cut -c 5<\/strong>  <\/p>\n<\/blockquote>\n

\u7b2c\u4e8c\u6b65<\/strong>: <\/strong>\u622a\u53d6\u51fa<\/strong>\u6307\u5b9a<\/strong>\u6587\u4ef6\u4e2d\u524d<\/strong>2<\/strong>\u884c\u4ee5<\/strong>\u201d:\u201d<\/strong>\u8fdb\u884c\u5206\u5272\u7684\u7b2c<\/strong>1,2<\/strong>\u6bb5\u5185\u5bb9<\/strong><\/p>\n\n\n\n\n\n\n
\n

\u53c2\u6570<\/p>\n<\/th>\n

\n

\u82f1\u6587<\/p>\n<\/th>\n

\n

\u542b\u4e49<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

-d ‘\u5206\u9694\u7b26’<\/td>\n\n

delimiter<\/p>\n<\/td>\n

\n

\u6307\u5b9a\u5206\u9694\u7b26<\/p>\n<\/td>\n<\/tr>\n

-f n1,n2<\/td>\n\n

fifields<\/p>\n<\/td>\n

\u5206\u5272\u4ee5\u540e\u663e\u793a\u7b2c\u51e0\u6bb5\u5185\u5bb9, \u4f7f\u7528 , \u5206\u5272<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n
\u8303\u56f4\u63a7\u5236<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
n<\/td>\n\u53ea\u663e\u793a\u7b2c n \u9879<\/td>\n<\/tr>\n
n-<\/td>\n\u663e\u793a\u4ece\u7b2c n \u9879 \u4e00\u76f4\u5230\u884c\u5c3e<\/td>\n<\/tr>\n
n-m<\/td>\n\u663e\u793a\u4ece\u7b2cn \u9879 \u5230m \u9879(\u5305\u62ecm)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u547d\u4ee4\uff1a<\/strong><\/p>\n

head -2 \u6587\u4ef6\u540d | cut -d ‘:’ -f 1,2<\/strong><\/p>\n

\u6216\u8005<\/strong><\/p>\n

head -2 <\/strong>\u6587\u4ef6\u540d<\/strong> | cut -d ‘:’ -f 1-2<\/strong><\/p>\n<\/blockquote>\n

\u7b2c\u4e09\u6b65<\/strong>: <\/strong>\u622a\u53d6\u51fa\u6307\u5b9a<\/strong>\u6587\u4ef6\u4e2d\u524d<\/strong>2<\/strong>\u884c\u4ee5<\/strong>\u201d:\u201d<\/strong>\u8fdb\u884c\u5206\u5272\u7684\u7b2c<\/strong>1,2,3<\/strong>\u6bb5\u5185\u5bb9<\/strong><\/p>\n

\n

\u547d\u4ee4\uff1a<\/p>\n

head -2 \u6587\u4ef6\u540d | cut -d ‘:’ -f 1,2,3<\/strong><\/p>\n

\u6216\u8005<\/p>\n

head -2 \u6587\u4ef6\u540d | cut -d ‘:’ -f 1-3<\/strong><\/p>\n<\/blockquote>\n

sort\u2014\u53ef\u9488\u5bf9\u6587\u672c\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u4ee5\u884c\u4e3a\u5355\u4f4d\u6765\u6392\u5e8f<\/strong><\/h3>\n

\u7b2c\u4e00\u6b65<\/strong>: <\/strong>\u5bf9<\/strong>\u5b57\u7b26\u4e32<\/strong>\u6392\u5e8f<\/strong><\/p>\n

\n

\u547d\u4ee4\uff1a sort <\/strong>\u6587\u4ef6\u540d<\/strong><\/p>\n<\/blockquote>\n

\u7b2c\u4e8c\u6b65<\/strong>: <\/strong>\u53bb\u91cd<\/strong>\u6392\u5e8f<\/strong><\/p>\n

    \n
  • \n

    \u5b83\u7684\u4f5c\u7528\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u5728\u8f93\u51fa\u884c\u4e2d\u53bb\u9664\u91cd\u590d\u884c\u3002<\/p>\n<\/li>\n<\/ul>\n\n\n\n\n\n
    \u53c2\u6570<\/th>\n\u82f1\u6587<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
    -u<\/td>\nunique<\/td>\n\u53bb\u9664\u91cd\u590d\u7684<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n

    \u547d\u4ee4\uff1asort -u <\/strong>\u6587\u4ef6\u540d<\/strong><\/p>\n<\/blockquote>\n

    \u7b2c\u4e09\u6b65<\/strong>: <\/strong>\u5bf9\u6570\u503c\u6392\u5e8f<\/strong><\/p>\n\n\n\n\n\n\n
    \u53c2\u6570<\/th>\n\u82f1\u6587<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
    -n<\/td>\nnumeric-sort<\/td>\n\u6309\u7167\u6570\u503c\u5927\u5c0f\u6392\u5e8f<\/td>\n<\/tr>\n
    -r<\/td>\nreverse<\/td>\n\u4f7f\u6b21\u6570\u98a0\u5012<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n
    • \n

      \u547d\u4ee4<\/strong><\/p>\n<\/li>\n<\/ul>\n

      \n

      \u9ed8\u8ba4\u6309\u7167 \u5b57\u7b26\u4e32 \u6392\u5e8f :  sort \u6587\u4ef6\u540d<\/strong><\/p>\n

      \u5347\u5e8f\uff1asort -n \u6587\u4ef6\u540d<\/strong><\/p>\n

      \u964d\u5e8f\uff1asort -n -r \u6587\u4ef6\u540d<\/strong><\/p>\n

      \u5408\u5e76\u5f0f\uff1a<\/strong>sort -nr <\/strong>\u6587\u4ef6\u540d<\/strong> <\/strong>  \u2014> \u6548\u679c\u548c\u964d\u5e8f\u4e00\u6837<\/strong><\/p>\n<\/blockquote>\n

      \u7b2c\u56db\u6b65<\/strong>: <\/strong>\u5bf9\u6210\u7ee9\u6392\u5e8f<\/strong><\/p>\n\n\n\n\n\n\n
      \u53c2\u6570<\/th>\n\u82f1\u6587<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
      -t<\/td>\n\n

      fifield-separator<\/p>\n<\/td>\n

      		\u6307\u5b9a\u5b57\u6bb5\u5206\u9694\u7b26<\/td>\n<\/tr>\n
      -k<\/td>\nkey<\/td>\n\u6839\u636e\u4e00\u5217\u6392\u5e8f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      #  \u6839\u636e\u7b2c\u4e8c\u6bb5\u6210\u7ee9 \u8fdb\u884c\u5012\u5e8f\u663e\u793a \u6240\u6709\u5185\u5bb9<\/p>\n

      sort -t ‘ ‘ -k2nr <\/strong>  \u6587\u4ef6\u540d<\/strong><\/p>\n

      \u6ce8\u610f\uff1a<\/strong>  ‘ <\/strong>   <\/strong>  ‘ <\/strong>  \u4e2d<\/strong>  \u6709\u4e00\u4e2a\u7a7a\u683c<\/strong><\/p>\n<\/blockquote>\n

      wc\u547d\u4ee4\u2014 \u663e\u793a\/\u7edf\u8ba1 \u6307\u5b9a\u6587\u4ef6 \u5b57\u8282\u6570, \u5355\u8bcd\u6570, \u884c\u6570 \u4fe1\u606f<\/strong><\/h3>\n

      \u7b2c\u4e00\u6b65: \u663e\u793a\u6307\u5b9a\u6587\u4ef6 \u5b57\u8282\u6570, \u5355\u8bcd\u6570, \u884c\u6570 \u4fe1\u606f.<\/strong><\/p>\n\n\n\n\n\n
      \u547d\u4ee4<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
      wc \u6587\u4ef6\u540d<\/td>\n\u663e\u793a \u884c\u6570\u3001\u5355\u8bcd\u6570\u3001\u5b57\u8282\u6570\u3001\u6307\u5b9a\u6587\u4ef6<\/strong>\u4fe1\u606f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      \u547d\u4ee4\uff1a<\/strong>wc <\/strong>\u6587\u4ef6\u540d<\/strong><\/p>\n<\/blockquote>\n

      \u7b2c\u4e8c\u6b65<\/strong>: <\/strong>\u53ea\u663e\u793a \u6587\u4ef6 \u7684\u884c\u6570<\/strong><\/p>\n\n\n\n\n\n\n\n
      \u53c2\u6570<\/th>\n\u82f1\u6587<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
      -c<\/td>\nbytes<\/td>\n\u5b57\u8282\u6570<\/td>\n<\/tr>\n
      -w<\/td>\nwords<\/td>\n\u5355\u8bcd\u6570<\/td>\n<\/tr>\n
      -l<\/td>\nlines<\/td>\n\n

      \u884c\u6570<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \n

      \u547d\u4ee4\uff1a<\/strong><\/p>\n

      wc -l \u6587\u4ef6\u540d     —–> \u884c\u6570<\/strong><\/p>\n

      wc -c \u6587\u4ef6\u540d     —–> \u5b57\u8282\u6570<\/strong><\/p>\n

      wc -w \u6587\u4ef6\u540d     —–> \u5355\u8bcd\u6570<\/strong><\/p>\n<\/blockquote>\n

      \u7b2c\u4e09\u6b65<\/strong>: <\/strong>\u7edf\u8ba1\u591a\u4e2a\u6587\u4ef6\u7684 \u884c\u6570 \u5355\u8bcd\u6570 \u5b57\u8282\u6570<\/strong><\/p>\n

      \n

      \u547d\u4ee4\uff1a<\/strong>wc<\/strong> \u6587\u4ef61 \u6587\u4ef62 \u6587\u4ef63 \u6587\u4ef64<\/strong><\/p>\n

      \u4f8b\uff1a<\/strong>wc 1.txt 2.txt 3.txt 4.txt<\/p>\n

      \u6216\u8005\uff1a<\/p>\n

      \u547d\u4ee4\uff1a<\/strong>wc *.txt<\/strong><\/p>\n<\/blockquote>\n

      \u7b2c\u56db\u6b65<\/strong>: <\/strong>\u67e5\u770b <\/strong>\/etc \u76ee\u5f55\u4e0b \u6709\u591a\u5c11\u4e2a \u5b50\u5185\u5bb9<\/strong><\/p>\n

      \n

      \u547d\u4ee4\uff1als \/etc | wc -l<\/strong><\/p>\n<\/blockquote>\n

      uniq\u2014 \u7528\u4e8e\u68c0\u67e5\u53ca\u5220\u9664\u6587\u672c\u6587\u4ef6\u4e2d\u91cd\u590d\u51fa\u73b0\u7684\u884c\u3010\u53bb\u91cd\u3011<\/strong><\/h3>\n
        \n
      • \n

        \u4e00\u822c\u4e0e sort \u547d\u4ee4\u7ed3\u5408\u4f7f\u7528\u3002<\/p>\n<\/li>\n<\/ul>\n

        \u7b2c\u4e00\u6b65\uff1a\u5b9e\u73b0\u53bb\u91cd\u6548\u679c<\/strong><\/p>\n\n\n\n\n\n
        \u547d\u4ee4<\/th>\n\u82f1\u6587<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
        uniq [\u53c2\u6570] \u6587\u4ef6<\/td>\nunique \u552f\u4e00<\/td>\n\u53bb\u9664\u91cd\u590d\u884c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        \n

        \u547d\u4ee4\uff1acat \u6587\u4ef6\u540d | sort | uniq         <\/strong>\u2014\u300b\u6839\u636e\u5b57\u7b26\u4e32\u6392\u5e8f\u5e76\u53bb\u91cd<\/strong><\/p>\n<\/blockquote>\n

        \u7b2c\u4e8c\u6b65\uff1a\u4e0d\u4f46\u53bb\u91cd\uff0c\u8fd8\u8981\u7edf\u8ba1\u51fa\u73b0\u7684\u6b21\u6570<\/strong><\/p>\n\n\n\n\n\n
        \u53c2\u6570<\/th>\n\u82f1\u6587<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
        -c<\/td>\ncount<\/td>\n\u7edf\u8ba1\u6bcf\u884c\u5185\u5bb9\u51fa\u73b0\u7684\u6b21\u6570<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        \n

        \u547d\u4ee4\uff1acat \u6587\u4ef6\u540d | sort | uniq  -c<\/strong><\/p>\n<\/blockquote>\n

        tee \u2014 \u5c06\u547d\u4ee4\u7ed3\u679c \u901a\u8fc7\u7ba1\u9053 \u8f93\u51fa \u5230 \u591a\u4e2a\u6587\u4ef6 \u4e2d<\/strong><\/h3>\n\n\n\n\n\n
        \u547d\u4ee4<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
        \u547d\u4ee4\u7ed3\u679c | tee \u6587\u4ef61 \u6587\u4ef62 \u6587\u4ef63<\/td>\n\n

        \u901a\u8fc7  tee  \u53ef\u4ee5\u5c06\u547d\u4ee4\u7ed3\u679c  \u901a\u8fc7\u7ba1\u9053 <\/strong> \u8f93\u51fa\u5230  \u591a\u4e2a\u6587\u4ef6<\/strong> \u4e2d<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \n
        • \n

          \u5c06\u53bb\u91cd\u7edf\u8ba1\u7684\u7ed3\u679c \u653e\u5230<\/strong> a.txt<\/strong>\u3001<\/strong>b.txt<\/strong>\u3001<\/strong>c.txt <\/strong>\u6587\u4ef6\u4e2d <\/strong><\/p>\n<\/li>\n<\/ul>\n

          \n

          \u547d\u4ee4\uff1acat \u53bb\u91cd\u6587\u4ef6\u540d | sort | uniq  -c | tee a.txt b.txt c.txt<\/strong><\/p>\n<\/blockquote>\n

          tr \u2014<\/strong>\u7528\u4e8e \u66ff\u6362<\/strong> <\/strong>\u6216 \u5220\u9664<\/strong> <\/strong>\u6587\u4ef6\u4e2d\u7684\u5b57\u7b26<\/h3>\n

          \u7b2c\u4e00\u6b65<\/strong>: <\/strong>\u5b9e\u73b0 \u66ff\u6362\u6548\u679c<\/strong><\/p>\n\n\n\n\n\n
          \u547d\u4ee4<\/th>\n\u82f1\u6587<\/th>\n\n

          \u542b\u4e49<\/p>\n<\/th>\n<\/tr>\n<\/thead>\n

          \u547d\u4ee4\u7ed3\u679c | tr \u88ab\u66ff\u6362\u7684\u5b57\u7b26 \u65b0\u5b57\u7b26<\/td>\ntranslate<\/td>\n\u5b9e\u73b0\u66ff\u6362\u7684\u6548\u679c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
          \n

          #  \u5c06 \u5c0f\u5199  he  \u66ff\u6362\u6210 \u5927\u5199 HE<\/p>\n

          echo “helloworld” | tr ‘he’ ”HE<\/strong><\/p>\n

          #  \u628a  helloworld  \u7684\u8f6c\u6362\u4e3a\u5927\u5199<\/p>\n

          echo “helloworld” | tr ‘[a-z]’ ‘A-Z’<\/strong><\/p>\n

          #  \u628a  HELLO  \u8f6c\u6210 \u5c0f\u5199<\/p>\n

          echo “HELLO” | tr ‘A-Z’ ‘a-z’<\/strong><\/p>\n<\/blockquote>\n

          \u7b2c\u4e8c\u6b65<\/strong>: <\/strong>\u5b9e\u73b0\u5220\u9664\u6548\u679c<\/strong><\/p>\n\n\n\n\n\n
          \u547d\u4ee4<\/th>\n\u82f1\u6587<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
          \n

          \u547d\u4ee4\u7ed3\u679c  | tr -d  \u88ab\u5220\u9664\u7684\u5b57\u7b26<\/p>\n<\/td>\n

          		\n

          delete<\/p>\n<\/td>\n

          		\n

          \u5220\u9664\u6307\u5b9a\u7684\u5b57\u7b26<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \n

          # \u5220\u9664  abc1d4e5f  \u4e2d\u7684\u6570\u5b57 <\/strong><\/p>\n

          echo ‘abc1d4ee5f’ | tr -d ‘[0-9]’<\/strong><\/p>\n<\/blockquote>\n

          \u7b2c\u4e09\u6b65<\/strong>: <\/strong>\u5355\u8bcd\u8ba1\u6570 <\/strong><\/p>\n

          \n

          #  \u7edf\u8ba1\u6bcf\u4e2a\u5355\u8bcd\u51fa\u73b0\u7684\u6b21\u6570<\/p>\n

          \u793a\u4f8b\u6570\u636e\uff1a<\/p>\n

          [root@node001 opt]  # cat words.txt<\/p>\n

          hello,world,hadoop  <\/p>\n

          hive,sqoop,flume,hello  <\/p>\n

          kitty,tom,jerry,world  <\/p>\n

          hadoop  <\/p>\n

          \u5b9e\u73b0\u6b65\u9aa4\uff1a<\/p>\n

          1   \u3001\u5c06\u5206\u9694\u7b26   \u201c,\u201d   \u66ff\u6362\u6210 \u6362\u884c\u7b26  <\/p>\n

          2   \u3001 \u6392\u5e8f  <\/p>\n

          3   \u3001\u53bb\u91cd  <\/p>\n

          4   \u3001\u8ba1\u6570  <\/p>\n

          # \u547d\u4ee4  <\/p>\n

          cat words.txt |tr ‘,’ ‘\\n’|sort |uniq -c <\/strong>  <\/p>\n<\/blockquote>\n

            \n
          • \n

            \u901a\u8fc7 tr [\u9009\u9879] \u5b57\u7b261 \u5b57\u7b262 \u53ef\u4ee5 \u5b9e\u73b0 \u66ff\u6362<\/strong> <\/strong>\u548c \u5220\u9664<\/strong> <\/strong>\u6548\u679c<\/p>\n<\/li>\n<\/ul>\n

            \u4ee5\u4e0a\u5c31\u662f\u300aLinux\u7ba1\u9053\u547d\u4ee4\u6709\u4ec0\u4e48\u4f5c\u7528\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8eLinux\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

            Linux\u7ba1\u9053\u547d\u4ee4\u6709\u4ec0\u4e48\u4f5c\u7528 \u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u6587\u7ae0\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u6587\u7ae0\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300aLinux\u7ba1\u9053\u547d\u4ee4\u6709\u4ec0\u4e48\u4f5c\u7528\u300b\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~ Linux\u7ba1\u9053\u547d\u4ee4\u662f\u201c|\u201d\uff0c\u5176\u4f5c\u7528\u662f\u7528\u6765\u8fde\u63a5\u591a\u6761\u6307\u4ee4\uff0c\u524d\u4e00\u6761\u6307\u4ee4\u7684\u8f93\u51fa\u6d41\u4f1a\u4f5c\u4e3a\u540e\u4e00\u6761\u6307\u4ee4\u7684\u64cd\u4f5c\u5bf9\u8c61\uff0c\u5176\u547d\u4ee4\u683c\u5f0f\u4e3a\u201c\u6307\u4ee41 | \u6307\u4ee42 | \u2026\u201d\uff0c\u8be5\u547d\u4ee4\u7684\u540e\u4e00\u6761\u6307\u4ee4\uff0c\u5fc5\u987b\u80fd\u591f\u63a5\u6536\u6807\u51c6\u8f93\u5165\u6d41\u547d\u4ee4\u624d\u80fd\u6267\u884c\u3002\u7ba1\u9053\u547d\u4ee4\u53ea\u80fd\u5904\u7406\u524d\u4e00\u6761\u6307\u4ee4\u7684\u6b63\u786e\u8f93\u51fa\uff0c\u4e0d\u80fd\u5904\u7406\u9519\u8bef\u8f93\u51fa\uff1b\u7ba1\u9053\u547d\u4ee4\u7684\u540e\u4e00\u6761\u6307\u4ee4\uff0c\u5fc5\u987b\u80fd\u591f\u63a5\u6536\u6807\u51c6\u8f93\u5165\u6d41\u547d\u4ee4\u624d\u80fd\u6267\u884c\u3002 \u4ec0\u4e48\u662fLinux \u7ba1\u9053\u547d\u4ee4\uff1f 1\u3001Linux\u7ba1\u9053\u547d\u4ee4\u662f  \u201c | \u201d\uff0c\u5176\u4f5c\u7528\u662f\u7528\u6765\u8fde\u63a5\u591a\u6761\u6307\u4ee4\uff0c\u524d\u4e00\u6761\u6307\u4ee4\u7684\u8f93\u51fa\u6d41\u4f1a\u4f5c\u4e3a\u540e\u4e00\u6761\u6307\u4ee4\u7684\u64cd\u4f5c\u5bf9\u8c61\uff0c\u5176\u547d\u4ee4\u683c\u5f0f\u4e3a\u201c\u6307\u4ee41 | \u6307\u4ee42 | \u2026\u201d\uff0c\u8be5\u547d\u4ee4\u7684\u540e\u4e00\u6761\u6307\u4ee4\uff0c\u5fc5\u987b\u80fd\u591f\u63a5\u6536\u6807\u51c6\u8f93\u5165\u6d41\u547d\u4ee4\u624d\u80fd\u6267\u884c\u3002 2\u3001\u7ba1\u9053\u547d\u4ee4\u7684\u64cd\u4f5c\u7b26\u662f\uff1a\u201d|\u201d\uff0c\u5b83\u53ea\u80fd\u5904\u7406\u7531\u524d\u9762\u4e00\u6761\u6307\u4ee4\u4f20\u51fa\u7684\u6b63\u786e\u8f93\u51fa\u4fe1\u606f\uff0c\u5bf9\u9519\u8bef\u4fe1\u606f\u662f\u6ca1\u6709\u76f4\u63a5\u5904\u7406\u80fd\u529b\u7684\u3002\u7136\u540e\uff0c\u4f20\u9012\u7ed9\u4e0b\u4e00\u6761\u6307\u4ee4\uff0c\u4f5c\u4e3a\u64cd\u4f5c\u5bf9\u8c61\u3002 \u57fa\u672c\u683c\u5f0f\uff1a\u6307\u4ee41 | \u6307\u4ee42 | \u2026 \u3010\u63d0\u9192\u6ce8\u610f\u3011\uff1a 1\u3001\u7ba1\u9053\u547d\u4ee4\u53ea\u80fd\u5904\u7406\u524d\u4e00\u6761\u6307\u4ee4\u7684\u6b63\u786e\u8f93\u51fa\uff0c\u4e0d\u80fd\u5904\u7406\u9519\u8bef\u8f93\u51fa\uff1b 2\u3001\u7ba1\u9053\u547d\u4ee4\u7684\u540e\u4e00\u6761\u6307\u4ee4\uff0c\u5fc5\u987b\u80fd\u591f\u63a5\u6536\u6807\u51c6\u8f93\u5165\u6d41\u547d\u4ee4\u624d\u80fd\u6267\u884c\u3002 Cut\u2014 \u6839\u636e\u6761\u4ef6 \u4ece\u547d\u4ee4\u7ed3\u679c\u4e2d \u63d0\u53d6 \u5bf9\u5e94\u5185\u5bb9 \u7b2c\u4e00\u6b65: \u622a\u53d6\u51fa\u6307\u5b9a\u6587\u4ef6\u4e2d \u524d2\u884c \u7684 \u7b2c5\u4e2a\u5b57\u7b26 \u547d\u4ee4 \u542b\u4e49 cut \u52a8\u4f5c \u6587\u4ef6 \u4ece\u6307\u5b9a\u6587\u4ef6\u622a\u53d6\u5185\u5bb9 \u53c2\u6570 \u82f1\u6587 \u542b\u4e49 -c characters \u6309\u5b57\u7b26\u9009\u53d6\u5185\u5bb9 \u547d\u4ee4\uff1a   head -2 \u6587\u4ef6\u540d | cut […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-52310","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=52310"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52310\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=52310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=52310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=52310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}