{"id":3406,"date":"2023-01-06T16:30:50","date_gmt":"2023-01-06T08:30:50","guid":{"rendered":"https:\/\/qaqaq.top\/?p=3406"},"modified":"2023-01-06T16:38:06","modified_gmt":"2023-01-06T08:38:06","slug":"linux%e5%b8%b8%e7%94%a8%e5%91%bd%e4%bb%a4-%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%a4%84%e7%90%86%e5%91%bd%e4%bb%a4%e9%80%89%e5%ad%a6","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=3406","title":{"rendered":"Linux\u5e38\u7528\u547d\u4ee4 \u5b57\u7b26\u4e32\u5904\u7406\u547d\u4ee4[\u9009\u5b66]"},"content":{"rendered":"\n

Part01 \u6b63\u5219\u8868\u8fbe\u5f0f\u7b26\u53f7\u8bf4\u660e<\/h2>\n\n\n\n
\u7b26\u53f7<\/th>\u542b\u4e49<\/th><\/tr><\/thead>
^<\/td>\u5339\u914d\u5b57\u7b26\u4e32\u5f00\u59cb\u4f4d\u7f6e\u7684\u5b57\u7b26<\/td><\/tr>
$<\/td>\u5339\u914d\u5b57\u7b26\u4e32\u7ed3\u675f\u4f4d\u7f6e\u7684\u5b57\u7b26<\/td><\/tr>
.<\/td>\u5339\u914d\u4efb\u4f55\u4e00\u4e2a\u5b57\u7b26<\/td><\/tr>
*<\/td>\u5339\u914d\u524d\u9762\u7684\u5b57\u7b26\u51fa\u73b00~n\u6b21<\/td><\/tr>
[a,m,u]<\/td>\u5339\u914d\u5b57\u7b26a\u6216m\u6216u<\/td><\/tr>
[a-z]<\/td>\u5339\u914d\u6240\u6709\u5c0f\u5199\u5b57\u6bcd<\/td><\/tr>
[A-Z]<\/td>\u5339\u914d\u6240\u6709\u5927\u5199\u5b57\u6bcd<\/td><\/tr>
[a-zA-Z]<\/td>\u5339\u914d\u6240\u6709\u5b57\u6bcd<\/td><\/tr>
[0-9]<\/td>\u5339\u914d\u6240\u6709\u6570\u5b57<\/td><\/tr>
|\u7279\u6b8a\u7b26\u53f7\u8f6c\u4e49<\/td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Part02 \u5b57\u7b26\u4e32\u5904\u7406\uff1abasename<\/h2>\n\n\n\n

\u8fd4\u56de\u8def\u5f84\u5b57\u7b26\u4e32\u4e2d\u7684\u8d44\u6e90\uff08\u6587\u4ef6\u6216\u76ee\u5f55\u672c\u8eab\uff09\u90e8\u5206<\/p>\n\n\n\n

[root@apple w]# basename \/aa\/bb\/cc\/dd\ndd\n<\/code><\/pre>\n\n\n\n
\u5982\u679c\u6307\u5b9a\u4e86\u540e\u7f00\uff0cbasename\u4f1a\u5e2e\u6211\u4eec\u628a\u540e\u7f00\u90e8\u5206\u4e5f\u53bb\u6389<\/p>\n\n\n\n
[root@apple workspace]# basename \/aa\/bb\/cc\/dd.txt .txt\ndd\n<\/code><\/pre>\n\n\n\n
Part03 \u5b57\u7b26\u4e32\u5904\u7406\uff1adirname<\/h2>\n\n\n\n
\u8fd4\u56de\u8def\u5f84\u5b57\u7b26\u4e32\u4e2d\u7684\u76ee\u5f55\u90e8\u5206<\/p>\n\n\n\n
[root@apple w]# dirname \/aa\/bb\/cc\/dd\n\/aa\/bb\/cc\n<\/code><\/pre>\n\n\n\n
Part04 \u5b57\u7b26\u4e32\u5904\u7406\uff1acut<\/h2>\n\n\n\n
\u6839\u636e\u6307\u5b9a\u7b26\u53f7\u62c6\u5206\u5b57\u7b26\u4e32\u5e76\u63d0\u53d6\u3002\u9ed8\u8ba4\u6839\u636e \\t \u62c6\u5206\u3002<\/p>\n\n\n\n
    \n
  • -f \u53c2\u6570\uff1a\u6307\u5b9a\u8981\u63d0\u53d6\u7684\u5217<\/li>\n\n\n\n
  • -d \u53c2\u6570\uff1a\u6307\u5b9a\u62c6\u5206\u4f9d\u636e\u7684\u5b57\u7b26<\/li>\n<\/ul>\n\n\n\n
    \u51c6\u5907\u6d4b\u8bd5\u6570\u636e\uff1a<\/p>\n\n\n\n
    [root@hadoop101 datas]$ touch cut.txt\n[root@hadoop101 datas]$ vim cut.txt\ndong shen\nguan zhen\nwo  wo\nlai  lai\nle  le\n\n<\/code><\/pre>\n\n\n\n
    \u5207\u5272\u63d0\u53d6\u7b2c\u4e00\u5217\uff1a<\/p>\n\n\n\n
    [root@hadoop101 datas]$ cut -d \" \" -f 1 cut.txt \ndong\nguan\nwo\nlai\nle\n<\/code><\/pre>\n\n\n\n
    \u5207\u5272\u63d0\u53d6\u7b2c\u4e8c\u3001\u7b2c\u4e09\u5217\uff1a<\/p>\n\n\n\n
    [root@apple w]# cut -d \" \" -f 2,3 cut.txt \nshen\nzhen\n wo\n lai\n la\n<\/code><\/pre>\n\n\n\n
    \u5728cut.txt\u4e2d\u5207\u51faguan<\/p>\n\n\n\n
    [root@hadoop101 datas]$ cat cut.txt | grep \"guan\" | cut -d \" \" -f 1\nguan\n<\/code><\/pre>\n\n\n\n
    \u9009\u53d6\u7cfb\u7edf PATH \u53d8\u91cf\u503c\uff0c\u7b2c2\u4e2a \u201c:\u201d \u5f00\u59cb\u540e\u7684\u6240\u6709\u8def\u5f84\uff1a<\/p>\n\n\n\n
    \u547d\u4ee4\u4e2d\u7684\u6a2a\u7ebf\u8868\u793a\u5217\u6570\u7684\u533a\u95f4\u8303\u56f4\u30023-\u8868\u793a\u4ece\u7b2c\u4e09\u5217\u5f00\u59cb\u7684\u6240\u6709\u5217\uff1b3-5\u8868\u793a\u7b2c\u4e09\u5217\u5230\u7b2c\u4e94\u5217\u3002<\/p>\n\n\n\n
    [root@hadoop101 datas]$ echo $PATH\n\/usr\/lib64\/qt-3.3\/bin:\/usr\/local\/bin:\/bin:\/usr\/bin:\/usr\/local\/sbin:\/usr\/sbin:\/sbin:\/home\/qaqaq\/bin\n\n[root@hadoop101 datas]$ echo $PATH | cut -d : -f 3-\n\/usr\/local\/bin:\/bin:\/usr\/bin:\/usr\/local\/sbin:\/usr\/sbin:\/sbin:\/home\/qaqaq\/bin\n<\/code><\/pre>\n\n\n\n
    \u5207\u5272ifconfig \u540e\u6253\u5370\u7684IP\u5730\u5740\uff1a<\/p>\n\n\n\n
    [root@apple w]# ifconfig | grep \"netmask\" | cut -d \"i\" -f 2 | cut -d \" \" -f 2\n192.168.41.100\n127.0.0.1\n192.168.122.1\n<\/code><\/pre>\n\n\n\n
    \u53e6\u4e00\u79cd\u505a\u6cd5\uff1a<\/p>\n\n\n\n
    [root@apple workspace]# ifconfig | grep netmask | cut -d \" \" -f 10\n192.168.41.100\n127.0.0.1\n192.168.122.1\n<\/code><\/pre>\n\n\n\n
    Part05 \u5b57\u7b26\u4e32\u5904\u7406\uff1aawk<\/h2>\n\n\n\n
    \u4e00\u4e2a\u5f3a\u5927\u7684\u6587\u672c\u5206\u6790\u5de5\u5177\uff0c\u628a\u6587\u4ef6\u9010\u884c\u7684\u8bfb\u5165\uff0c\u4ee5\u7a7a\u683c\u4e3a\u9ed8\u8ba4\u5206\u9694\u7b26\u5c06\u6bcf\u884c\u5207\u7247\uff0c\u5207\u5f00\u7684\u90e8\u5206\u518d\u8fdb\u884c\u5206\u6790\u5904\u7406\u3002<\/p>\n\n\n\n
    1\u3001\u57fa\u672c\u7528\u6cd5<\/h3>\n\n\n\n
    awk [\u9009\u9879\u53c2\u6570] \u2018pattern1{action1} pattern2{action2}…\u2019 filename<\/p>\n\n\n\n
    pattern\uff1a\u8868\u793aAWK\u5728\u6570\u636e\u4e2d\u67e5\u627e\u7684\u5185\u5bb9\uff0c\u5c31\u662f\u5339\u914d\u6a21\u5f0f<\/p>\n\n\n\n
    action\uff1a\u5728\u627e\u5230\u5339\u914d\u5185\u5bb9\u65f6\u6240\u6267\u884c\u7684\u4e00\u7cfb\u5217\u547d\u4ee4<\/p>\n\n\n\n
    \u4f7f\u7528-F\u53c2\u6570\u6307\u5b9a\u5206\u9694\u7b26\u3002<\/p>\n\n\n\n
    awk\u547d\u4ee4\u7684\u5185\u7f6e\u53d8\u91cf\u5305\u62ec\uff1a<\/p>\n\n\n\n
    \u53d8\u91cf\u540d<\/th>\u8bf4\u660e<\/th><\/tr><\/thead>
    FILENAME<\/td>\u6587\u4ef6\u540d<\/td><\/tr>
    NR<\/td>\u5df2\u8bfb\u53d6\u7684\u8bb0\u5f55<\/td><\/tr>
    NF<\/td>\u6d4f\u89c8\u8bb0\u5f55\u7684\u57df\u7684\u4e2a\u6570\uff08\u5207\u5272\u540e\uff0c\u5217\u7684\u4e2a\u6570\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    2\u3001\u6d4b\u8bd5<\/h3>\n\n\n\n
    # \u51c6\u5907\u6570\u636e\n[root@hadoop101 datas]$ sudo cp \/etc\/passwd .\/\n\n# \u641c\u7d22passwd\u6587\u4ef6\u4ee5root\u5173\u952e\u5b57\u5f00\u5934\u7684\u6240\u6709\u884c\uff0c\u5e76\u8f93\u51fa\u8be5\u884c\u7684\u7b2c7\u5217\u3002\n[root@hadoop101 datas]$ awk -F ':' '\/root\/{print $7}' passwd \n\/bin\/bash\n\/sbin\/nologin\n\n# \u641c\u7d22passwd\u6587\u4ef6\u4ee5root\u5173\u952e\u5b57\u5f00\u5934\u7684\u6240\u6709\u884c\uff0c\u5e76\u8f93\u51fa\u8be5\u884c\u7684\u7b2c1\u5217\u548c\u7b2c7\u5217\uff0c\u4e2d\u95f4\u4ee5\u201c\uff0c\u201d\u53f7\u5206\u5272\u3002\n[root@hadoop101 datas]$ \/bin\/bash\n\/sbin\/nologin \nroot,\/bin\/bash\n\n# \u53ea\u663e\u793a\/etc\/passwd\u7684\u7b2c\u4e00\u5217\u548c\u7b2c\u4e03\u5217\uff0c\u4ee5\u9017\u53f7\u5206\u5272\uff0c\u4e14\u5728\u7b2c\u4e00\u884c\u663e\u793a\u5217\u540duser\u548cshell\u3002\u5728\u6700\u540e\u4e00\u884c\u6dfb\u52a0\"dahaige\uff0c\/bin\/zuishuai\"\u3002\n[root@hadoop101 datas]$ awk -F ':' 'BEGIN{print \"user\\tshell\"} \/root\/{print $1\"\\t\"$7} END{print \"pig\\t\/hello\/aaa\"}' passwd\nuser  shell\nroot  \/bin\/bash\noperator  \/sbin\/nologin\npig  \/hello\/aaa\n\n# \u8f93\u51fa\u4e24\u5217\u6570\u636e\u3002\u7b2c\u4e00\u5217\uff1a\u7528\u6237id\uff0c\u7b2c\u4e8c\u5217\u7528\u6237id+1\u7684\u7ed3\u679c\n[root@rich datas]# awk -F ':' '{print $3\" \"$3+1}' passwd\n0 1\n1 2\n2 3\n3 4\n4 5\n5 6\n\n\n# \u7edf\u8ba1 passwd \u6587\u4ef6\u540d\uff0c\u6bcf\u884c\u7684\u884c\u53f7\uff0c\u6bcf\u884c\u7684\u5217\u6570\n[root@rich workspace]# awk -F ':' '\/root\/{print FILENAME\" \"$1\" \"NR\" \"NF}' passwd\npasswd root 1 7\npasswd operator 10 7\n\n# \u5207\u5272IP\n[root@apple workspace]# ifconfig | awk -F \" \" '\/netmask\/{print $2}'\n192.168.41.100\n127.0.0.1\n192.168.122.1\n\n# \u67e5\u8be2sed.txt\u4e2d\u7a7a\u884c\u6240\u5728\u7684\u884c\u53f7\uff08\u9700\u8981\u5148\u51c6\u5907\u6587\u4ef6\uff0c\u5176\u4e2d\u5305\u62ec\u7a7a\u884c\uff09\n[root@hadoop101 datas]$ awk '\/^$\/{print NR}' sed.txt \n5\n<\/code><\/pre>\n\n\n\n
    Part06 \u5b57\u7b26\u4e32\u5904\u7406\uff1asort<\/h2>\n\n\n\n
    sort\u547d\u4ee4\u662f\u5728Linux\u91cc\u975e\u5e38\u6709\u7528\uff0c\u5b83\u5c06\u6587\u4ef6\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u5c06\u6392\u5e8f\u7ed3\u679c\u6807\u51c6\u8f93\u51fa\u3002<\/p>\n\n\n\n
    \u53c2\u6570\u540d<\/th>\u4f5c\u7528<\/th><\/tr><\/thead>
    -n<\/td>\u4f9d\u7167\u6570\u503c\u5927\u5c0f\u6392\u5e8f<\/td><\/tr>
    -r<\/td>\u76f8\u53cd\u987a\u5e8f\u6392\u5e8f<\/td><\/tr>
    -t<\/td>\u8bbe\u7f6e\u6392\u5e8f\u65f6\u4f7f\u7528\u7684\u5206\u9694\u5b57\u7b26<\/td><\/tr>
    -k<\/td>\u6307\u5b9a\u9700\u8981\u6392\u5e8f\u7684\u5217<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    # \u51c6\u5907\u6570\u636e\n[root@hadoop101 datas]$ touch sort.sh\n[root@hadoop101 datas]$ vim sort.sh \nbb:40:5.4\nbd:20:4.2\nxz:50:2.3\ncls:10:3.5\nss:30:1.6\n<\/code><\/pre>\n\n\n\n
    # \u6839\u636e\u5192\u53f7\u5207\u5206\uff0c\u6839\u636e\u7b2c2\u5217\u6392\u5e8f\u3002\u5217\u7684\u7d22\u5f15\u4ece1\u5f00\u59cb\u3002\n[root@rich workspace]# sort -t ':' -k 2 sort.txt \ncls:10:3.5\nbd:20:4.2\nss:30:1.6\nbb:40:5.4\nxz:50:2.3\n\n# \u5728\u4e0a\u4f8b\u57fa\u7840\u4e0a\u53cd\u5411\u6392\u5e8f\n[root@rich workspace]# sort -t ':' -rk 2 sort.txt \nxz:50:2.3\nbb:40:5.4\nss:30:1.6\nbd:20:4.2\ncls:10:3.5\n\n<\/code><\/pre>\n\n\n\n
    \u662f\u5426\u6839\u636e\u6570\u503c\u6392\u5e8f\u7684\u533a\u522b\uff1a<\/p>\n\n\n\n
    # \u4fee\u6539\u6d4b\u8bd5\u6570\u636e\nbb:40:5.4\nuu:2:6.8\nbd:20:4.2\nxz:50:2.3\ncls:10:3.5\nss:30:1.6\n\n<\/code><\/pre>\n\n\n\n
    # \u4e0d\u4f7f\u7528 -n \u53c2\u6570\uff0c\u6839\u636e\u5b57\u7b26\u6392\u5e8f\n# \u53ea\u6bd4\u8f83\u7b2c\u4e00\u4e2a\u5b57\u7b26\uff0c1 \u6bd4 2 \u5c0f\n[root@rich workspace]# sort -t ':' -k 2 sort.txt \ncls:10:3.5\nbd:20:4.2\nuu:2:6.8\nss:30:1.6\nbb:40:5.4\nxz:50:2.3\n\n<\/code><\/pre>\n\n\n\n
    # \u4f7f\u7528 -n \u53c2\u6570\uff0c\u6839\u636e\u6570\u503c\u6392\u5e8f\n# 2 \u6bd4 10 \u5c0f\n[root@rich workspace]# sort -t ':' -nk 2 sort.txt \nuu:2:6.8\ncls:10:3.5\nbd:20:4.2\nss:30:1.6\nbb:40:5.4\nxz:50:2.3\n\n<\/code><\/pre>\n\n\n\n
    Part07 \u5b57\u7b26\u4e32\u5904\u7406\uff1axargs<\/h2>\n\n\n\n
    1\u3001\u60c5\u666f\u4e3e\u4f8b<\/h3>\n\n\n\n
    \u2460\u521d\u59cb\u72b6\u6001<\/h4>\n\n\n\n
    \u67d0\u76ee\u5f55\u4e0b\u5305\u542b\u4e0b\u5217\u8d44\u6e90\uff1a<\/p>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    \u2461\u9700\u6c42<\/h4>\n\n\n\n
    \u7528\u4e00\u6761\u547d\u4ee4\u5220\u9664\u6240\u6709\u540d\u79f0\u4e2d\u5305\u542b\u201csad\u201d\u7684\u8d44\u6e90\uff0c\u4f46\u662f\u4fdd\u7559sad02<\/p>\n\n\n\n
    \u2462\u5206\u6b65\u5b9e\u73b0<\/h4>\n\n\n\n
    [1]\u5217\u51fa\u5168\u90e8\u8d44\u6e90<\/h5>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    [2]\u5217\u51fa\u540d\u79f0\u4e2d\u5305\u542b\u201csad\u201d\u7684\u8d44\u6e90<\/h5>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    [3]\u8fdb\u4e00\u6b65\u7b5b\u9009\u6392\u9664sad02<\/h5>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    \u6b64\u65f6\u6700\u7ec8\u7b5b\u9009\u7684\u7ed3\u679c\u6253\u5370\u5230\u4e86\u6807\u51c6\u8f93\u51fa\uff1astandard output\u3002\u901a\u8fc7\u7ba1\u9053\u7b26\u53f7\u53ef\u4ee5\u5c06\u6807\u51c6\u8f93\u51fa\u8f6c\u6362\u4e3a\u6807\u51c6\u8f93\u5165\uff1astandard input\u3002\u4f46\u662f\u5220\u9664\u547d\u4ee4rm\u4e0d\u63a5\u53d7\u6807\u51c6\u8f93\u5165\u4f5c\u4e3a\u53c2\u6570\uff0c\u53ea\u63a5\u53d7\u547d\u4ee4\u884c\u53c2\u6570\u3002\u4ec0\u4e48\u610f\u601d\u5462\uff1f<\/p>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    rm\u547d\u4ee4\u524d\u9762\u7684\u7ba1\u9053\u7b26\u53f7\u628a\u524d\u9762\u7684stdout\u8f6c\u6362\u4e3a\u4e86stdin\u518d\u4f20\u8f93\u7ed9rm\u547d\u4ee4\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5bf9\u4e8e\u6709\u4e9b\u547d\u4ee4\u53ef\u4ee5\uff0c\u4f46\u662f\u6709\u4e9b\u547d\u4ee4\u4e0d\u884c\u3002\u4f8b\u5982\uff1amkdir\u3001ls\u3001rm\u7b49\u547d\u4ee4\u90fd\u662f\u3002\u4ec0\u4e48\u662f\u547d\u4ee4\u884c\u53c2\u6570\u5462\uff1f<\/p>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    [4]\u4f7f\u7528xargs\u547d\u4ee4\u5c06stdin\u8f6c\u6362\u4e3a\u547d\u4ee4\u884c\u53c2\u6570<\/h4>\n\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    2\u3001\u7ed3\u8bba<\/h3>\n\n\n\n
    xargs\u547d\u4ee4\u7684\u4f5c\u7528\uff1a\u5c06\u7ba1\u9053\u7b26\u53f7\u63d0\u4f9b\u7684stdin\u6570\u636e\u8f6c\u6362\u4e3a<\/strong>\u540e\u9762\u547d\u4ee4\u7684\u547d\u4ee4\u884c\u53c2\u6570<\/strong>\u3002<\/p>\n\n\n\n
    3\u3001\u4f8b\u5b50<\/h3>\n\n\n\n
    basename\u3001dirname\u547d\u4ee4\u4e5f\u4e0d\u63a5\u53d7\u6807\u51c6\u8f93\u5165\uff0c\u5982\u679c\u6211\u4eec\u5e0c\u671b\u52a8\u6001\u5904\u7406\u8def\u5f84\u5b57\u7b26\u4e32\uff0c\u9700\u8981\u901a\u8fc7xargs\u8fdb\u884c\u8f6c\u6362\u3002<\/p>\n\n\n\n
    # \u5e0c\u671b\u5904\u7406\u7684\u8def\u5f84\u5b57\u7b26\u4e32\u7531pwd\u547d\u4ee4\u52a8\u6001\u83b7\u53d6\u7684\n[root@rich workspace]# pwd\n\/root\/workspace\n\n# \u628apwd\u547d\u4ee4\u7684\u7ed3\u679c\u901a\u8fc7\u7ba1\u9053\u76f4\u63a5\u8f93\u5165\u7ed9basename\u547d\u4ee4\uff0c\u4e0d\u63a5\u53d7\n[root@rich workspace]# pwd | basename\nbasename: \u7f3a\u5c11\u64cd\u4f5c\u6570\nTry 'basename --help' for more information.\n\n# \u901a\u8fc7xargs\u547d\u4ee4\u8f6c\u6362\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u89e3\u6790\u4e86\n[root@rich workspace]# pwd | xargs basename\nworkspace\n<\/code><\/pre>\n\n\n\n
    Part08 \u4f01\u4e1a\u9762\u8bd5\u771f\u9898<\/h2>\n\n\n\n
    1\u3001\u4eac\u4e1c<\/h3>\n\n\n\n
    \u2460\u95ee\u98981\uff1a<\/h4>\n\n\n\n
    \u4f7f\u7528 Linux \u547d\u4ee4\u67e5\u8be2 file1 \u4e2d\u7a7a\u884c\u6240\u5728\u7684\u884c\u53f7<\/p>\n\n\n\n
    [root@hadoop101 datas]$ awk -F ' ' '\/^$\/{print NR}' sed.txt \n5\n<\/code><\/pre>\n\n\n\n
    \u2461\u95ee\u98982\uff1a<\/h4>\n\n\n\n
    \u6709\u6587\u4ef6 chengji.txt \u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n\n\n\n
    \u5f20\u4e09 40<\/p>\n\n\n\n
    \u674e\u56db 50<\/p>\n\n\n\n
    \u738b\u4e94 60<\/p>\n\n\n\n
    \u4f7f\u7528Linux\u547d\u4ee4\u8ba1\u7b97\u7b2c\u4e8c\u5217\u7684\u548c\u5e76\u8f93\u51fa<\/p>\n\n\n\n
    # \u6267\u884c\u4e86\u8ba1\u7b97\uff0c\u4f46\u662f\u6ca1\u6253\u5370\n[root@rich workspace]# awk -F ' ' '{sum+=$2}' chengji.txt \n\n# \u5728\u6bcf\u4e00\u884c\u90fd\u505a\u4e86\u6253\u5370\n[root@rich workspace]# awk -F ' ' '{sum+=$2} {print sum}' chengji.txt \n40\n90\n150\n\n# \u53ea\u5728\u6700\u540e\u4e00\u884c\u6253\u5370\n[root@rich workspace]# awk -F ' ' '{sum+=$2} END{print sum}' chengji.txt \n150\n<\/code><\/pre>\n\n\n\n
    \u63d0\u51fa\u66f4\u9ad8\u8981\u6c42\uff1a\u4e0d\u4ec5\u6c42\u548c\uff0c\u8fd8\u8981\u6253\u5370\u539f\u59cb\u6570\u636e\u5185\u5bb9<\/p>\n\n\n\n
    [root@rich workspace]# awk -F ' ' '{sum+=$2} BEGIN{print \"\u59d3\u540d \u5206\u6570\"} {print $1\" \"$2} END{print \"\u603b\u5206 \"sum}' chengji.txt \n\u59d3\u540d \u5206\u6570\n\u5f20\u4e09 40\n\u674e\u56db 50\n\u738b\u4e94 60\n\u603b\u5206 150\n<\/code><\/pre>\n\n\n\n
    2\u3001\u65b0\u6d6a<\/h3>\n\n\n\n
    \u7528shell\u5199\u4e00\u4e2a\u811a\u672c\uff0c\u5bf9\u6587\u672c\u4e2d\u65e0\u5e8f\u7684\u4e00\u5217\u6570\u5b57\u6392\u5e8f<\/p>\n\n\n\n
    [root@CentOS6-2 ~]# cat test.txt\n9\n8\n7\n6\n5\n4\n3\n2\n10\n1\n\n# \u4ec5\u6392\u5e8f\n[root@rich workspace]# sort -n numbers.txt \n1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n\n# \u6392\u5e8f\u540e\u8fd8\u8981\u8ba1\u7b97\u603b\u548c\n[root@rich workspace]# sort -n numbers.txt | awk '{sum+=$1} END{print sum}'\n55\n\n# \u6253\u5370\u539f\u59cb\u6570\u636e\u548c\u603b\u548c\n[root@rich workspace]# sort -n numbers.txt | awk '{sum+=$1} {print \"\u539f\u59cb\u6570\u636e\uff1a\"1} END{print \"\u603b\u548c\uff1a\" sum}'\n\u539f\u59cb\u6570\u636e\uff1a1\n\u539f\u59cb\u6570\u636e\uff1a2\n\u539f\u59cb\u6570\u636e\uff1a3\n\u539f\u59cb\u6570\u636e\uff1a4\n\u539f\u59cb\u6570\u636e\uff1a5\n\u539f\u59cb\u6570\u636e\uff1a6\n\u539f\u59cb\u6570\u636e\uff1a7\n\u539f\u59cb\u6570\u636e\uff1a8\n\u539f\u59cb\u6570\u636e\uff1a9\n\u539f\u59cb\u6570\u636e\uff1a10\n\u603b\u548c\uff1a55\n\n<\/code><\/pre>\n\n\n\n
    3\u3001\u91d1\u548c\u7f51\u7edc<\/h3>\n\n\n\n
    \u8bf7\u7528shell\u811a\u672c\u5199\u51fa\u67e5\u627e\u5f53\u524d\u6587\u4ef6\u5939\uff08\/home\uff09\u4e0b\u6240\u6709\u7684\u6587\u672c\u6587\u4ef6\u5185\u5bb9\u4e2d\u5305\u542b\u6709\u5b57\u7b26\u201dshen\u201d\u7684\u6587\u4ef6\u540d\u79f0<\/p>\n\n\n\n
    # grep \u547d\u4ee4\u7684 -r \u53c2\u6570\u8868\u793a\u5728\u76ee\u5f55\u8303\u56f4\u5185\u67e5\u627e\n[root@hadoop101 datas]$ grep -r \"shen\" \/home | cut -d \":\" -f 1\n\/home\/qaqaq\/datas\/sed.txt\n\/home\/qaqaq\/datas\/cut.txt\n\n[root@hadoop101 datas]$ grep -r \"shen\" \/home | cut -d \":\" -f 1 | xargs basename\nsed.txt\ncut.txt\n\n<\/code><\/pre>\n\n\n\n
    # \u4f7f\u7528 grep \u547d\u4ee4\u521d\u6b65\u7b5b\u9009\n[root@rich workspace]# grep -r shen .\/\n.\/cut.txt:dong shen\n\n# \u4f7f\u7528 awk \u547d\u4ee4\u62c6\u5206\u5339\u914d\n[root@rich workspace]# grep -r shen .\/ | awk -F ':' '{print $1}'\n.\/cut.txt\n\n# \u518d\u901a\u8fc7 basename \u547d\u4ee4\u53ea\u622a\u53d6\u6587\u4ef6\u540d\u90e8\u5206\n[root@rich workspace]# grep -r shen .\/ | awk -F ':' '{print $1}' | xargs basename\ncut.txt\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
    Part01 \u6b63\u5219\u8868\u8fbe\u5f0f\u7b26\u53f7\u8bf4\u660e \u7b26\u53f7 \u542b\u4e49 ^ \u5339\u914d\u5b57\u7b26\u4e32\u5f00\u59cb\u4f4d\u7f6e\u7684\u5b57\u7b26 $ \u5339\u914d\u5b57\u7b26\u4e32\u7ed3\u675f\u4f4d\u7f6e\u7684\u5b57\u7b26 .  […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[67],"tags":[51],"class_list":["post-3406","post","type-post","status-publish","format-standard","hentry","category-linux-code","tag-linux"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/3406"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3406"}],"version-history":[{"count":3,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/3406\/revisions"}],"predecessor-version":[{"id":3421,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/3406\/revisions\/3421"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}