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奇技淫巧️Linux三剑客grep/sed/awk超全

  • 2026-07-05 18:54:43
奇技淫巧️Linux三剑客grep/sed/awk超全

奇技淫巧❗️Linux三剑客grep/sed/awk超全

grep、sed、awk是Linux文本处理的三大神器，分别擅长过滤、替换和列处理。掌握它们，能大幅提升日志排查、配置修改和数据统计效率。掌握这些命令，能快速解决运维和开发中的常见问题。

#Linux #Linux命令 #运维 #云计算
#服务器运维 #Shell脚本 #程序员干货 #学习笔记 #面试技巧

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  1. CONNECT:[ UseTime:0.001307s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001858s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000896s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000851s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001474s ]
  6. SELECT * FROM `set` [ RunTime:0.000762s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001812s ]
  8. SELECT * FROM `article` WHERE `id` = 503588 LIMIT 1 [ RunTime:0.001176s ]
  9. UPDATE `article` SET `lasttime` = 1783264513 WHERE `id` = 503588 [ RunTime:0.001781s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000629s ]
  11. SELECT * FROM `article` WHERE `id` < 503588 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001264s ]
  12. SELECT * FROM `article` WHERE `id` > 503588 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001503s ]
  13. SELECT * FROM `article` WHERE `id` < 503588 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001976s ]
  14. SELECT * FROM `article` WHERE `id` < 503588 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.005055s ]
  15. SELECT * FROM `article` WHERE `id` < 503588 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.013830s ]
0.223089s