使用linux sort给一个文件里的内容按规则排序

本文转载自查看原文 2016-09-11 18:08 6661 linux

任务:report.txt文件里有以下内容：记录了一些方法的执行时间，要求按执行时间降序排列.

 1 void com.dustpan.zeus.core.service.MergeService.startService(int)|2
 2 void com.dustpan.zeus.core.service.InitShopDateService.startService(int)|1
 3 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|475
 4 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|96
 5 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|1013
 6 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|184
 7 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|729
 8 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|14
 9 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|394
10 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|90
11 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|569
12 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|796
13 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|1648
14 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|82
15 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|1018
16 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|14
17 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|937
18 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|17
19 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|601
20 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|52
21 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|5081
22 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|388
23 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|198
24 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|11
25 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|203
26 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|11
27 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|241
28 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|13
29 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|176
30 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|12
31 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|206
32 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|33
33 boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|242
34 boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|19

report.txt

linux命令方法： sort -run -k 2 -t '|' report.txt

原理:sort linux下的排序工具,参数解释:

　　-r　　降序排列

　　-u　　去重

　　-n　　以数字大小排序(默认是首字母排序)

　　-t　　指定分隔符这里我们指定'|'为分隔符

　　-k　　指定分隔后的第几位进行排序这里我们指定第2位

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