PowerShell中进行文件读取，信息排序，分类计数。

 1 <#
 2     $logPath = "C:\Users\tylan\Desktop\mainlog.txt"
 3 #>
 4 function CheckInfo
 5 {
 6     param($logPath)
 7     $logContent = Get-Content $logPath
 8     $reg = "^.+@.+@.+@.+@.+$"
 9     $categories = "",""
10     foreach($log in $logContent)
11     {
12         if($log -match $reg)
13         {
14             $partialLog = $log.split("@")
15             $category = $partialLog[4]
16             $categories += $category
17         }
18     }
19     $sortResult = $categories|Sort-Object|Get-Unique
20     foreach($cate in $sortResult)
21     {
22         $cate|Add-Member -MemberType NoteProperty -Name "cateCount" -Value 0
23     }
24     foreach($category in $categories)
25     {
26         foreach($cate in $sortResult)
27         { 
28             if($category -eq $cate)
29             {
30                 $cate.cateCount ++
31             }
32         }
33     }
34     foreach($cate in $sortResult)
35     {
36         if($cate -ne "")
37         {
38             $cate + " : " + $cate.cateCount
39         }
40     }
41 }
42 $logPath = "C:\Users\tylan\Desktop\mainlog.txt"
43 CheckInfo $logPath