在Powershell中使用Group-Object和-GroupBy

時間 2019-12-13

標籤 powershell 使用 group object groupby 简体版

原文原文鏈接

使用Group-Object(group)按組統計spa

1 PS C:\> Get-Command -Module Microsoft.PowerShell.LocalAccounts | group Noun 2 
3 Count Name              Group                                                                                                                     
4 ----- ----              -----                                                                                                                     
5     3 LocalGroupMember  {Add-LocalGroupMember, Get-LocalGroupMember, Remove-LocalGroupMember}                                                     
6     7 LocalUser         {Disable-LocalUser, Enable-LocalUser, Get-LocalUser, New-LocalUser, Remove-LocalUser, Rename-LocalUser, Set-LocalUser}    
7     5 LocalGroup        {Get-LocalGroup, New-LocalGroup, Remove-LocalGroup, Rename-LocalGroup, Set-LocalGroup}

對統計的結果進行排序，注意：如下兩個語句是等效的code

 1 PS C:\> Get-Command -Module Microsoft.PowerShell.LocalAccounts | sort Noun | group Noun  2 
 3 Count Name              Group                                                                                                                     
 4 ----- ----              -----                                                                                                                     
 5     5 LocalGroup        {Get-LocalGroup, New-LocalGroup, Remove-LocalGroup, Rename-LocalGroup, Set-LocalGroup}                                    
 6     3 LocalGroupMember  {Add-LocalGroupMember, Get-LocalGroupMember, Remove-LocalGroupMember}                                                     
 7     7 LocalUser         {Disable-LocalUser, Enable-LocalUser, Get-LocalUser, New-LocalUser, Remove-LocalUser, Rename-LocalUser, Set-LocalUser}    
 8 
 9 
10 
11 PS C:\> Get-Command -Module Microsoft.PowerShell.LocalAccounts | group Noun | sort Name 12 
13 Count Name              Group                                                                                                                     
14 ----- ----              -----                                                                                                                     
15     5 LocalGroup        {Get-LocalGroup, New-LocalGroup, Remove-LocalGroup, Rename-LocalGroup, Set-LocalGroup}                                    
16     3 LocalGroupMember  {Add-LocalGroupMember, Get-LocalGroupMember, Remove-LocalGroupMember}                                                     
17     7 LocalUser         {Disable-LocalUser, Enable-LocalUser, Get-LocalUser, New-LocalUser, Remove-LocalUser, Rename-LocalUser, Set-LocalUser}

在Format-Table裏使用-GroupBy按組顯示結果，必須先對Groupby的字段進行排序，不然Groupby的字段不會顯示在一塊兒
orm

 1 PS C:\> Get-Command -Module Microsoft.PowerShell.LocalAccounts | sort Noun | ft -GroupBy Noun  2 
 3 
 4  Noun: LocalGroup  5 
 6 CommandType Name Version Source  7 -----------     ----                                               -------    ------                                                                      
 8 Cmdlet          Get-LocalGroup                                     1.0.0.0 Microsoft.PowerShell.LocalAccounts  9 Cmdlet          New-LocalGroup                                     1.0.0.0 Microsoft.PowerShell.LocalAccounts 10 Cmdlet          Remove-LocalGroup                                  1.0.0.0 Microsoft.PowerShell.LocalAccounts 11 Cmdlet          Rename-LocalGroup                                  1.0.0.0 Microsoft.PowerShell.LocalAccounts 12 Cmdlet          Set-LocalGroup                                     1.0.0.0 Microsoft.PowerShell.LocalAccounts 13 
14 
15  Noun: LocalGroupMember 16 
17 CommandType Name Version Source 18 -----------     ----                                               -------    ------                                                                      
19 Cmdlet          Add-LocalGroupMember                               1.0.0.0 Microsoft.PowerShell.LocalAccounts 20 Cmdlet          Get-LocalGroupMember                               1.0.0.0 Microsoft.PowerShell.LocalAccounts 21 Cmdlet          Remove-LocalGroupMember                            1.0.0.0 Microsoft.PowerShell.LocalAccounts 22 
23 
24  Noun: LocalUser 25 
26 CommandType Name Version Source 27 -----------     ----                                               -------    ------                                                                      
28 Cmdlet          Disable-LocalUser                                  1.0.0.0 Microsoft.PowerShell.LocalAccounts 29 Cmdlet          Enable-LocalUser                                   1.0.0.0 Microsoft.PowerShell.LocalAccounts 30 Cmdlet          Get-LocalUser                                      1.0.0.0 Microsoft.PowerShell.LocalAccounts 31 Cmdlet          New-LocalUser                                      1.0.0.0 Microsoft.PowerShell.LocalAccounts 32 Cmdlet          Remove-LocalUser                                   1.0.0.0 Microsoft.PowerShell.LocalAccounts 33 Cmdlet          Rename-LocalUser                                   1.0.0.0 Microsoft.PowerShell.LocalAccounts 34 Cmdlet          Set-LocalUser                                      1.0.0.0    Microsoft.PowerShell.LocalAccounts

Format-Table處理之後，通常不能再進行"|"操做，不然會出錯blog

 1 PS C:\> Get-Command -Module Microsoft.PowerShell.LocalAccounts | ft -AutoSize  2 
 3 CommandType Name Version Source  4 ----------- ----                    ------- ------                            
 5 Cmdlet      Add-LocalGroupMember    1.0.0.0 Microsoft.PowerShell.LocalAccounts  6 Cmdlet      Disable-LocalUser       1.0.0.0 Microsoft.PowerShell.LocalAccounts  7 Cmdlet      Enable-LocalUser        1.0.0.0 Microsoft.PowerShell.LocalAccounts  8 Cmdlet      Get-LocalGroup          1.0.0.0 Microsoft.PowerShell.LocalAccounts  9 Cmdlet      Get-LocalGroupMember    1.0.0.0 Microsoft.PowerShell.LocalAccounts 10 Cmdlet      Get-LocalUser           1.0.0.0 Microsoft.PowerShell.LocalAccounts 11 Cmdlet      New-LocalGroup          1.0.0.0 Microsoft.PowerShell.LocalAccounts 12 Cmdlet      New-LocalUser           1.0.0.0 Microsoft.PowerShell.LocalAccounts 13 Cmdlet      Remove-LocalGroup       1.0.0.0 Microsoft.PowerShell.LocalAccounts 14 Cmdlet      Remove-LocalGroupMember 1.0.0.0 Microsoft.PowerShell.LocalAccounts 15 Cmdlet      Remove-LocalUser        1.0.0.0 Microsoft.PowerShell.LocalAccounts 16 Cmdlet      Rename-LocalGroup       1.0.0.0 Microsoft.PowerShell.LocalAccounts 17 Cmdlet      Rename-LocalUser        1.0.0.0 Microsoft.PowerShell.LocalAccounts 18 Cmdlet      Set-LocalGroup          1.0.0.0 Microsoft.PowerShell.LocalAccounts 19 Cmdlet      Set-LocalUser           1.0.0.0 Microsoft.PowerShell.LocalAccounts 20 
21 
22 
23 PS C:\> Get-Command -Module Microsoft.PowerShell.LocalAccounts | ft -AutoSize | sort Name 24 
25 out-lineoutput : The object of type "Microsoft.PowerShell.Commands.Internal.Format.FormatEntryData" is not valid or not in the 26 correct sequence. This is likely caused by a user-specified "format-*" command which is conflicting with the default formatting 27 . 28     + CategoryInfo          : InvalidData: (:) [out-lineoutput], InvalidOperationException 29     + FullyQualifiedErrorId : ConsoleLineOutputOutOfSequencePacket,Microsoft.PowerShell.Commands.OutLineOutputCommand

有時候雖然能執行，但結果也和預期不符排序

 1 PS C:\> Get-Command -Module Microsoft.PowerShell.LocalAccounts | ft -AutoSize | group Noun  2 
 3 Count Name Group  4 ----- ----                      -----                                                                                          
 5    19 {Microsoft.PowerShell.Commands.Internal.Format.FormatStartData, Microsoft.PowerShell.Command...  6 
 7 
 8 
 9 PS C:\> $data = Get-Command -Module Microsoft.PowerShell.LocalAccounts | ft -AutoSize | group Noun 10 
11 PS C:\> $data.Group 12 
13 CommandType Name Version Source 14 ----------- ----                    ------- ------                            
15 Cmdlet      Add-LocalGroupMember    1.0.0.0 Microsoft.PowerShell.LocalAccounts 16 Cmdlet      Disable-LocalUser       1.0.0.0 Microsoft.PowerShell.LocalAccounts 17 Cmdlet      Enable-LocalUser        1.0.0.0 Microsoft.PowerShell.LocalAccounts 18 Cmdlet      Get-LocalGroup          1.0.0.0 Microsoft.PowerShell.LocalAccounts 19 Cmdlet      Get-LocalGroupMember    1.0.0.0 Microsoft.PowerShell.LocalAccounts 20 Cmdlet      Get-LocalUser           1.0.0.0 Microsoft.PowerShell.LocalAccounts 21 Cmdlet      New-LocalGroup          1.0.0.0 Microsoft.PowerShell.LocalAccounts 22 Cmdlet      New-LocalUser           1.0.0.0 Microsoft.PowerShell.LocalAccounts 23 Cmdlet      Remove-LocalGroup       1.0.0.0 Microsoft.PowerShell.LocalAccounts 24 Cmdlet      Remove-LocalGroupMember 1.0.0.0 Microsoft.PowerShell.LocalAccounts 25 Cmdlet      Remove-LocalUser        1.0.0.0 Microsoft.PowerShell.LocalAccounts 26 Cmdlet      Rename-LocalGroup       1.0.0.0 Microsoft.PowerShell.LocalAccounts 27 Cmdlet      Rename-LocalUser        1.0.0.0 Microsoft.PowerShell.LocalAccounts 28 Cmdlet      Set-LocalGroup          1.0.0.0 Microsoft.PowerShell.LocalAccounts 29 Cmdlet      Set-LocalUser           1.0.0.0 Microsoft.PowerShell.LocalAccounts

最後，Group-Object(group)這個cmdlet在Microsoft.PowerShell.Utility這個Module裏，不在Microsoft.PowerShell.Core裏
ci

 1 PS C:\> Get-Command *-Object* | sort Source | ft -AutoSize  2 
 3 CommandType Name Version Source  4 ----------- ----                 ------- ------                      
 5 Cmdlet      ForEach-Object       3.0.0.0 Microsoft.PowerShell.Core  6 Cmdlet      Where-Object         3.0.0.0 Microsoft.PowerShell.Core  7 Cmdlet      Compare-Object       3.1.0.0 Microsoft.PowerShell.Utility  8 Cmdlet      Group-Object         3.1.0.0 Microsoft.PowerShell.Utility  9 Cmdlet      Measure-Object       3.1.0.0 Microsoft.PowerShell.Utility 10 Cmdlet      New-Object           3.1.0.0 Microsoft.PowerShell.Utility 11 Cmdlet      Register-ObjectEvent 3.1.0.0 Microsoft.PowerShell.Utility 12 Cmdlet      Select-Object        3.1.0.0 Microsoft.PowerShell.Utility 13 Cmdlet      Sort-Object          3.1.0.0 Microsoft.PowerShell.Utility 14 Cmdlet      Tee-Object           3.1.0.0 Microsoft.PowerShell.Utility 15 
16 
17 
18 PS C:\> Alias | where DisplayName -like "*Object*" | select Definition, Name | sort Definition 19 
20 Definition Name 21 ----------       ----   
22 Compare-Object compare 23 Compare-Object diff 24 ForEach-Object %      
25 ForEach-Object foreach
26 Get-WmiObject gwmi 27 Group-Object group 28 Measure-Object measure 29 Remove-WMIObject rwmi 30 Select-Object select 31 Sort-Object sort 32 Tee-Object tee 33 Where-Object     ?      
34 Where-Object     where

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