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Windows Powershell Where-Object 條件過濾

過濾管道結(jié)果

使用Get-Process返回所有的當(dāng)前進(jìn)程，但是你可能并不對(duì)所有的進(jìn)程感興趣，然后通過每個(gè)Process對(duì)象的屬性進(jìn)行過濾。首先得知道每個(gè)對(duì)象支持那些屬性。

復(fù)制代碼代碼如下:

PS C:Powershell> Get-Process | select -First 1 | fl *

__NounName                 : Process
Name                       : AcroRd32
Handles                    : 287
VM                         : 234819584
WS                         : 32616448
PM                         : 63488000
NPM                        : 14584
Path                       : C:Program FilesAdobeReader 10.0ReaderAcroRd32
                             .exe
Company                    : Adobe Systems Incorporated
CPU                        : 96.5334188
FileVersion                : 10.1.2.45
ProductVersion             : 10.1.2.45
Description                : Adobe Reader
Product                    : Adobe Reader
Id                         : 4820
PriorityClass              : Normal
HandleCount                : 287
WorkingSet                 : 32616448
PagedMemorySize            : 63488000
PrivateMemorySize          : 63488000
VirtualMemorySize          : 234819584
TotalProcessorTime         : 00:01:36.5334188
BasePriority               : 8
ExitCode                   :
HasExited                  : False
ExitTime                   :
Handle                     : 3568
MachineName                : .
MainWindowHandle           : 198686
MainWindowTitle            : Mastering PowerShell - Adobe Reader
MainModule                 : System.Diagnostics.ProcessModule (AcroRd32.exe)
MaxWorkingSet              : 1413120
MinWorkingSet              : 204800
Modules                    : {System.Diagnostics.ProcessModule (AcroRd32.exe),
                             System.Diagnostics.ProcessModule (ntdll.dll), Syst
                             em.Diagnostics.ProcessModule (kernel32.dll), Syste
                             m.Diagnostics.ProcessModule (KERNELBASE.dll)...}
NonpagedSystemMemorySize   : 14584
NonpagedSystemMemorySize64 : 14584
PagedMemorySize64          : 63488000
PagedSystemMemorySize      : 302460
PagedSystemMemorySize64    : 302460
PeakPagedMemorySize        : 75399168
PeakPagedMemorySize64      : 75399168
PeakWorkingSet             : 87871488
PeakWorkingSet64           : 87871488
PeakVirtualMemorySize      : 257703936
PeakVirtualMemorySize64    : 257703936
PriorityBoostEnabled       : True
PrivateMemorySize64        : 63488000
PrivilegedProcessorTime    : 00:00:27.7057776
ProcessName                : AcroRd32
ProcessorAffinity          : 3
Responding                 : True
SessionId                  : 1
StartInfo                  : System.Diagnostics.ProcessStartInfo
StartTime                  : 2012/1/13 10:25:34
SynchronizingObject        :
Threads                    : {4376, 6636, 8096, 5136...}
UserProcessorTime          : 00:01:08.8276412
VirtualMemorySize64        : 234819584
EnableRaisingEvents        : False
StandardInput              :
StandardOutput             :
StandardError              :
WorkingSet64               : 32616448
Site                       :
Container                  :

根據(jù)進(jìn)程名過濾所有記事本進(jìn)程。

復(fù)制代碼代碼如下:

PS C:Powershell> Get-Process | Where-Object {$_.Name -eq "notepad"}

Handles NPM(K)    PM(K)      WS(K) VM(M)   CPU(s)     Id ProcessName
------- ------    -----      ----- -----   ------     -- -----------
    158       7     8800      37264   114    18.41   6204 notepad

根據(jù)進(jìn)程名過濾所有IE進(jìn)程。

復(fù)制代碼代碼如下:

PS C:Powershell> Get-Process | Where-Object {$_.Name -eq "iexplore"}

Handles NPM(K)    PM(K)      WS(K) VM(M)   CPU(s)     Id ProcessName
------- ------    -----      ----- -----   ------     -- -----------
    710      23    12832      18160   175    10.51   4204 iexplore
    971      39    81000     107580   399    22.20   6764 iexplore
    336      13    28516      20096   187     0.34   6792 iexplore
    929      35    51020      46568   314    10.42   7192 iexplore
    835      26    49200      32360   308     7.82   7952 iexplore

根據(jù)company過濾所有產(chǎn)品發(fā)布者以”Microsoft”打頭的進(jìn)程：

復(fù)制代碼代碼如下:

PS C:Powershell> Get-Process | Where-Object {$_.company -like '*Microsoft*' }|

select Name,Description,Company

msseces                    Microsoft Security Clie... Microsoft Corporation

notepad                    記事本                     Microsoft Corporation

ONENOTEM                   Microsoft OneNote Quick... Microsoft Corporation

OUTLOOK                    Microsoft Outlook          Microsoft Corporation

powershell                 Windows PowerShell         Microsoft Corporation

prevhost                   Preview Handler Surroga... Microsoft Corporation

RDCMan                     RDCMan                     Microsoft Corporation

SearchProtocolHost         Microsoft Windows Searc... Microsoft Corporation

taskhost                   Windows 任務(wù)的主機(jī)進(jìn)程     Microsoft Corporation

使用別名

因?yàn)閃here-Object的使用概率比較高，所以有一個(gè)很形象的別名？可以使用：

復(fù)制代碼代碼如下:

PS C:Powershell> Get-Service | ? {$_.Name -like "B*"}

Status   Name               DisplayName
------   ----               -----------
Running BDESVC             BitLocker Drive Encryption Service
Running BFE                Base Filtering Engine
Running BITS               Background Intelligent Transfer Ser...
Stopped Browser            Computer Browser
Stopped bthserv            Bluetooth Support Service

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