从PowerShell 3.0 开始,使用成员访问运算符访问列表集合上不存在的成员时,PowerShell 会自动枚举集合中的项,并尝试访问每个项上的指定成员。 有关详细信息,请参阅 about_Member Access_Enumeration。示例以下示例创建两个新文件,并将生成的对象存储在数组变量 $files 中。 由于数组对象没有 LastWriteTime 成员,因此将...
Delete folder based on date of creation of folder Delete Folders base on the Creation Time Delete permissions on a folder. Delete printers on remote computer Delete registry key owned by TrustedInstaller Deleting a file Access to the path is denied deleting empty lines in an excel file Deleting ...
If you have internet access, you can use the Online parameter instead. The Online parameter opens the help article in your default web browser. The online content is the most up-to-date content. The browser allows you to search the help content and view other related help articles. Note Th...
[string]$todaysDate='1/10/2020'$todaysDate??= (Get-Date).ToShortDateString()$todaysDate Output 1/10/2020 Null-conditional operators?.and?[] Note This feature was moved from experimental to mainstream in PowerShell 7.1. A null-conditional operator applies a member access,?., or element...
SharePont.Search.dll-help.xml 和 Microsoft.Office.Access.Server.dll-help.xml。通过键入以下内容,您可以了解哪些 cmdlet 使用哪个 XML 帮助文件: 复制 PS C:\Users\Peter>Get-Command-PSSnapin "Microsoft.SharePoint.PowerShell" | >>sort helpfile name| >>Format-Wide name -column 2 -groupby ...
FunctionGiveMeConnectionSource($connectionString){$NumberAttempts= 5for($i=1;$i-le[int]$NumberAttempts;$i++){try{$SQLConnection=New-ObjectSystem.Data.SqlClient.SqlConnection$SQLConnection.ConnectionString =$connectionString$start=get-date$SQLConnection.Open()$end=get-dat...
PS C:> Get-Date Tuesday, February 26, 2013 8:21:33 AM I think you get the idea. Besides retrieving information, Windows PowerShell can perform actions. For this next part, there are different commands to try depending on the version of Windows you’re using. ...
lifecycle whereby we match the lifecycle of the underlying .NET runtime that we distribute as part of PowerShell. This means that PowerShell 7.0 is a long-term servicing (LTS) release thatwill be supported for approximately 3 years from December 3, 2019(the release date of .NET Core 3.1)...
In versions prior to PowerShell 7.2, the nested scriptblock can't access the$test2variable and an error is thrown. Example 18: Creating multiple jobs that run scripts in parallel The ThrottleLimit parameter limits the number of parallel scripts running during each instance ofForEach-Object -Paral...
Windows PowerShell can access all the power and capability of Windows Management Instrumentation, or WMI. We describe not only how to use Windows PowerShell to access WMI, but also how to pass WMI objects and collections through the Windows PowerShell pipeline. We explore how to utilize WMI pr...