You can change the elements in an array, add an element to an array, and combine the values from two arrays into a third array.To change the value of a particular element in an array, specify the array name and
Another powerful technique for looping through an array in PowerShell is by using the pipeline with theForEach-Objectcmdlet. The pipeline allows you to pass the array elements to theForEach-Objectcmdlet, which then executes a script block for each element. Here’s an example: $users = "John...
input: input-elements~opt~ signature-block~opt~ input-elements: input-element input-elements input-element input-element: whitespace comment token signature-block: signature-begin signature signature-end signature-begin: new-line-character # SIG # Begin signature block new-line-character signature: bas...
When an object isn't an indexed collection, using the index operator to access the first element returns the object itself. Index values beyond the first element return$null. PowerShell PS> (2)[0]2PS> (2)[-1]2PS> (2)[1]-eq$nullTrue PS> (2)[0,0]-eq$nullTrue ...
相反,使用Set-Content,Add-Content和Out-File这几条命令,而不使用重定向,可以有效地规避前面的风险。这三条命令都支持-encoding参数,你可以用它来选择字符集。 创建新驱动器 你可能会惊讶,PowerShell允许你创建新的驱动器。并且不会限制你只创建基于网络的驱动器。你还可以使用驱动器作为你的文件系统中重要目录,...
add columns into existing csv file from powershell script Add "Full Control" to a Folder Add a carriage return in a .csv file Add a Property to an Array that Adds a Range of IPs Add a URL rewrite condition on IIS using Powershell Add Array Items to Listbox Add blank column to csv ...
Select-XMLFinds text in an XML string or document. Send-MailMessageSends an e-mail message. Set-AclChanges the security descriptor of a specified resource, such as a file or registry key. Set-AliasCreates or changes an alias (alternate name) for a cmdlet or other command element in the ...
Send-MailMessage Sends an e-mail message. Set-Acl Changes the security descriptor of a specified resource, such as a file or a registry key. Set-Alias Creates or changes an alias (alternate name) for a cmdlet or command element. Set-AuthenticodeSignature Adds an Authenticode signature to a ...
TheContextparameter doesn't change the number of objects generated bySelect-String.Select-Stringgenerates oneMatchInfoobject for each match. The context is stored as an array of strings in theContextproperty of the object. When the output of aSelect-Stringcommand is sent down the pipeline to anot...
Change those parameters to an array When you’re working with a cmdlet, you’re working with the pipeline. Within the pipeline you may receive one object or a large array of them. In both cases you are dealing with an array of information, even if that array only contains one element. ...