PowerShell 复制 Remove-Variable -Path Variable:serv 使用-Force 参数删除变量此命令从当前会话中删除除 Options 属性值为 的 Constant变量之外的所有变量。 -Force如果没有 参数,命令不会删除其Options 属性值为 的ReadOnly变量。PowerShell 复制 Remove-Item Variable:* -Force ...
Reading a text file into an arrayOne of the more common storage formats for text data is in a file with separate lines treated as distinct data elements. The Get-Content cmdlet can be used to read an entire file in one step, as shown here:PowerShell Copy ...
In the function, you can use the $Size variable, which is the name defined for the parameter. To use this function, type the following command: PowerShell Copy Get-SmallFiles -Size 50 You can also enter a value for a named parameter without the parameter name. For example, the followi...
New-Variable Out-File Out-GridView Out-printer Out-String Read-Host Register-EngineEvent Register-ObjectEvent Remove-Alias Remove-Event Remove-PSBreakpoint Remove-TypeData Remove-Variable Select-Object Select-String Select-Xml Send-MailMessage
These commands set the value of the$descvariable toA description, and then gets the value of the variable. PowerShell Set-Variable-Name"desc"-Value"A description"Get-Variable-Name"desc"Name Value --- --- desc A description Example 2: Set a global, read-only variable This ...
New-Variable Out-File Out-GridView Out-printer Out-String Read-Host Register-EngineEvent Register-ObjectEvent Remove-Alias Remove-Event Remove-PSBreakpoint Remove-TypeData Remove-Variable Select-Object Select-String Select-Xml Send-MailMessage
After creating the empty array we use the Import-CSV cmdlet to read in the text file C:\Scripts\Test.txt and store the contents in a variable named $colStats. Incidentally, Import-CSV is a very underrated cmdlet. As long as your text file has a header line (which our text file does)...
This is the full path to the file that Windows PowerShell will try to run when it starts. Notice we said “try” to run. Here’s an interesting fact: just because you were able to find the profile doesn’t mean it actually exists. $profile is simply a built-in variable that contains...
We specify the path to the file using the $filePath variable. We use the Test-Path cmdlet to check if the file exists. If the file exists, we use Get-Content to read its content and pass it to Foreach-Object for processing. Inside the Foreach-Object script block, we use Write-Host...
If the SIP URI cannot be located by the Get-WMI -Query command, a Null value is returned to the $SipUserInfo variable and the Export-Csv command fails. We need a way to inform the user that they have entered the wrong information into the program. The PowerShell built-in error ...