Example 1: Join directory names This example joins directory names, wraps the output in double-quotes, and separates the directory names with a comma and space (,). The output is a string object. PowerShell Get-ChildItem-DirectoryC:\ |Join-String-PropertyName-DoubleQuote-Separator', '"PerfLog...
[String]-is[Type] 检测是否不是[string]类型 123-isnot[String] 其他运算符(Other operators)# & Call,用于执行命令,执行代码块 , Comma,逗号运算符,用于分隔数组元素等-fFormat,用于格式化字符串,和C#基本相同++ and--Increment and decrement-joinJoin &实例: 执行cmd命令 $command='ipconfig'&$command 执...
Convert -ChildPath parameter to string[] for Join-Path cmdlet (#24677) (Thanks @ArmaanMcleod!) PowerShell 7.6-preview.4 includes the following updated modules: Microsoft.PowerShell.ThreadJob v2.2.0 ThreadJob v2.1.0 The ThreadJob module was renamed to Microsoft.PowerShell.ThreadJob. There is...
To create a strongly typed array, that is, an array that can contain only values of a particular type, cast the variable as an array type, such as string[], long[], or int32[]. To cast an array, precede the variable name with an array type enclosed in brackets. For example:Power...
If you want to allow more than one value for theComputerNameparameter, use theStringdatatype but add square brackets ([]) to the datatype to allow an array of strings. PowerShell functionTest-MrParameterValidation{ [CmdletBinding()]param( [Parameter(Mandatory)] [string[]]$ComputerName)Write-...
-joinThe -join operator is the most obvious one so let's look at it first. I like the -join operator and use it often. It joins all elements in the array with the character or string that you specify.PowerShell Copy PS> $data = @(1,2,3,4) PS> $data -join '-' 1-2-3-...
问如何使用powershell从excel列读取唯一值ENimport io import pandas as pd diyun = pd.read_excel(io...
# Get All Virtual Machines on the Hyper-V Host$VirtualMachines=Get-VM# Add 'All' to the start of array of VM Names$VirtualMachinesNames= @("All")+$VirtualMachines.Name# Display the list in Grid$VMName=$VirtualMachinesNames|Out-GridView-Title"Select VM to export"-O...
As a binary operator, the comma creates an array or appends to the array being created. In expression mode, as a unary operator, the comma creates an array with just one member. Place the comma before the member. PowerShell $myArray=1,2,3$SingleArray= ,1Write-Output(,1) ...
It can also select unique objects from an array of objects or it can select a specified number of objects from the beginning or end of an array of objects. Select-String Finds text in strings and files. Select-Xml Finds text in an XML document. Send-MailMessage Sends an e-mail message...