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...
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 the ComputerName parameter, use the String datatype but add square brackets ([]) to the datatype to allow an array of strings. PowerShell Copy function Test-MrParameterValidation { [CmdletBinding()] param ( [Parameter(Mandatory)] [string[]]...
[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...
string-literal variable generic-token-char generic-token-char: Any Unicode character except { } ( ) ; , | & $ ` (The backtick character U+0060) double-quote-character single-quote-character whitespace new-line-character escaped-character generic-token-with-subexpr-start: generic-token-parts $...
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) ...
Use -join with -split 1 2 3 4 5 $string = "Java2blog" $string = -join ($string -split "a") $string OUTPUT 1 2 3 jv2blog Here, we used -join and -split operators to manipulate the $string variable. The -split was used to split the $string into an array of substring...
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...
Converts a string containing one or more "name=value" pairs to a hash table. Convert-Path Converts a path from a Windows PowerShell path to a Windows PowerShell provider path. ConvertTo-CSV Converts .NET objects into a series of comma-separated, variable-length (CSV) strings. ConvertTo-...
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...