Variablecontents can't be modified at all. This option must already bespecified when the variable is created. Once specified thisoption cannot be changed. "Private" Thevariable is visible only in a particular context (localvariable). "AllScope" Thevariable is automatically copied in a new variab...
PowerShell 变量提供程序创建一个Variable:驱动器,该驱动器的外观和行为类似于文件系统驱动器,但它包含会话中的变量及其值。 若要更改为Variable:驱动器,请使用以下命令: PowerShell Set-LocationVariable: 若要列出驱动器中的Variable:项和变量,请使用Get-Item或Get-ChildItemcmdlet。
數值常值有兩種:integer 和 real。 兩者都可以有類型和乘數尾碼。整數常值整數常值可以用十進位、十六進位或二進位標記法寫入。十六進位常值前面會加上 0x ,而二進位常值前面會 0b 加上,以區別它們與十進位數。整數常值可以有類型尾碼和乘數尾碼。
For example, the string '1.0' is converted to an integer to be compared to the value 1. This example returns True. PowerShell Copy PS> 1 -eq '1.0' True In this example, the value 1 is converted to a string to be compared to string '1.0'. This example returns False. PowerShell...
Example 3: Invoke a script and pass in variable values from a string PowerShell Copy $StringArray = "MYVAR1='String1'", "MYVAR2='String2'" Invoke-Sqlcmd -Query "SELECT `$(MYVAR1) AS Var1, `$(MYVAR2) AS Var2" -Variable $StringArray Var1 Var2 --- --- String1 String...
This setting indicates whether a parameter accepts multiple parameter values. When a parameter accepts multiple values, you can type a comma-separated list as the value of the parameter in the command, or save a comma-separated list (an array) in a variable, and then specify the variable as...
It uses the job object in the $j variable to represent the job. You can also use a pipeline operator to send a job object to Receive-Job. PowerShell Copy Start-Job -ScriptBlock {Get-Process} -Name MyJob $j = Get-Job -Name MyJob $j Id Name PSJobTypeName State HasMoreData ...
A cast can also be performed when a variable is assigned to usingcast notation. Comma operator, 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 com...
integer number string array of integer values array of number values array of string values For non-array values, DSC sets the environment variable to the specified value as-is. When the data type is an array of values, DSC sets the environment variable as a comma-delimited string. For exam...
A set of PowerShell functions you might use to enhance your own functions and scripts or to facilitate working in the console. Most should work in both Windows PowerShell and PowerShell 7, even cross-platform. Any operating system limitations should be h