To create and initialize an array, assign multiple values to a variable. The values stored in the array are delimited with a comma and separated from the variable name by the assignment operator (=).For example,
If your variable is $null and you try to index it like an array, you get a System.Management.Automation.RuntimeException exception with the message Cannot index into a null array.powershell Copy PS> $empty = $null PS> $empty[0] Error: Cannot index into a null array. ...
This example assigns zero to the $a variable if the value of $b is less than zero. It assigns the value of $b to $a if the value of $b isn't less than zero. To assign an array (multiple values) to a variable, separate the values with commas, as follows: PowerShell Afrita ...
可以在管道中的每个对象或选定对象执行操作的命令中使用此变量$ARGSRepresents an array of the undeclared parameters and/orparametervalues that are passed to a function, script, or script block.$CONSOLEFILENAMERepresents the path of the console file (.psc1) that was most recently usedinthe session.$...
A PowerShell array is a component that enables the storage of more than one item in a variable or a field. For instance, to assign multiple values to a variable, use the script$a=1,2,3. PowerShell treats each item in an array as a separate element. To address each item in an arra...
A cast can also be performed when a variable is assigned to usingcast notation. Comma operator, As a binary operator, the comma creates an array or appends to the array being created. In expression mode, as a unary operator, the comma creates an array with just one member. Place the com...
借助PowerShell,可通过将赋值括在括号 () 内,在表达式中使用赋值。 PowerShell 会传递分配的值。 例如:PowerShell 复制 # In an `if` conditional if ($foo = Get-Item $PROFILE) { "$foo exists" } # Property access ($profileFile = Get-Item $PROFILE).LastWriteTime # You can even *assign* ...
When you use positional parameters, type one or more values after the function name. Positional parameter values are assigned to the$argsarray variable. The value that follows the function name is assigned to the first position in the$argsarray,$args[0]. ...
You can see what’s going on here: we’re taking our array ($arrColors) and “piping” it to the Sort-Object cmdlet. After Sort-Object sorts the items in the array, we then assign this new, sorted list back to $arrColors. So now what is $arrColors equal to? This: Copy black...
Following that we need to define several properties of our notice. In particular, we need to assign values to the following items: Property Description Icon This is the icon that appears in the notification area. The icon must be 16 pixels high by 16 pixels wide. If you have icon-editing...