PowerShell 复制 PS> [int[]] $numbers = 1,2,3 PS> [int[]] $numbers2 = 'one','two','three' ERROR: Cannot convert value "one" to type "System.Int32". Input string was not in a correct format." PS> [string[]] $strings = 'one','two','three' ArrayList...
PS> [int[]] $numbers = 1,2,3 PS> [int[]] $numbers2 = 'one','two','three' ERROR: Cannot convert value "one" to type "System.Int32". Input string was not in a correct format." PS> [string[]] $strings = 'one','two','three' ArrayList(陣列列表)將元素新增至陣列是其最大限...
Accessing and using array elementsReading an arrayYou can refer to an array using its variable name. To display all the elements in the array, invoke the array name. For example, $a is an array of the numbers 0 through 9:PowerShell Copy ...
Suppose we have an array with 100 items in it, and we need to echo back the value of items 37-79. If we want to, we can list each of those index numbers. Or, we can use the numeric range operator instead: Copy $a[37..79] Nice, huh? To add a little icing to the cake,...
To sort the random numbers, I use the Sort static method from the System.Array .NET Framework class. Because Sort is a static method, I need to use a double colon separator between the class name (in square brackets) and the method name. I supply the array of random numbers as an inp...
functionAdd-Numbers([int]$One, [int]$Two) {$One+$Two} While the first method is preferred, there's no difference between these two methods. When you run the function, the value you supply for a parameter is assigned to a variable that contains the parameter name. The value of that va...
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An array is a collection of elements, such as strings, numbers, or objects, stored in a single variable. In PowerShell, you can create an array by enclosing the elements in parentheses and separating them with commas. For example:
-match and -notmatch use regular expressions to search for pattern in the left-hand side values. Regular expressions can match complex patterns like email addresses, UNC paths, or formatted phone numbers. The right-hand side string must adhere to the regular expressions rules. Scalar example...
In other words, we’re going to get back one of those nicely-formatted numbers we’ve all been wishing for. So how exactly did we do that? To answer that question, let’s take a closer look at our formatting command. The heart-and-soul of our command is this little construction:“{...