createArray() 说明 函数createArray()从输入值返回值数组。 可以使用此函数创建任何类型的数组。 输入值的类型必须相同 - 数字、字符串、对象或数组。 当输入值为对象或数组时,它们不需要是具有相同属性或相同类型的数组的对象。 当输入值为数组时,函数将返回数组数组。 示例 示例1 ...
a=New-Object'object[,]'2,2# create a 2x2 array of anything$a[0,0] =10# set to an int value$a[0,1] =$false# set to a boolean value$a[1,0] ="red"# set to a string value$a[1,1] =10.50D# set to a decimal valueforeach($ein$a) {# enumerate over the whole array$e...
You can use the array operator to create an array of zero or one object. For example:PowerShell Copy $a = @("Hello World") $a.Count Output Copy 1 PowerShell Copy $b = @() $b.Count Output Copy 0 The array operator is useful in scripts when you are getting objects, but ...
What is an array? Basic usage Arrays of Objects Operators Show 4 more Arrays are a fundamental language feature of most programming languages. They're a collection of values or objects that are difficult to avoid. Let's take a close look at arrays and everything they have to offer.Not...
function in a pipeline, the objects piped to the function are assigned to the$inputautomatic variable. The function runs statements with thebeginscript block before any objects come from the pipeline. The function runs statements with theendscript block when there are no more objects in the ...
Can you create an array of string values using this same approach? Of course you can; just make sure you enclose the string values in double quote marks: Copy $a = "one", "two", "three" Ah, good question: what if you do want to add a new item to the array? No problem; ...
It is not easy to delete elements from an array, but you can create a new array that contains only selected elements of an existing array. For example, to create the $t array with all elements in the $a array, except for the value at index position 2, type: ...
Array subexpression operator@( ) Returns the result of one or more statements as an array. The result is always an array of 0 or more objects. PowerShell PS>$list= @(Get-Process|Select-Object-First10;Get-Service|Select-Object-First10) PS>$list.GetType() IsPublic IsSerial Name BaseType ...
Reads a .pol file containing group policy registry entries and returns an array of objects each containing a registry setting. Syntax Parse-PolFile [-Path <string>] [<CommonParameters>] Parameter NameDescription PathSpecifies the path to the .pol file to be imported. ...
Because an array in Windows PowerShell can contain different types, the Sort-Object method may be the preferred way of sorting objects. This is because in using the default comparer, the Sort static method fails when the array contains different types. In the following example, I create an ...