Here’s how you accomplish the same task in Windows PowerShell: 复制 $x[-1] What’s that? What about the second-to-the-last item in the array? No problem: 复制 $x[-2] Etc. But wait, there’s more. Suppose you’d like to echo back the value of items having the ind...
23.Get-PSDrive:获取当前会话中的 Windows PowerShell 驱动器 24.Get-Item:获取位于指定位置的项 25.Get-Process :获取在本地计算机或远程计算机上运行的进程 26.Get-Service : 获取本地或远程计算机上的服务 27.Get-Transaction :获取当前(活动)事务 28.Get-ExecutionPolicy :获取当前会话中的执行策略 二.Set类 ...
Item ParameterizedProperty 返回数组对应的 System.Management.Automation.PSMethodInfo 对象 Count Property 返回表示数组长度的整数。 IsFixedSize Property 返回一个 bool 值,该值指示 Array 是否具有固定大小 IsReadOnly Property 返回一个 bool 值,该值指示 Array 是否只可读取 IsSynchronized Property 返回一个 bool...
$array = 1..5 | ForEach-Object { "ATX-SQL-$PSItem" } 通常,当我们考虑使用管道时,我们会想到典型的 PowerShell 单行命令。 可以通过 foreach() 语句和其他循环来利用管道。 因此,我们可以将项放到管道中,而不是在循环中向数组添加项。PowerShell 复制 ...
8.Set-Item :将项的值更改为命令中指定的值 9.Set-Service :启动、停止和挂起服务并更改服务的属性 10.Set-Content :在项中写入内容或用新内容替换其中的内容 11.Set-ItemProperty :创建或更改某一项的属性值 12.Set-WmiInstance :创建或更新现有 Windows Management Instrumentation (WMI) 类的实例 ...
Negative numbers count from the end of the array. For example, -1 refers to the last element of the array. To display the last three elements of the array, in index ascending order, type:PowerShell Copy $a = 0 .. 9 $a[-3..-1] Output Copy ...
If there are no matches in the collection, comparison operators return an empty array. For example: PowerShell Copy $a = (1, 2) -eq 3 $a.GetType().Name $a.Count Output Copy Object[] 0 There are a few exceptions: The containment and type operators always return a Boolean ...
Selects objects from indexed collections, such as arrays and hash tables. Array indexes are zero-based, so the first object is indexed as[0]. You can also use negative indexes to get the last values. Hash tables are indexed by key value. ...
Change the value of an array element in ForEach loop? Changing contents of a text box multiple times in a powershell form Changing email Categories with PowerShell Changing file time Changing Local Group Policy and Local Security Policy via PowerShell Changing nth character for each item of a ...
I get that arrays are really simple in Windows PowerShell, but it seems that they are so simple that no one ever seems to tell us how to work with them. For example, I need to know how to add items to an array or how to change an item that is in an array. I have searched ...