PowerShell 具有包含英數位元和特殊字元的保留變數,例如$$、 $?$^$_ 和。 如需詳細資訊,請參閱 about_Automatic_Variables。例如,下列命令會建立名為的 save-items變數。 因為變數名稱包含連字元 () 特殊字元,因此需要大括號{}(-)。PowerShell 複製 ${save-items} = "a", "b",
如需PowerShell 中變數的詳細資訊,請參閱 about_Variables。 使用環境提供者和專案 Cmdlet PowerShell 的環境 提供者提供介面,讓您以類似文件系統磁碟驅動器的格式與環境變數互動。 它可讓您在 PowerShell 中取得、新增、變更、清除和刪除環境變數和值。 例如,若要建立 Foo 值為的 Bar環境變數: PowerShell ...
about_Automatic_Variables about_Booleans about_Break about_Built-in_Functions about_Calculated_Properties about_Calling_Generic_Methods about_Case-Sensitivity about_Character_Encoding CimSession简介 about_Classes about_Classes_Constructors about_Classes_Inheritance about_Classes_Methods about_Classes_Propertie...
自动变量$_或$PSItem包含管道中的当前对象,以便在 块中使用process。 自动$input变量包含仅适用于函数和脚本块的枚举器。 有关详细信息,请参阅about_Automatic_Variables。 在开头或管道外部调用 函数将执行块一process次。 在管道中process,块对到达函数的每个输入对象执行一次。
When you import variables and aliases from a module, they replace variables in the session with the same name. Cmdlet name resolution When you don't use the qualified name of a cmdlet, PowerShell checks to see if the cmdlet is loaded in the current session. If there are multiple modules ...
作为批处理的一种方式,它提供了一种更加方便的方法来操作计算机中的诸多文件和操作,可以很大程度上自动化很多繁琐的操作。从维护计算机的方向上,我们可以通过编写powershell脚本对诸多任务实施自动化,类似于Python,其语法简单,系统自动支持,因此十分强大。 基于Powershell的真实样本列表(部分) ...
Runs a script in the current scope so that any functions, aliases, and variables that the script creates are added to the current scope, overriding existing ones. Parameters declared by the script become variables. Parameters for which no value has been given become variables with no value. How...
This module contains a collection of functions, variables, and format files that you can use to enhance your PowerShell scripting work or get more done from a PowerShell prompt with less typing. Most of the commands are designed to work cross-platform. Please post any questions, problems, or...
DSC supports two different methods of operation. The simpler of the two methods is the push method, which is sometimes referred to aspush mode. In this mode, a configuration file is created and then pushed to target nodes on the network. ...
You can use array notation, such as $a[0] or $Error[1,2] to refer to specific errors stored in the variables. Note The custom error variable contains all errors generated by the command, including errors from calls to nested functions or scripts. -InformationAction Introduced in PowerShell...