[int] NOT NULL);"$sqlText2="IF NOT EXISTS (SELECT * FROM sys.tables WHERE object_id = object_id('Step2Table')) CREATE TABLE [dbo].[Step2Table]([TestId] [int] NOT NULL);"$job|Add-AzSqlElasticJobStep-Name"step1"-TargetGroupName$serverGroup.TargetGroupName-CredentialName$jobCred....
如果<condition>表达式为 true,则执行<if-true>表达式 如果<condition>表达式为 false,则执行<if-false>表达式 例如: PowerShell $message= (Test-Path$path) ?"Path exists":"Path not found" 在此示例中,当 返回 时,$message的值为Path exists。Test-Path$true$false返回 时Test-Path,的$messagePath not ...
$valueName = "指定值名称" $exists = $false # 遍历注册表项 Get-ChildItem -Path $registryPath | ForEach-Object { $subKey = $_.PSChildName # 判断指定值是否存在 if (Test-Path -Path "$registryPath\$subKey") { $value = Get-ItemProperty -Path "$registryPath\$subKey" -Name $valueName...
You can also use the Exists() method from the .NET System.IO.Directory class, which requires a full path: PS E:\temp> [System.IO.Directory]::Exists('E:\temp\') True PS E:\temp> [System.IO.Directory]::Exists('E:\temp') True If you want to check if the directory the script/p...
or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again. At line:1 char:1 + Get-MrPSVersion + CategoryInfo : ObjectNotFound: (Get-MrPSVersion:String) [], CommandNotFou ndException + FullyQualifiedErrorId : Command...
在 Python 中，我们可以使用反转和比较列表、使用 zip（） 函数、将列表转换为字符串等方法检查两个列表...
要做到这点,在管道中使用Where-Object来处理Dir返回的结果,然后再使用ForEach-Object,或者你自定义的管道过滤。 你还可以将多个Dir 命令执行的结果结合起来。在下面的例子中,两个分开的Dir命令,产生两个分开的文件列表。然后PowerShell将它们结合起来发送给管道进行深度处理。这个例子获取Windows目录和安装程序目录下的所...
ForEach-Object[-InputObject <PSObject>] [-MemberName] <String> [-ArgumentList <Object[]>] [-WhatIf] [-Confirm] [<CommonParameters>] PowerShell ForEach-Object-Parallel<scriptblock> [-InputObject <psobject>] [-ThrottleLimit <int>] [-TimeoutSeconds <int>] [-AsJob] [-UseNewRunspace] [...
TheUniqueparameter filters values after otherSelect-Objectparameters are applied. For example, if you use theFirstparameter to select the first number of items in an array,Uniqueis only applied to the selected values and not the entire array. ...
所在位置行:1字符:13+MyScript.ps1<<<+CategoryInfo:ObjectNotFound:(MyScript.ps1:String)[],CommandNotFoundException+FullyQualifiedErrorId:CommandNotFoundExceptionSuggestion[3,General]:未找到命令MyScript.ps1,但它确实存在于当前位置。WindowsPowerShell默认情况下不从当前位置加载命令。如果信任此命令,请改为键入...