The -PropertyType should just be String, it is failing because it does not understand what String Value is.If you find that my post has answered your question, please mark it as the answer. If you find my post t
Create A Directory If It Does Not Exist To create a directory if it does not exist, this is a very robust example of how you might want to handle it. Adapt to suit your needs. This code was put in the file "NewDirDemo.ps1" that you see me using below. [CmdletBinding()] Param( ...
Write-Host"Module '$mod' is already installed"}else{# Module does not exist,install it Write-Host"Installing '$mod'"Install-Module $mod}}}
Get-ChildItem : Cannot find path 'Get-MrPSVersion' because it does not exist. At line:1 char:1 + Get-ChildItem -Path Function:\Get-MrPSVersion + ~~~ + CategoryInfo : ObjectNotFound: (Get-MrPSVersion:String) [Get -ChildItem], ItemNotFoundException + FullyQualifiedErrorId : PathNot...
A common idiom (in the Bash world, which inspired PowerShell's && and || operators) is to conditionally exit a script when invocation of a command fails, along the lines of: # Assume existence of /somepath and exit, if it doesn't exist. ...
PS>if(36<42) {"true"}else{"false"} ParserError: Line |1|if(36<42) {"true"}else{"false"} | ~ | The'<'operator is reservedforfuture use. 如果数值比较是必需运算,-lt则应使用 和-gt。 有关详细信息,请参阅-gtabout_Comparison_Operators中的 运算符。
ENPowerShell 脚本执行策略用于控制何时以及何种方式执行 PowerShell 脚本。通过执行策略可以限制 PowerShell...
Get-ChildItem: Cannot find path 'C:\NotReal' because it does not exist If the error occurs during script execution or is a parsing error, PowerShell returns a multiline error message that contains the error, a pointer, and an error message showing where the error is in that line. If th...
Set-VariableSets the value of a variable. Creates the variable if one with the requested name does not exist. Set-WmiInstanceCreates or updates an instance of an existing WMI class. Set-WSManInstanceModifies the management information that is related to a resource. ...
Conversely,PowerShell(not Windows PowerShell) can be installed pretty much anywhere you like - if you're using the MSI-based installation. It just happens to default to%ProgramFiles%. You can exert a limited amount of control over Windows PowerShell logging by using the variables listed in th...