if($a-gt2) {Write-Host"The value$ais greater than 2."}else{Write-Host("The value$ais less than or equal to 2,"+" is not created or is not initialized.") } 若要进一步优化此示例,可以使用elseif语句在 的值$a等于2时显示消息。 如下一个示例所示: ...
$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 $valueName...
则需要使用Registry::（即，Get-Item -Path "Registry::HKEY_LOCAL_MACHINE\Software\Micro..."）作为...
but')-join' 'if($null-eq$Book) {throw"$Prefixwas null"}if([string]::IsNullOrEmpty($Book.Title)) {throw"$PrefixTitle wasn't defined"}if([string]::IsNullOrEmpty($Book.Author)) {throw"$PrefixAuthor wasn't defined"}if([datetime]::MinValue-eq$Book.PublishDate) {throw"$PrefixPublishDate...
Q:I am having a problem trying to update the registry. I am using the New-ItemProperty cmdlet, but it fails if the registry key does not exist. I added the –Force parameter, but it still does not create the registry key. The error message says that it cannot find the path beca...
If the profile exists this command will return True; if it doesn’t exist, the command will return False. If this command returns False, you need to create the profile. Creating a profile in Windows XP is really easy. Simply type this at the command prompt: ...
If we know that the registry key value already exists and we want to modify the value, we can use the `Set-ItemProperty` cmdlet. Think of each Registry Value Entry as an attribute of a particular registry key. Scenario 2 Imagine you have a scenario where you want to update an existing ...
Alternatively, you can check your changes in the Registry Editor: Let’s walk through another example. If you wanted to change the value of a subkey named NewDWORD to 5678, you would use this cmdlet: Set-ItemProperty -Path "HKCU:\Software\MyNewApplication" -Name "NewDWORD" -Value 5678 ...
Adding the key and value This script shows how you can use the resource with thedsc resourcecommands to ensure theMyKeyregistry key exists with theMyValuevalue set to binary data0x00. With_ensureset toPresent, the resource adds the registry key and value if they don't exist. ...
there, or perhaps add the current stage to the registry... I'd code the max stage in to the script.. if you put that in the image, if you add a stage then you have to modify the image... where as if you do it in the script you change the value and add in the new stage....