PowerShell tips to get the type of registry value _powershell

When you don't need to get the registry data type and as long as the value is very simple: you can use Get-itemproperty:

Copy Code code as follows:

Get-itemproperty-path Hklm:\software\microsoft\windows\currentversion\run

If you need to get the data type, you need only a few more steps:

Copy Code code as follows:

$key = Get-item-path Hklm:\software\microsoft\windows\currentversion\run

$key. GetValueNames () |
Foreach-object {
$ValueName = $_

$RV = 1 | Select-object-property Name, Type, Value
$rv. Name = $ValueName
$rv. Type = $key. Getvaluekind ($ValueName)
$rv. Value = $key. GetValue ($ValueName)
$rv
}

Access registry key values

In PowerShell, a user can access a registry key by using a virtual drive similar to HKCU: (as HKEY_CURRENT_USER) and HKLM: (on behalf of Hkey_local_matchine).
such as: Dir Registry::hkey_local_machine\software
In this way, users can easily copy and paste the key values in the registry, the user can obtain the registered file suffix through the following command:

Copy Code code as follows:

Dir registry::hkey_classes_root\.*-name | Sort-object

Reading registry key Values

In PowerShell, the user can process the contents of the registry as a virtual drive
The following get-regidtryvalues function enumerates all the key values stored under a registry key, as shown in the complete code:

Copy Code code as follows:

function Get-registryvalues ($key) {
(Get-item $key). GetValueNames ()
}

Get-registryvalues hklm:\software\microsoft\windows\currentversion
Get-registryvalue reads any registry key value and returns its contents, as shown in the complete code:
function Get-registryvalue ($key, $value) {
(Get-itemproperty $key $value). $value
}
Get-registryvalue ' Hklm:\software\microsoft\windows\currentversion '
Sm_gamesname

Write registry key value

Adding or modifying registry keys is also handy in PowerShell, and the following is the complete code that creates the name Set-registryvalue function to manipulate the registry key value:

Copy Code code as follows:

function Set-registryvalue ($key, $name, $value, $type = "String") {
if ((Test-path $key)-eq $false) {MD $key | Out-null}
Set-itemproperty $key $name $value-type $type
}
Set-registryvalue HKCU:\SOFTWARE\TESTABC myvalue Hello
Set-registryvalue HKCU:\SOFTWARE\TESTABC myvalue Dword
Set-registryvalue hkcu:\software\testabc myvalue '
([byte[]][char[]] "Hello" Binary

Remove registry key value

By Remove-item Delete the target registry key, the complete code for the function Remove-registrykey is as follows:

Copy Code code as follows:

function Remove-registrykey ($key) {
Remove-item $key-force
}
To delete a registry value through the Remove-itemproperty function, the complete code looks like this:
function Remove-registryvalue ($key, $value) {
Remove-itemproperty $key $value
}

Supports all PS versions