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Powershell-检查foreach中的变量值-如果没有值,则记录其他输出

powershell

0

rad_ · 技术社区 · 7 年前

$UninstallKeys = Get-ChildItem 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall'
foreach($Key in $UninstallKeys){

if($Key.GetValue("DisplayName") -Match "BeyondTrust"){

    $PBW = $Key.GetValue("DisplayName")
    $PBWV = $Key.GetValue("DisplayVersion")


        if ($PBW) {

            $PBW = $PBW, $PBWV

        }
        else {

            $PBW = "PowerBroker not installed."
            $installsmissing = "True"
        }
}

1 回复 | 直到 7 年前

1

0

gvee 7 年前

$displayName = "BeyondTrust"

$uninstallKeys = Get-ChildItem -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall"

# Filter the keys down by their display name property
$specificUninstallKeys = $uninstallKeys |
    Where-Object {
        $_.GetValue("DisplayName") -eq $displayName
    }

# Did we find any keys of that name?
if ($specificUninstallKeys) {
    Write-Output "Keys found: $($specificUninstallKeys.Length)"
}
else {
    Write-Output "Sorry pal, no keys by that name here!"
}

# There may be more than one; hence the loop-y requirement here.
foreach ($specificUninstallKey in $specificUninstallKey) {
    Write-Output $displayName
    Write-Output $specificUninstallKey.GetValue("DisplayVersion")
}