Powershell 值为“False”的 WebAdministration IF 语句未按预期工作

Question

I'm not sure what I'm missing. This powershell seems to be working the opposite of what I expect. Anyone know why?

$loadUserProfileValue = Get-ItemProperty "IIS:\AppPools\.net v4.5" -Name processModel.loadUserProfile.Value
    Write-Host "Value: $loadUserProfileValue"
    IF ($loadUserProfileValue -eq "False") {
            Write-Host "Since Load User Profile is False, we will now set it to True"}

Here is my Output when Load User Profile is True

Value: True
Since Load User Profile is False, we will now set it to True

Here is my output when Load User Profile is False

Value: False

The value is being picked up correctly. The variable $loadUserProfileValue is correct. The IF Statement is working opposite of what I'm expecting.

I can swap it to be -ne "True" and it seems to work... but why does -eq "False" NOT work?

Answer 1

You're testing for a string value of false when the property is likely returning a boolean value. PowerShell's type-converter is likely what's responsible for this not throwing an error.

Change your test to use $false instead of 'false' and see if that resolves it. Here is a great article on this:

https://devblogs.microsoft.com/powershell/boolean-values-and-operators/

Answer 2

In PowerShell you use the Boolean data type like this: True = $true and False = $false .

In your case you have to change False to $false

$loadUserProfileValue = Get-ItemProperty "IIS:\AppPools\.net v4.5" -Name processModel.loadUserProfile.Value
Write-Host "Value: $loadUserProfileValue"
IF ($loadUserProfileValue -eq $false) {
        Write-Host "Since Load User Profile is False, we will now set it to True"}

There is already a question on that topic on Stack Overflow: Question