How can I check if JSON Value is empty in Powershell?

Question

Dear Stackoverflow Community

I wanted to know if there is a way to do the exact same thing as here:
checking if json value is empty
but in Powershell.

For Example my JSON File looks like this:

{
    "Username":  "",
    "Password":  ""
}

Now I want to check if the value of Username (for example) is empty or not.

I am working with the newest version of Powershell.
I have searched for a pretty long time and did not find anything, so I really hope you can help me.

Greetings

Martin

Welcome to stackoverflow.com. For any specific problem you are having please include a stackoverflow.com/help/minimal-reproducible-example. Please also read stackoverflow.com/help/how-to-ask and stackoverflow.com/help/dont-ask. Make sure that your questions are specific and not overly broad, see also stackoverflow.com/help/on-topic. Also, be sure to take the stackoverflow.com/tour (you get a badge!) — Daniel Björk
– Daniel Björk, Commented Aug 12, 2020 at 7:51

Daniel Björk · Accepted Answer · 2020-08-12 08:04:43Z

1

Its very easy in PowerShell, load the file, convert from Json check the value:

$myobject = Get-Content C:\temp\CheckEmpty.json | ConvertFrom-Json

if ($myobject.Username -eq "") {
    Write-Output "Username is empty"
}

answered Aug 12, 2020 at 8:04

Daniel Björk

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3 Comments

Martin Schmidt Over a year ago

Thanks for the great answer! But how would it look when I would want to check both Username and Password? Greetings

Daniel Björk Over a year ago

@MartinSchmidt You need to put some more effort into this and at least try to understand. ;) If you read the code you should be able to understand how to do it.

Martin Schmidt Over a year ago

Actually, I did find a solution. Kind of. I am now just checking if Username OR Password is empty. Still have not found a solution for AND OR yet

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