In PowerShell, checking if a variable is null (or in PowerShell terms, $null) is a fundamental task in scripting, especially when dealing with the output of commands, function returns, or processing user input. For instance, a variable storing data from database might be null if no data ...
Checking if a string is NULL or EMPTY is very common requirement in Powershell script. If we don’t do that we will end up with run time errors if we try to perform some operation on that string variable which is empty or null. So the question now is, how to check it? Well, belo...
If you want to check if the directory the script/program is currently in contains a subdirectory, you can use the trick I demonstrate below - where I check if there's a subdirectory called "Windows". In PowerShell, the namespace "System" doesn't have to be typed in explicitly, so you...
# Connect to the SharePoint Online siteConnect-PnPOnline-Url"https://yoursite.sharepoint.com/"-Interactive# Get the list object$list=Get-PnPList-Identity"yourList"# Check if an item with the same title exists in the list$existingItem=Get-PnPListItem-List$list-Query"<View><Query><Where>...
!!! powershell script to add a word in the beginning of the text file - URGENT !!! 'A positional parameter cannot be found that accepts argument '$null'. 'Name' Attribute cannot be modified - owned by the system 'set-acl.exe' not recognized as the name of a cmdlet, 'Set-ExecutionP...
if($ServiceApp -ne $null){ $ServiceApp.Status }else{ Write-Host "Service application either not found or not created!" } The script above checked the status of the Managed Metadata Services service application in SharePoint. First, we used Add-PSSnapin to add the SharePoint PowerShell snap...
This tutorial will introduce different methods to check if a string is not null or empty in PowerShell.
ExecuteReader returns null with output parameter? Executing C# thread on specific interval of time Executing PowerShell command with parameters from C# Executing PsExec within C# Executing T-SQL Scripts from C# Exhange 2010, This CA root Certificate is not trusted because it is not in the Trusted...
Enter PowerShell to the rescue to automate reporting of this process. The following script will report on your organizations MFA status per user and report on which users are admins. The latter being even more crucial that MFA is enabled. ...
We’ll start by loading the appropriate .NET assemblies used by SMO as defined in thisprevious tip. (If you read the other Windows PowerShell tips, you’ll see the repeating trend of using the same code for loading the SMO assemblies, creating a SQL Server instanc...