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...
Use a Conditional Statement to Check if a String Variable Is Not Null or Empty in PowerShell We have created a string variable,$string. $string="Hello World" The following example checks if a$stringvariable is null or not in PowerShell. It returns the first statement if the variable is ...
Array Dropdown set to a variable Array to string and spaces Array to string using newlines possible? Asset Inventory - Assistance with Powershell Script ASSIGN AN HTML BLOCK TO A VARIABLE Assigning a timeout to invoke-command Assigning Multiple Values to One Variable Assigning permissions to fol...
To check if a specific service is running in PowerShell: Get a service object of a service name WSearch and save it in a variable. Use the if-else block to assess a service object’s Length property (here, we used the service object created in the previous step). Print Running if ...
In the first part of the code, we initialize a primitiveintvariable namedprimitiveIntwith the value0, demonstrating a standard usage of a primitive integer. Moving on to the second part, we declare anIntegerobject callednullableIntand set it tonull, introducing the concept of nullable integers ...
if($null-ne$listItem) { # Update item Set-PnPListItem-List$ListName-Identity$listItem.Id-Values$itemValue Write-Host"Updated site:$Title"-ForegroundColor Yellow }else{ # Add item Add-PnPListItem-List$ListName-Values$itemValue Write-Host"Added site:$Title"-ForegroundColor Green ...
Check if linq result is null. check if the data column and the data row have the same value in a datatable check if the datarow has values in datatable check if the result is integer or not check if variable is number in C# Check if vb.net string contains any letters or numbers Ch...
$_: This is a special variable in PowerShell that represents the current object in the pipeline. When used inside the script block of Where-Object, it refers to each element of $array as it’s processed. -eq: This is the equality operator in PowerShell. It checks if the left-hand sid...
Checks if the value is not null by testing whether it is of type object. (Relies on the fact that null values are not of type object.) Is Nullif(variable == null) return true The only way to check for null beforeC# 7.0. However, because the equality operator can be overridden, this...
Security governance has been top of mind for most since the onslaught of human malware has the masses working from home. This comes with new concerns...