Using PowerShell to validate variable;

Using PowerShell to validate variable;

Here is one simple way to check if $variable does have value or not. This way is pretty simple and will be handy when adding  checks into your scripts.

# check if $myvar has a value $myvar = 'DATA' if(!$myvar){ Write-Host 'NULL' -ForegroundColor Red } # Same check adding else; if (!$myvar){ Write-Host 'NULL' -ForegroundColor Red }else{ Write-Host 'NOT NULL!!!' -ForegroundColor Green } # Check if $myvar has <ANY> value except $null $myvar if($myvar){ Write-Host 'My var value is <NULL>' -ForegroundColor Red } # Same check adding else; if ($myvar){ Write-Host 'NULL' -ForegroundColor Red }else{ Write-Host 'NOT NULL!!!' -ForegroundColor Green }

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