testing for null in powershell

if (-not ([string]::IsNullOrEmpty($version))) { $request += "/" +...

if (-not ([string]::IsNullOrEmpty($version))) { $request += "/" + $version }. You can also use! as an alternative to -not.

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PowerShell handles this quite elegantly e.g.: In addition to [string]::IsNu...

PowerShell handles this quite elegantly e.g.: In addition to [string]::IsNullOrEmpty in order to check for null or empty you can cast a string to a.

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If your working a lot with parameters and inputs you need to check if varia...

If your working a lot with parameters and inputs you need to check if variables have the right value and are not "null". The normal if -eq "$null".

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If your working a lot with parameters and inputs you need to check if varia...

If your working a lot with parameters and inputs you need to check if variables have the right value and are not “null”. You can check that (check.

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Write-Host 'Variable is null' }. All variable test false in null ...

Write-Host 'Variable is null' }. All variable test false in null or empty. This is more readable and reliable and is how PowerShell was purposely.

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PowerShell is super, but its documentation is still lousy. You might think ...

PowerShell is super, but its documentation is still lousy. You might think that how to test a database field for a null value would be.

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In this post, I will show you how to verify if a string is empty, null or h...

In this post, I will show you how to verify if a string is empty, null or having white spaces using Powershell. Checking if a string is NULL or.

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$null is a reserved variable is powershell. So you can do this to check for...

$null is a reserved variable is powershell. So you can do this to check for null: if($myvariable -ne $null) { #Do stuff } Else { #Do other stuff }.

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Testing NULL values with Powershell. When a developer has to do an IT pro j...

Testing NULL values with Powershell. When a developer has to do an IT pro job, he does what he knows best: writing code. So I started with.

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Checking if a string is NULL or EMPTY is very common requirement in Powersh...

Checking if a string is NULL or EMPTY is very common requirement in Powershell script. If we do not checked that we will get some unwanted.

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Get to testing with the Get-Variable, PS drive and the -eq operator. When a...

Get to testing with the Get-Variable, PS drive and the -eq operator. When a variable doesn't exist, it technically has a value of $null. $null is.

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In this case, I had a nullable date column and I needed to check in PowerSh...

In this case, I had a nullable date column and I needed to check in PowerShell whether the field was in fact null or not. In SQL, I would have just.

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Learn the difference between a null, empty string, and white space value fo...

Learn the difference between a null, empty string, and white space value for a PowerShell variable and how to test for them.

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Should is used inside It blocks of a Pester test script. Uses PowerShell�...

Should is used inside It blocks of a Pester test script. Uses PowerShell's -gt operator to compare the two values. . Checks values for null or empty (strings).

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DBNull rather than being an actual PowerShell null value ($null). You can s...

DBNull rather than being an actual PowerShell null value ($null). You can see 3) Convert the variable into a string, then test for it being blank.

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