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...
PowerShell is supported on Windows, macOS, and a variety of Linux platforms. For more information, seeInstalling PowerShell. Upgrading PowerShell For best results when upgrading, you should use the same install method you used when you first installed PowerShell. The update method is different fo...
functionGet-MrParameterCount{param( [string[]]$ParameterName)foreach($Parameterin$ParameterName) {$Results=Get-Command-ParameterName$Parameter-ErrorActionSilentlyContinue [pscustomobject]@{ ParameterName =$ParameterNumberOfCmdlets =$Results.Count } } } ...
while (items != null && items.Count == 1) { // Increment the line number each time a line is // processed. lineNumber++; String message = String.Format("Testing line {0} : {1}", lineNumber, items[0]); WriteDebug(message); result = SelectString(items[0]); if (result !...
The call operator doesn't parse strings. This means that you can't use command parameters within a string when you use the call operator. PowerShell PS>$c="Get-Service -Name Spooler"PS>$cGet-Service-NameSpooler PS> &$c& : The term'Get-Service -Name Spooler'is not recognized as the...
SOURCESDIRECTORY:$Env:BUILD_SOURCESDIRECTORY"# Make sure there's a build numberif(-not$Env:BUILD_BUILDNUMBER) {Write-Error("BUILD_BUILDNUMBER environment variable is missing.")exit1}Write-Verbose"BUILD_BUILDNUMBER:$Env:BUILD_BUILDNUMBER"# Get and validate the version data$VersionData= [regex]::...
/How to call a function in another PowerShell script #TYPE System.Data.DataRow Is 1st line of SSMS To CSV %username% variable in Powershell + CategoryInfo : NotSpecified: (:String) [], RemoteException <' operator is reserved for future use $_ '-msDS-cloudExtensionAttribute1' attribute not...
Convert -ChildPath parameter to string[] for Join-Path cmdlet (#24677) (Thanks @ArmaanMcleod!)PowerShell 7.6-preview.4 includes the following updated modules:Microsoft.PowerShell.ThreadJob v2.2.0 ThreadJob v2.1.0 The ThreadJob module was renamed to Microsoft.PowerShell.ThreadJob. There is no...
This is a function namedGiveMeConnectionSource. It takes the connection string as a parameter. The function attempts to establish a connection to the database using a loop that allows for a maximum of 5 connection attempts. Inside the loop, it tries to open the S...
take a few pictures, and finish todaysWeekend Scripterarticle. Cool—when I am finished, I will swap batteries. However, unfortunately, there is no information that indicates if the computer is running on battery, or if it is on power. Oh, you are wondering about the batteryStatus pr...