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...
[String]$scriptName ) $cmdLine="""$scriptName""$args& set" &$Env:SystemRoot\system32\cmd.exe /c$cmdLine| select-string'^([^=]*)=(.*)$'|foreach-object{ $varName=$_.Matches[0].Groups[1].Value $varValue=$_.Matches[0].Groups[2].Value set-itemEnv:$varName$varValue } } 加载...
NAME Get-HotFix SYNOPSIS Gets the hotfixes that are installed on local or remote computers. SYNTAX Get-HotFix [-ComputerName <System.String[]>] [-Credential <System.Management.Automation.PSCredential>] [-Description <System.String[]>] [<CommonParameters>] Get-HotFix [[-Id] <System.String[]>...
Check if IIS running on a remote server check if object is $null Check if OS is 32bit or 64bit check If Process Is Running in another computer Check if SMB1 is enabled on the AD servers Check if string contains invalid characters Check if string starts with letter/character. check instal...
string, if needed.$connStr="Server = "+$serverName+"; Database = "+$databaseName+"; Integrated Security = True; TrustServerCertificate = True"$database=Get-SqlDatabase-ConnectionString$connStr# Create a SqlColumnMasterKeySettings object for your new column master key.$newCmkSettin...
Well, one very common task is determining whether or not a given substring can be found anywhere within that value. For example, suppose you need to know if the stringriptappears anywhere in the value of $a (which, as you might recall, is the string valueScripting Guys). How can we de...
or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again. At line:1 char:1 + Get-MrPSVersion + CategoryInfo : ObjectNotFound: (Get-MrPSVersion:String) [], CommandNotFou ndException + FullyQualifiedErrorId : Command...
Revert "Allow empty prefix string in 'Import-Module -Prefix' to overr… Apr 28, 2025 test Revert "Allow empty prefix string in 'Import-Module -Prefix' to overr… Apr 28, 2025 tools Update metadata.json (#25438) Apr 29, 2025
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...
public string InputObject; protected override void ProcessRecord() { if ( Parameter1 != null ) { WriteObject(Parameter1 + ":" + InputObject); } else { WriteObject(InputObject); } } } 发表在PowerShell 2010年04月21日 Powershell Function ...