if (Test-Path -Path $Folder) { “Path exists!” } else { “Path doesn’t exist.” } $File = ‘C:\Windows\a.txt’ if (Test-Path -Path $File) { “File exists!” } else { “File doesn’t exist.” } 判断命令是否存在 $cmdName = nslookup if (Get-CommandcmdName -errorAction ...
如果<condition>表达式为 false,则执行<if-false>表达式 例如: PowerShell $message= (Test-Path$path) ?"Path exists":"Path not found" 在此示例中,当 返回 时,$message的值为Path exists。Test-Path$true$false返回 时Test-Path,的$messagePath not found值为 。
Select-Str -Path "SelectStrCommandSample.cs" -Script { if ($args[0] -cmatch "Pos"){ return $true } return $false } 将显示以下输出。 输出 复制 IgnoreCase : True LineNumber : 37 Line : Position = 0. Path : C:\PowerShell-Progs\workspace\Samples\SelectStr\SelectStrCommandSamp...
In this little article, I describe how to use the cmdletTest-Pathto check whether a folder exists. Type "Get-Help Test-Path" for built-in information. I also briefly demonstrate how to use the .NET class method Exists() from the class System.IO.Directory. The Test-Path cmdlet returns a...
If a parameter is not positional, you leave off the Position attribute and use the parameter name from the command line to provide a value.The documentation recommends that you make frequently used parameters positional whenever possible. The only problem with this guidance is that if you have ...
["False"]]}},"id":"/subscriptions/00000000-1111-2222-3333-444444444444/resourceGroups/vulnerabilityaseessmenttestRg/providers/Microsoft.Sql/serv ers/vulnerabilityaseessmenttest/databases/db/sqlVulnerabilityAssessments/Default/baselines/Default","name":"Default","type":"Microsoft.Sql/servers/databases/...
[ADMIN]: PS C:\ps-test> 以下prompt函数显示下一个命令的历史记录 ID。 若要查看命令历史记录,请使用Get-Historycmdlet。 PowerShell functionprompt {# The at sign creates an array in case only one history item exists.$history= @(Get-History)if($history.Count-gt0) {$lastItem=$history[$history...
The ArchiveDomain parameter specifies the domain in the cloud-based service where the archive that's associated with this mailbox exists. For example, if the SMTP email address of the user is tony@contoso.com, the SMTP domain could be archive.contoso.com. Only use this parameter if the arch...
New-Variable [-Name] <String> [[-Value] <Object>] [-Description <String>] [-Option <ScopedItemOptions>] [-Visibility <SessionStateEntryVisibility>] [-Force] [-PassThru] [-Scope <String>] [-WhatIf] [-Confirm] [<CommonParameters>]说明...
This following command checks if theDocumentsfolder exists in theC:\Newdirectory. Test-Path-Path"C:\New\Documents" Output: False Hence, theDocumentsfolder is not present in theC:\Newdirectory. If you want to return verbose information instead ofTrue/False, you can use theifstatement like this...