如果<condition>表达式为 true,则执行<if-true>表达式 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 ...
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 ...
string assemblyPath = Path.Combine( _dependencyDirPath, $"{assemblyName.Name}.dll"); if (File.Exists(assemblyPath)) { // The ALC must use inherited methods to load assemblies. // Assembly.Load*() won't work here. return LoadFromAssemblyPath(assemblyPath); } // For other assemblies, ...
$AddModulesArray|ForEach-Object{If($_-notmatch $item){Write-Host Write-Host Installing $_ Install-Module-Name $_ Read-Host-Prompt"Press Enter to continue"}Else{If($_-match $item){Write-Host Write-Host $_ Already Exists Read-Host-Prompt"Press Enter to continue"}}} 此外,我知道使用`分隔...
如果<condition>運算式為 False,就會執行<if-false>運算式 例如: PowerShell $message= (Test-Path$path) ?"Path exists":"Path not found" 在此範例中,如果路徑存在,就會顯示Path exists。 如果路徑不存在,則會顯示找不到路徑。 如需詳細資訊,請參閱關於 If。
How To Check If A Folder Exists With PowerShell You can use something like this for verification on the command line: PS C:\> Test-Path C:\Windows True Remember that you need single or double quotes around the path if it contains a space. Single quotes are recommended, since they don'...
Remove-ItemProperty -Path 'HKCU:\Software\MyApp' -Name 'NewValue' #创建 DWord(32 位)注册表值:其中将 "注册表项路径" 替换为要创建值的注册表项路径,"值名称" 替换为要创建的值的名称,"数据" 替换为要设置的数值,例如:0、1、20 等。
WhatIfPreference False 查看变量类型 变量可以自动存储任何PowerShell能够识别的类型信息,可以通过$变量名.GetType()查看和验证PowerShell分配给变量的数据类型 PSC:/>$num=10PSC:/>$num.gettype()#方法不区分大小写IsPublicIsSerialNameBaseType---TrueTrueInt32System.ValueType 删除变量 如果不想继续使用自定义的变量...
{if($str){return$false}else{return$true}}if([System.IO.File]::Exists($FullPathOfCsvFile)-eq $true){if(IsNullOrEmpty($AdDomain)){Write-Host Domain Name不能为空return}if(IsNullOrEmpty($AdContainer)){Write-HostADContainer不能为空return}if($UseLoggedInUsersCredentials){$CurrentContext=Get-...
Get-MrComputerName : The term 'Get-MrComputerName' is not recognized as the name of a cmdlet, function, script file, 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-MrComputerNam...