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 SilentlyContinue) { "cmdName exists" }
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, ...
if (Test-Path -Path "C:/test/file.txt" -PathType Leaf) { "The file exists." } else { "The file does not exist." } ©著作权归作者所有,转载或内容合作请联系作者 1人点赞 powershell 更多精彩内容,就在简书APP "小礼物走一走,来简书关注我" ...
Check if a text file is blank in powershell check if computer exist in ou Check if drive exists, If not map Check if Email address exists in Office 365 and if exists, Create a Unique Email address Check if event log source exists for non admins Check if file created today and not 0...
$obj = \app\common\library\Email::instance(); $obj->p=889; if(isset($obj->p)){ ech...
Create A Directory If It Does Not Exist To create a directory if it does not exist, this is a very robust example of how you might want to handle it. Adapt to suit your needs. This code was put in the file "NewDirDemo.ps1" that you see me using below. ...
$files = Get-ChildItem -Path "C:\Path\To\Files" -Filter "*.txt" -Recurse foreach ($file in $files) { if ($file.Length -gt 100MB -and $file.LastWriteTime -lt (Get-Date).AddDays(-30)) { Write-Host "File $($file.Name) meets the condition." } } 上述代码使用Get-ChildItem命令...
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 ...
事实证明在操作上重定向和Out-File非常的类似:当PowerShell转换管道结果时,文件的内容就像它在控制台上面输出的一样。Set-Content稍微有所不同。它在文件中只列出目录中文件的名称列表,因为在你使用Set-Content时,PowerShell不会自动将对象转换成文本输入。相反,Set-Content会从对象中抽出一个标准属性。上面的情况下,...
By default, if a transcript file exists in the specified path, Start-Transcript will overwrite the file without warning. The–noClobberparameter lets you prevent Windows PowerShell from overwriting an existing file. And the–Appendparameter will add the new transcript to the end of an existing fil...