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. [CmdletBinding()] Param( ...
如果文件夹已存在,Dir函数将生成null结果。...Dir(str, vbDirectory) If fol = "" Then MkDir "C:\MyFiles\" & Range("A" & i) Next i End Sub 在上面的示例中,需要检查...这5个文件夹的名字存储在工作表单元格区域A1:A5中。对于5个文件夹中已经存在的文件夹,代码将不起任何作用。然而,如果该...
Clear(cl)Removes all the resources from a container but does not delete the container. For example, theClear-Contentcmdlet removes the contents of a file but does not delete the file.Flush, Erase, Release, Unmark, Unset, Nullify Close(cs)Changes the state of a resource to make it i...
"Get-WmiObject not supported" when using WmiMonitorID class "make sure that the assembly containing this type is loaded" disagnostic "Register this connection's addresses in DNS" <- can this be set with Powershell? "Some or all identity references could not be translated." "Synchronize across...
$result = Dir C:autoexec.bat $result -is [array] False Use the construct @() if you’d like to force a command to always return its result in an array. This way the command will always return an array, even if the command returns only one result or none at all. This way you fi...
function mine { if ($this -eq $that){ get-service }} That’s a lot harder to read, debug, troubleshoot and maintain. While the space after the closing parentheses isn’t necessary, it does make your script easier to read. The indented code isn’t necessary, but it makes your script...
netsh advfirewall firewall add rule name=sshd dir=in action=allow protocol=TCP localport=22 Start sshd (this will automatically generate host keys under %programdata%\ssh if they don't already exist) net start sshd Optional To configure a default shell, see here To setup sshd service ...
Also, the no plurals thing: it doesn’t work. The convention in .NET is to signify collections as plurals, and PowerShell’s no-plurals policy is a real lump in the pudding. get-member would make a lot more sense if it were called get-members. ...
Here, too, we try to do smart matching: If you useSet-Location, we only display containers (folders), not files (items), since it wouldn’t make sense. Here’scd c:\ Path completion works for any PowerShell provider, not just the file system. Try:dir hklm:\ ...
True, a guiding principle of script design is that a script should be readable, but if you include a help function, you make life easier for users. The GetHelp function displays information in much the same way as the Get-Help cmdlet. Three sections of text are displayed: description, ...