除了Trim()函数,还可以使用TrimStart()函数和TrimEnd()函数分别删除字符串开头和结尾的空字符。 代码语言:txt 复制 $trimmedStartString = $originalString.TrimStart() $trimmedEndString = $originalString.TrimEnd() 这些函数可以帮助我们在PowerShell中处理字符串时避免空字符带来的问题,确保数据的准确性和一致性。
(String.IsNullOrEmpty(drive.Root) || (File.Exists(drive.Root) ==false)) { WriteError(newErrorRecord(newArgumentException("drive.Root"),"NoRoot", ErrorCategory.InvalidArgument, drive));returnnull; }// Create a new drive and create an ODBC connection to the new drive.AccessDBPSDriveI...
若要调用具有参数的脚本,需要提供名称和值。 假设上面的脚本称为CreateFile.ps1。 可按以下方式对它进行命名: ./CreateFile.ps1 -Path './newfile.txt' # File ./newfile.txt was created. ./CreateFile.ps1 -Path './anotherfile.txt' # File ./anotherfile.txt was created. 1. 2. 由于使用了参数,...
Create(Runspace) Constructs an empty PowerShell instance and associates it with the provided Runspace; a script or command must be added before invoking this instance. Create(RunspaceMode) Constructs an empty PowerShell instance; a script or command must be added before invoking this instance. ...
PowerShell 複製 Write-Progress [-Activity] <String> [[-Status] <String>] [[-Id] <Int32>] [-PercentComplete <Int32>] [-SecondsRemaining <Int32>] [-CurrentOperation <String>] [-ParentId <Int32>] [-Completed] [-SourceId <Int32>] [<CommonParameters>]...
Functions create a new scope. The items created in a function, such as variables, exist only in the function scope. For more information, seeabout_Scopes. Find and manage functions using theFunction:drive All the functions and filters in PowerShell are automatically stored in theFunction:drive....
CreateRunspace(host, state)) { //同步打开运行空间。运行空间在使用之前必须打开。 runspace.Open(); //Create an empty pipeline using (Pipeline pipeline = runspace.CreatePipeline()) { //Commands--获取此管道的命令集合 //AddScript(String) Adds a new script command 添加一个新的脚本命令 pipeline....
(Test-Path$MyModulesPath)){New-Item-Path$MyModulesPath-ItemTypeDirectory}# create module and manifestfunctionCreate-MyModule([String]$ModuleName){New-Item-Path$MyModulesPath\$ModuleName-ItemTypeDirectory$ModulePath="$MyModulesPath\$ModuleName"New-Item-Path"$ModulePath\${ModuleName}.psm1"-Item...
[-SkipEmptyDirectories] [-PreserveDirectoryRoot] [-DisableRecursion] [-Append] [<CommonParameters>] Get-7Zip [-ArchiveFileName] <string[]> [-Password <string>] | [-SecurePassword <securestring>] [<CommonParameters>] Get-7ZipInformation [-ArchiveFileName] <string[]> [-Password <string>] |...
Get-Command|Out-File-FilePath.\Command.txtSelect-String-Path.\Command.txt-Pattern'Get','Set'-NotMatch TheGet-Commandcmdlet sends objects down the pipeline to theOut-Fileto create theCommand.txtfile in the current directory.Select-Stringuses thePathparameter to specify theCommand.txtfile. ThePatt...