Write-Output,带有 NoEnumerate 参数。 还可以使用带有 Write-Output 参数的 cmdlet。 以下示例使用 Measure-Object cmdlet 对通过 return 关键字从示例函数发送到管道的对象进行计数。 PowerShell 复制 function Test-Return { $array = 1, 2, 3 return
PSD:\>$exitCode=$process.ExitCode PSD:\>Write-Output"程序退出代码:$exitCode" 程序退出代码: PSD:\>$process=Start-Process-FilePath"./a.exe"-NoNewWindow-PassThru-Wait a - b =255 PSD:\>$exitCode=$process.ExitCode PSD:\>Write-Output"程序退出代码:$exitCode""" 3. 获取程序执行耗时 在Li...
当VS Code 或脚本文件的编码与 PowerShell 应使用的编码不匹配时,会出现编码问题。 PowerShell 无法自动确定文件编码。 如果使用的字符不在7 位 ASCII 字符集中,则更可能出现编码问题。 例如: 扩展的非字母字符,如长破折号 (—)、不间断空格 () 或左双引号 (") ...
Kevin ***@***.***>; Mention ***@***.***> Subject: [EXTERNAL] - Re: [PowerShell/vscode-powershell] `Write-Output` broken (Issue #3991) CAUTION: This email originated from outside of the organization. Do
使用PowerShell脚本安装软件是一种自动化安装软件的方法。PowerShell是一种跨平台的脚本语言和命令行工具,可用于管理和自动化Windows操作系统。 脚本的一般步骤如下: 下载软件安装包:使用PowerShell的Invoke-WebRequest命令从网络下载软件安装包。可以使用该命令指定下载链接、保存路径等参数。 安装软件:使用PowerShell的Start...
Afunctionis a block of code that can be called by name. It can take input and return output. Functions are defined using thefunctionkeyword. Afilteris a type of function designed to process data from the pipeline. Filters are defined using thefilterkeyword. ...
Output intro --- Once upon a time... When an object isn't an indexed collection, using the index operator to access the first element returns the object itself. Index values beyond the first element return$null. PowerShell PS> (2)[0]2PS> (2)[-1]2PS> (2)[1]-eq$nullTrue PS> ...
As with cmdlets,functions can use parametersand return values that can be passed to other functions or cmdlets. By describing a parameter to the shell, admins can use any type of PowerShell parameters, such as named parameters, mandatory parameters and positional PowerShell parameters. ...
If a method doesn't return any output, it must have the Void output type. If a method doesn't explicitly define an output type, the method's output type is Void. For more information, see about_Classes_Methods. Class constructors Constructors enable you to set default values and validate...
Write-Output (Get-ChildItem $Destination) } } The following image illustrates using theCopy-RawItemfunction. The only code in theCopy-RawItemthat warrants explanation is the last few lines where error checking occurs. The MSDN documentation states that ifCopyFilereturns FALSE, an error occurred. ...