Catch error from Invoke-RestMethod catch return value from script in batch file Catching errors and outputting to log file change a cell value in excel using powershell Change Baud Rate or Bits Per Second COM Port X with Powershell Change Cell Color in HTML Table when match a value Change c...
intmain(){return-1; } clang t.c ./a.exe echo$LASTEXITCODE -233 2). 创建进程,获取和输出进程对象的ExitCode属性: 执行方法: $process=Start-Process-FilePath"你的可执行文件路径"-ArgumentList"参数列表(如果有)"-NoNewWindow-PassThru-Wait # 获取 main() 函数的返回值 $exitCode=$process.ExitCo...
Once again, you can also use Get-Command to return a list of the actual parameter names, including the common, ones along with WhatIf and Confirm. PowerShell Copy (Get-Command -Name Test-MrSupportsShouldProcess).Parameters.Keys Output Copy ComputerName Verbose Debug ErrorAction WarningAction...
(string) ); line = line.Trim(' ','\t'); } catch (PSInvalidCastException ex) { WriteError(new ErrorRecord( ex, "CannotCastObjectToString", ErrorCategory.InvalidOperation, input) ); return null; } MatchInfo result = null; // If a scriptblock has been specified, call it // wit...
.IValidateSetValuesGenerator { [string[]] GetValidValues() { $SoundPaths = '/System/Library/Sounds/', '/Library/Sounds','~/Library/Sounds' $SoundNames = ForEach ($SoundPath in $SoundPaths) { If (Test-Path $SoundPath) { (Get-ChildItem $SoundPath).BaseNam...
A function can also be as complex as a cmdlet. Functions can return values that can be displayed, assigned to variables, or passed to other functions or cmdlets. You can use thereturnkeyword to return output. Thereturnkeyword doesn't affect or suppress other output returned from your function...
functionGet-ComObject { <#.Synopsis Returns a list of ComObjects .DESCRIPTION Thisfunctionhas two parameter sets, it can eitherreturnall ComObject or a sub-section by thefilterparameter. This information is gathered from the HKLM:\Software\Classes container. ...
可以使用return语句在退出函数的同时返回值,下例中的函数在集合中搜索对象:展开表 PS C:\> function Find-Object($target, $haystack) >> { >> foreach ($item in $haystack) >> { >> if($item -eq $target) >> { >> return $item >> } >> } >> } >> PS C:\> Find-Object 5 (2...
Script由普通的Function以及其他的逻辑语句(顺序、选择、循环)组成。 对pipeline input进行处理的script语句。其结构为 param(…) begin { … } process { … } end { … } PowerShell executes the begin statement when it loads your script, the process statement ...
param($ComputerName= $(throw"ComputerName parameter is required."))functionCanPing {$Error.Clear()$tmp=Test-Connection$ComputerName-ErrorActionSilentlyContinueif(!$?) {Write-Host"Ping failed:$ComputerName.";return$false}else{Write-Host"Ping succeeded:$ComputerName";return$true} }functionCanRemote...