powershell 使用Write-Error改进捕获异常的输出格式正如您所注意到的，当您在catch块中调用Write-Error时...
但是根据我的测试,发现Write-Warning和Write-Error的输出最大宽度就是控制台的宽度(换行位置取决于控制台大小),超出即换行输出。 参考 https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.utility/write-warning?view=powershell-5.1
you can build a Try Catch block around the command (or commands) that might cause the error. The first stage is to surround the section of your script that may throw the error with a Try block. In our example the Get-Content line becomes: ...
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...
Trap如果 存在于高于 try的块中,并且当前范围内没有匹配catch块,Trap则 即使任何父范围都有匹配catch的块,也会控制 。 访问异常信息 catch在 块中,可以使用 (也称为 $PSItem)访问$_当前错误。 对象的类型为 ErrorRecord。 PowerShell 复制 try { NonsenseString } catch { Write-Host "An error ...
functionDo-Something{foreach($nodein1..6) {try{$result=Get-Something-Id$node} catch {Write-Verbose"[$result] not valid"}if($null-ne$result) {Update-Something$result} } } 此处的预期是Get-Something返回一个结果或一个可枚举的空值。 如果出现错误,我们会记录该错误。 然后,在处理结果之前,我们...
catch：用来进行某种异常的捕获，实现对捕获到的异常进行处理。 finally：有一些特定的代码无论异常...
Note the use of the try/catch statements, in order to add more information in case an error occurs. In this case I'm using WriteError instead of ThrowTerminatingError; this is because I don't need to stop the pipeline in case of a bad write....
$StatusCode = $Response.StatusCode } catch { $StatusCode = $_.Exception.Response.StatusCode.value__ } $StatusCode 404 终止错误由 catch 块捕获,该块从 Exception 对象检索 StatusCode。示例8:同时下载多个文件Invoke-WebRequest cmdlet 一次只能下载一个文件。 以下示例使用 Start-ThreadJob 创建多个线程作...
Recurse-ExpiringInDays0| where {$_.Issuer-eq($certCN)}if(($results-ne$null)){#Below necessary for Intune as of 10/2019 will only remediate Exit Code 1Write-Host"Match"Return$results.countexit1}else{Write-Host"No_Match"exit0} } catch{$errMsg=$_.Exception.MessageWrite-Error$errMsgexit...