Write-Output的使用非常不可靠Write-Host* 是 * 生成（可能是彩色的）for-display输出的正确工具-而不...
仅当需要将格式化文本写入主机控制台,而不是将对象写入 Success 管道时,才应使用Write-Host命令。 对于特定主机(例如pwsh.exe、powershell.exe或powershell_ise.exe),Write-Host可能比[Console]::WriteLine()要慢一个数量级。 然而,[Console]::WriteLine()不保证在所有主机中都能正常工作。 此外,使用[Console]...
仅当需要将格式化文本写入主机控制台,而不是将对象写入 Success 管道时,才应使用Write-Host命令。 对于特定主机(例如pwsh.exe、powershell.exe或powershell_ise.exe),Write-Host可能比[Console]::WriteLine()要慢一个数量级。 然而,[Console]::WriteLine()不保证在所有主机中都能正常工作。 此外,使用[Console]::...
Given the info in #4204 I am pretty sure that the root cause I posted above must be the cause for you: it's only happening in PowerShell 5.1, and it's only affecting Out-Default (because you can get output from Write-Host and via OCGV). So it's possible we didn't get the bug...
Windows PowerShell 還允許您將放在雙引號內完整的運算式。 語法被從 Unix shell 把戲。 它看起來有點不可思議,但你會看到很多使用它的人: $disk = Get-WmiObject -class Win32_LogicalDisk -filter "DeviceID='C:'" Write-Host "Free space on drive C: at $($disk.freespace / $disk.size * 100) ...
Write-Host "I is 1" } Default { Write-Host "I is not 0 or 1" > } } Loops.Loops provide powerful means of evaluating and repeating complex tasks based on the state of parameters or variables. There are several different types of loops. Thewhilestatement repeats code as long as the fo...
Output Switch off Use splatting to pass parameter values You can use splatting to represent the parameters of a command. This feature is introduced in Windows PowerShell 3.0. Use this technique in functions that call commands in the session. You don't need to declare or enumerate the command...
profilepath = $MyInvocation.MyCommand.Path $transcriptFile = "C:\Contoso\Logs\Powershell_$profilename.log" Start-Transcript $transcriptFile -append -force Write-Output "Starting profile: $profilepath" 複製 # Command from SharePoint Server 2010 profile file - SharePoint.ps1 $ver = $host ...
$?is not set to$falsewhen native command writes tostderr. It is common for native commands to write tostderrwithout intending to indicate a failure.$?is set to$falseonly when the native command has a non-zero exit code. Make$ErrorActionPreferencenot affectstderroutput of native commands ...
profilepath = $MyInvocation.MyCommand.Path $transcriptFile = "C:\Contoso\Logs\Powershell_$profilename.log" Start-Transcript $transcriptFile -append -force Write-Output "Starting profile: $profilepath" 复制 # Command from SharePoint Server 2010 profile file - SharePoint.ps1 $ver = $host ...