仔细使用 Write-Host 仅当需要将格式化文本写入主机控制台时,才应使用Write-Host命令,而不是将对象写入Success管道。 对于特定主机(如pwsh.exe、powershell.exe或powershell_ise.exe)而言,Write-Host可能比[Console]::WriteLine()慢一个数量级。 但是,不能保证[Console]::WriteLine()在所有主机中都正常工作。 ...
Write-Host cmdlet 的主要用途是生成 for-(host)-display-only 输出,例如提示用户与 Read-Host 一起输入时打印彩色文本等。 Write-Host 使用 ToString() 方法写入输出。 相比之下,若要将数据输出到管道,请使用 Write-Output 或隐式输出。 你可以使用 ForegroundColor 参
foreach ($file in $(Get-ChildItem $StartingDir -recurse)) { #display filename and old permissions write-Host -foregroundcolor Yellow $file.FullName #uncomment if you want to see old permissions #CACLS $file.FullName #ADD new permission with CACLS CACLS $file.FullName /E /P "${Principal...
The For loop terminates when the condition evaluates to $false. In the following example, the For loop runs while the value of $i is less than or equal to 10. PowerShell Kopija $i=1 for(;$i -le 10;$i++) { Write-Host $i } Instead of creating and initializing the variable out...
3、clear-host,简称cls,相当于Linux里面的清屏命令clear,这里也可以用clear 4、get-location,简称gl,相当于Linux里的pwd,这里也可以用pwd(print working directory) 5、set-location,简称sl,相当于linux里的cd命令,这里cd也可以用,但是powershell跟cmd下不一样,powershell里的cd命令不需要加/d参数,加上就报错,cmd...
Fix Get-ItemProperty to report non-terminating error for cast exception (#21115) (Thanks @ArmaanMcleod!) Add -PropertyType argument completer for New-ItemProperty (#21117) (Thanks @ArmaanMcleod!) Fix a bug in how Write-Host handles XmlNode object (#24669) (Thanks @brendandburns!) Code Cl...
PowerShell Integrated Scripting Environment (ISE), introduced by Microsoft in PowerShell version 2.0, is a PowerShell host application used to write,test and debug scriptsor write commands in a Windows GUI. To access the ISE, clickStart, selectWindows PowerShelland chooseWindows PowerShell ISE. ...
>> Write-Host "inside function: $name" >> } >> PS C:\> AssignValueToParam $name inside function: WangLei PS C:\> Write-Host "outside function: $name" outside function: LiMing新创建的变量会在当前作用域中覆盖之前传递的参数,原参数值不变,为改变传递到函数中的参数值,可以使用Get-Variable...
try{ NonsenseString } catch {Write-Host"An error occurred:"Write-Host$_.ScriptStackTrace } 结果类似于: Output An Error occurred: at <ScriptBlock>, <No file>: line 2 使用finally 释放资源 若要释放脚本使用的资源,请在finally和try块之后添加catch块。 无论finally块是否遇到终止错误,try块语句都会运...
编码执行$command = "Write-Host ‘Hello World!’" $bytes = [System.Text.Encoding]::Unicode.GetBytes($command) $encodedCommand = [Convert]::ToBase64String($bytes) powershell.exe -EncodedCommand $encodedCommand IEX 我们使用的代码很多都使用Invoke-Expression/IEX命令, Invoke-Expression/IEX命令是很常用...