IgnoreCase : True LineNumber : 1 Line : 64 Path : Variable:\MaximumHistoryCount Pattern : [0-9] 使用脚本块搜索字符串“Pos”的文件SelectStrCommandSample.cs。 -cmatch 运算符执行不区分大小写的模式匹配。 PowerShell 复制 Select-Str -Path "SelectStrCommandSample.cs" -Script { if ($a...
如果<condition>表达式为 false,则执行<if-false>表达式 例如: PowerShell复制 $message= (Test-Path$path) ?"Path exists":"Path not found" 在此示例中,当 返回 时,$message的值为Path exists。Test-Path$true$false返回 时Test-Path,的$messagePath not found值为 。
如果<condition>運算式為 False,就會執行<if-false>運算式 例如: PowerShell $message= (Test-Path$path) ?"Path exists":"Path not found" 在此範例中,如果路徑存在,就會顯示Path exists。 如果路徑不存在,則會顯示找不到路徑。 如需詳細資訊,請參閱關於 If。
借助PowerShell,可通过将赋值括在括号 () 内,在表达式中使用赋值。 PowerShell 会传递分配的值。 例如:PowerShell 复制 # In an `if` conditional if ($foo = Get-Item $PROFILE) { "$foo exists" } # Property access ($profileFile = Get-Item $PROFILE).LastWriteTime # You can even *assign* ...
Windows PowerShell reserves a few parameter names, referred to as Common parameters, which you can't use: WhatIf, Confirm, Verbose, Debug, ErrorAction, ErrorVariable, OutVariable, and OutBuffer. In addition, the following aliases for these parameter names are reserved: vb, db, ea, ev, ov...
The following example shows the $input automatic variable with begin and end keywords. PowerShell Copy function Get-PipelineBeginEnd { begin { "Begin: The input is $input" } end { "End: The input is $input" } } If this function is run using the pipeline, it displays the following ...
# Strict mode is off by default.$a-gt5FalseSet-StrictMode-Version1.0$a-gt5InvalidOperation: The variable'$a'cannot be retrieved because it has not been set. 如果严格模式设置为版本1.0,则尝试引用未初始化的变量失败。 示例2:以版本 2.0 启用严格模式 ...
$a -gt 5 False Set-StrictMode -Version 1.0 $a -gt 5 InvalidOperation: The variable '$a' cannot be retrieved because it has not been set.如果严格模式设置为版本 1.0,则尝试引用未初始化的变量失败。示例2:以版本 2.0 启用严格模式PowerShell 复制 ...
While the Group Policy template for Protected Event Logging only exists in Windows 10, PowerShell version 5 and PowerShell in KB3000850 supports protected event logging if the settings are configured manually.For example:PS C:\temp> $cert = Get-Content C:\temp\ProtectedEventLogging.cer –Raw ...
However, much of the PowerShell Team’s work exists outside of PowerShell repo; we plan to actively invest in the following themes and features over the next 6-12 months: Process Improvements and 7.2 Issues/PRs We’re continuing to operationalizePowerShell Working Groupsas a way to scale our...