$FinalCityList = @($CityList | Where-object -filterScript {$_[2] -like "Chong*"}) 把Where-Object 方法用 @() 进行对象转换即可。 完整的PowerShell脚本为: $CityList = [System.Collections.ArrayList]::new() $CityList.Add(@(“A”,“11”,“Cheng Du”)) | Out-Null $CityList.Add(@(...
函数的 filter 意图是提供一种简写方式,用于定义在管道中的每个对象上运行的函数。 筛选器的语法如下所示: Syntax 复制 filter [<scope:>]<name> {<statement list>} 若要简化函数的filter语法,请省略脚本块关键字(begin、endprocessclean)。 PowerShell 将语句放在块中 process。 可以在筛选器函数中使用任何...
$FinalCityList = @($CityList | Where-object -filterScript {$_[2] -like "Chong*"}) 把Where-Object 方法用 @() 进行对象转换即可。 完整的PowerShell脚本为: $CityList = [System.Collections.ArrayList]::new() $CityList.Add(@(“A”,“11”,“Cheng Du”)) | Out-Null $CityList.Add(@(...
Filter left is the concept that items should be filtered as early as possible in the command to limit the number of results passed through the pipeline, increasing performance. While it’s not always possible to filter before theWhere-Objectcmdlet, many commands provide filterable parameters. A c...
$FinalCityList = @($CityList | Where-object -filterScript {$_[2] -like "Chong*"}) 1. 把Where-Object 方法用 @() 进行对象转换即可。 完整的PowerShell脚本为: $CityList = [System.Collections.ArrayList]::new() $CityList.Add(@(“A”,“11”,“Cheng Du”)) | Out-Null ...
PowerShell 包含 CmdletWhere-Object,可讓您測試管線中的每個物件,而且只有在符合特定測試條件時,才會沿著管線傳遞它。 未通過測試的物件會從管線中移除。 您會提供測試條件做為 FilterScript參數的值。 使用Where-Object 執行簡單的測試 FilterScript的值是腳本區塊-一或多個以大括弧...
}| Select-Object -ExpandProperty PSChildNameif($Filter) {$ListofObjects| Where-Object {$_-like$Filter} }else{$ListofObjects} } 这个Get-ComObject有两个参数,一个是-Filter过虑,一个是-ListAll显示所有组件
展开表 PS C:\> filter Get-RecentlyStarted>> {>> $start = $_.StartTime>> if ($start -ne $null)>> {>> $now = [datetime]::Now>> $diff = $now - $Start>> if ($diff.TotalMinutes -lt 5)>> {>> return $_>> }>> }>> }...
Filter"completedJobCount gt 0 and usageDate ge$StartDateand usageDate lt$EndDate"## Join extended printer info with the printer usage report$reportWithPrinterNames=$printerReport|Select-Object( @{Name ="UsageMonth"; Expression = {$_.Id.Substring(0,8)}}, @{Name ="PrinterId"; Expression ...
WhereObjectCommand.FilterScript Property Reference Feedback Definition Namespace: Microsoft.PowerShell.Commands Assembly: System.Management.Automation.dll Package: System.Management.Automation v7.4.0 Gets or sets the script block to apply. C++ 複製 public: property System::Management::Automation...