Usually, learners get confused with ForEach and ForEach-Object while using break/continue statements in PowerShell, but there is a clear difference between
与立即开始枚举的“[System.Linq.Enumerable]::Range(0, 100MB)”进行比较。我想知道为什么 PowerShell 选择这种设计。(3认同) @zett42,“foreach( $i in 0..100MB ) { $i }”有效地流是令人惊讶的,因为流命令输出是在“foreach”语句中预先完整收集的;例如: `foreach ($f in Get-ChildItem $HOME -...
今天给大家讲解PowerShell Cmdlet高级参数第二部分相关的知识,希望对大家学习PowerShell能有所帮助!...上一篇:PowerShell系列(十一):PowerShell Cmdlet高级参数介绍(一)1、ErrorVariable 错误变量上篇文章我们讲过$Error变量,对于PowerShell...
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Art*_*lle 5 powershell foreach-object 我正在尝试使用 ForEach-Object -Parallel 从多个服务器收集数据。我使用的变量正在循环内填充,但是当循环完成时该变量为空。$DBDetails = "SELECT @@VERSION" $VMs = ("vm1", "vm2", "vm3", "vm4", "vm5", "vm6", "vm7") $DBInventory = @() $...
Powershell:为什么我的变量在使用ForEach-Object -Parallel后为空?ForEach-Object -Parallel导致循环体 ...
In this script, a blank line will result in a legal connection string that resolves to the default instance on the local computer. There are probably better forum to get help with PowerShell as such. I can't boast that much PowerShell experience myself. Then again, it is a matter of ...
!!! powershell script to add a word in the beginning of the text file - URGENT !!! 'A positional parameter cannot be found that accepts argument '$null'. 'Name' Attribute cannot be modified - owned by the system 'set-acl.exe' not recognized as the name of a cmdlet, 'Set-Executi...
PowershellInteractiveWindow PowerSupply PrecedenceConstraint PredictFunction PredictQueryBuilder PreserveCase PreviewAnimatedTransition PreviewCode PreviewSideBySide PreviewTab Previous PreviousBookmark PreviousBookmarkInFile PreviousBookmarkInFolder PreviousDocument PreviousError PreviousFrame PrimaryKeyError PrimaryKeyWarning...
我正在写一个SQL查询创build者使用一些参数。 在Java中,通过使用数组长度检查当前数组的位置,可以非常容易地从for循环中检测数组的最后一个元素。 for(int i=0; i< arr.length;i++){ boolean isLastElem = i== (arr.length -1) ? true : false; } ...