如何在PowerShell中选择与特定模式匹配的对象

Question

因此，对于excel csv文件，当至少一个更改请求编号在“分配组”列中具有一个单元格时，我试图摆脱在“分配组”列中具有空单元格的所有重复的更改请求号。不是空的（值是to-io.got，to-io.got-app，to-io.got-proc'），因此它应该看起来像这样。

但是我不想删除重复的更改请求编号，这些更改请求编号在它们的分配组中有一个（to-io.got，to-io.got-app，to-io.got-proc），我不想删除单个更改请求号，无论其在“分配组”列中具有空单元格还是在“分配组”中具有（to-io.got，to-io.got-app，to-io.got-proc）作为值。

所以如何编写脚本，使其符合我在文章顶部解释的条件，当我获得excel文件时，它看起来像这样：

之前：

Change request        Change Title                                                                        Technology Portfolio Driver              Planned Start Date   Planned End Date     Phase         Change Type       Opened By                 Task Description             Task Number  Assigned To                           Assignment Group  Technology Portfolio Impacted
CHG0706484            PROD - EDTS - Scan Package (Lost/Stolen, Bankruptcy, Outgoing Credit) Deployment    CCT-Retail Operations Technology         9/14/2019 21:00      9/15/2019 12:00      Implement     FastLane          Evan Chambers (chambere)                                                                                                    CCT-Retail Operations Technology
CHG0706484            PROD - EDTS - Scan Package (Lost/Stolen, Bankruptcy, Outgoing Credit) Deployment    CCT-Retail Operations Technology         9/14/2019 21:00      9/15/2019 12:00      Implement     FastLane          Evan Chambers (chambere)  Deploy Package               CTASK1182048 Kumaran Sugumaran (sugumara)          to-io.got-app     CCT-Retail Operations Technology

后：

Change request Change Title                                                                        Technology Portfolio Driver              Planned Start Date    Planned End Date    Phase         Change Type       Opened By                 Task Description      Task Number  Assigned To                           Assignment Group  Technology Portfolio Impacted
CHG0706484     PROD - EDTS - Scan Package (Lost/Stolen, Bankruptcy, Outgoing Credit) Deployment    CCT-Retail Operations Technology         9/14/2019 21:00      9/15/2019 12:00      Implement     FastLane          Evan Chambers (chambere)  Deploy Package        CTASK1182048 Kumaran Sugumaran (sugumara)          to-io.got-app     CCT-Retail Operations Technology

这是我作为脚本尝试的内容：

$GroupArray2 = @(
    'to-io.got'
    'to-io.got-app'
    'to-io.got-proc'
)
$items4 = Import-Csv -Path 'C:\Temp\Excel6.csv' | Group-object -Property 'Change Request' | Where-Object count -gt 1 | Where-object {$_.'Assignment Group' -in $GroupArray2} | Foreach-object { $selections3 = $_.Group | Select-Object -Property * }
$items4 | Export-CSv -path 'C:\Temp\Excel7.csv' -NoTypeInformation 

但是当我尝试时它不会输出任何东西。任何帮助，将不胜感激！

Answer 1

[在检查$_.'Assignment Group' -in $GroupArray2位置之前，需要按组分开对象

$items4 = Import-Csv -Path 'C:\Temp\Excel6.csv' | Group-object -Property 'Change Request' | Where-Object count -gt 1 | ForEach-Object {$_.group}  | Where-object {$_.'Assignment Group' -in $GroupArray2}

Answer 2

如果我正确理解了这个问题，那应该起作用