Powershell-如何在自定义对象中编辑现有属性 [英] Powershell - how do I edit an existing property in a custom object
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问题描述
我在寻找如何在现有psobject中更新noteproperty的方法,例如,我有psobjects($ a)的system.array:
I looking for way how update noteproperty in existing psobject, for example I have system.array of psobjects ($a):
Group Assigment
----- ---------
Group1 Home
Group2 Office
问题是如何将主页"更新为其他内容.
Question is how update 'Home' to something other.
$ a |gm:
TypeName: System.Management.Automation.PSCustomObject
Name MemberType Definition
---- ---------- ----------
Equals Method bool Equals(System.Object obj)
GetHashCode Method int GetHashCode()
GetType Method type GetType()
ToString Method string ToString()
Assigment NoteProperty System.String Assigment=Office
Group NoteProperty System.String Group=Group1
$ a.GetType():
$a.GetType():
IsPublic IsSerial Name BaseType
-------- -------- ---- --------
True True Object[] System.Array
感谢您将来的帮助.
推荐答案
目前尚不清楚您的问题是:选择好的对象还是更新其值?
It's not really clear what is your problem : select the good object or update it's value ?
$col=@()
$props=@{"group"="group1";"assignment"="home"}
$col += new-object pscustomobject -property $props
$props2=@{"group"="group2";"assignment"="office"}
$col += new-object pscustomobject -property $props2
#select object with home assignment
$rec=$col | where {$_.assignment -eq "home"}
#replace the value
$rec.assignment="elsewhere"
#display collection with updated value
$col
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