How to get member list for an array object?

Question

Get-Member returns an object name and member list for each type of object it contains.

PS C:\src\t\getlast> $a = @(1,'now')
PS C:\src\t\getlast> $a | gm

   TypeName: System.Int32
   ...
   TypeName: System.String
   ...

Is there a way to get the object name and member list for the array object itself? Creating an array containing an array and a different type is the only way I have found to get a list of members for an array object.

PS C:\src\t\getlast> $a = @(@(1),'now')
PS C:\src\t\getlast> $a.GetType()

IsPublic IsSerial Name                                     BaseType
-------- -------- ----                                     --------
True     True     Object[]                                 System.Array

PS C:\src\t\getlast> $a | gm

   TypeName: System.Object[]
   ...
   TypeName: System.String
   ...

The standard trick to prevent this unrolling behavior is to wrap it into its own array by preceding it with a comma: ,$a | gm will get the members only of $a itself. — Jeroen Mostert
– Jeroen Mostert, Commented Oct 24, 2018 at 13:49

G42 · Accepted Answer · 2018-10-24 13:49:56Z

6

Get-Member -InputObject $a

Essentially, feed Get-Member the whole object as using the pipeline pipes it element by element.

answered Oct 24, 2018 at 13:49

G42

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