How to create a char array of variable length in powershell?

Question

How to create a char array of length $Count in powershell?

PS C:\Users\Administrator> $Count
415
PS C:\Users\Administrator> $chars = New-Object System.Char ($Count)
New-Object : Constructor not found. Cannot find an appropriate constructor for type System.Char.
At line:1 char:10
+ $chars = New-Object System.Char ($Count)
+          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (:) [New-Object], PSArgumentException
+ FullyQualifiedErrorId : CannotFindAppropriateCtor,Microsoft.PowerShell.Commands.NewObjectCommand

I tried 
[Char[]] $chars = @(415)

I had a class which needed a char array, but I basically I found a solution to my problem by using Strings. But I just wanted to ask if any one knows how to create an empty char array of variable length.

Eg: How do I do this in powershell? C# -> var chars = new Char[Count];

possible duplicate of How do I populate an array of unkown length in Powershell? — TessellatingHeckler
– TessellatingHeckler, Commented Sep 17, 2015 at 21:10

Mathias R. Jessen · Accepted Answer · 2015-09-18 00:23:11Z

4

In PowerShell 5.0, you can use the new() constructor method:

PS C:\> $Count = 415
PS C:\> $chars = [char[]]::new($Count)
PS C:\> $chars.Count
415

In earlier versions, use the New-Object cmdlet, and indicate that you want an array with []:

$chars = New-Object -TypeName 'char[]' -ArgumentList $Count

edited Sep 18, 2015 at 0:23

answered Sep 17, 2015 at 22:44

Mathias R. Jessen

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3 Comments

user4003407 Over a year ago

You could also use [Array]::CreateInstance([char],415).

AdmiralThrawn Over a year ago

Thanks. The 2 methods provided by Mathias and one by PetSerAl all work!

jpmc26 Over a year ago

@ComedianNinja If this answered your question, please accept the answer (check box below the up/down voting buttons on the left).

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