Custom PowerShell Cmdlet does not accept Variables

Question

I have a custom PowerShell cmdlet that has the following attributes on one of the input properties. The property is a get/set of type float . I want to be able to supply this property with either a float value or a variable.

[Parameter(
ValueFromPipeline=true,
ValueFromPipelineByPropertyName = true,
Mandatory = true)]
public float MyProperty
{
    get { return _myProp; }
    set { _myProp = value; }
}

Declaring and assigning a variable in my script like this results in the following error.

[float]$r=0.05
--or--
$r=0.05



  PS C:>get-mycmdlet

  cmdlet Get-mycmdlet at command pipeline position 1
  Supply values for the following parameters:
  (Type !? for Help.)
  myPropperty: $r
  Cannot recognize "$r" as a System.Single due to a format error.
  myProperty:

What is needed in my PS cmdlet to get it to accept my variables? Thanks

DeCaf · Accepted Answer · 2011-10-02 14:23:45Z

3

This should work just fine if you specify the parameter on the command line, i.e:

get-mycmdlet -MyProperty $r

I don't think that the interactive prompts accept variables.

answered Oct 2, 2011 at 14:23

DeCaf

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1 Comment

ChiliYago Over a year ago

yes that does work. I am not aware of that limitation about interactive prompts

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