Calling a cmdlet via a value

Question

I have a variable in my psm1 file that's a KVP hash

$subcmdlist = @{
"addhost" = "Add-Host";
"deletehost" = "Remove-Host";
"setparameter" = "Set-Parameter";
}

This psm1 file also has a function called 'newtask' which accepts an argument of $subcommand.

I'm wondering how i can execute the cmdlet Add-Host when

newtask addhost

is issued from the shell.

I tried to just echo it but that didn't do much good at all. Just printed out the value.

Thanks!

possible duplicate of In Powershell, how do you execute an arbitrary native command from a string? or stackoverflow.com/questions/6149167/… — Matt
– Matt, Commented Oct 28, 2014 at 15:40

fejesjoco · Accepted Answer · 2014-10-28 15:34:12Z

1

Use the & sign (aka the call operator), like this: & "Get-Host". This works at least in Powershell 3.0.

answered Oct 28, 2014 at 15:34

fejesjoco

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1 Comment

I just realized that calling Invoke-Expression may be better suited for this. See here: ss64.com/ps/call.html and here: ss64.com/ps/invoke-expression.html