Data/Hashtable/Get-HashtableSubset.ps1
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<#
.SYNOPSIS Returns a hashtable with only the keys specified in the Keys parameter .EXAMPLE $splat = Get-HashtableSubset -Source $PSBoundParameters -Keys @( 'CelestraModel', .NOTES useful for passing through optional parameters through functions using splatting #> function Get-HashtableSubset { [CmdletBinding()] [OutputType([hashtable])] param( [Parameter(Mandatory, Position = 0)] [System.Collections.IDictionary] $Source, [Parameter(Mandatory, Position = 1)] [string[]] $Keys ) $subset = @{} foreach ($key in $Keys) { if ($Source.ContainsKey($key)) { $subset[$key] = $Source[$key] } } return ($subset) } |