Public/Get-DictSubset.ps1
|
function Get-DictSubset { ### transforms this: # Name Value # ---- ----- # param_Exclaim True # OK True # param_Greeting Hello # param_Subject World ### into this: # Name Value # ---- ----- # Greeting Hello # Exclaim True # Subject World param ( [Parameter(Mandatory=$true)] [hashtable]$Source, [Parameter(Mandatory=$true)] [ValidateNotNullOrEmpty()] [string]$KeyStartsWith, [Parameter(Mandatory=$false)] [switch]$Trim ) [hashtable]$subset = @{} $Source.GetEnumerator() | Where-Object { $_.Key.ToString().StartsWith($KeyStartsWith) } | ForEach-Object { [string]$param_name = $_.Key.ToString() if ($Trim) { $param_name = $param_name.Substring($KeyStartsWith.Length) } $subset.Add($param_name, $_.Value) } return $subset } |