functions/Get-DbaConfig.ps1

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function Get-DbaConfig
{
<#
  .SYNOPSIS
   Retrieves configuration elements by name.
   
  .DESCRIPTION
   Retrieves configuration elements by name.
   Can be used to search the existing configuration list.
   
  .PARAMETER Name
   Default: "*"
   The name of the configuration element(s) to retrieve.
   May be any string, supports wildcards.
   
  .PARAMETER Module
   Default: "*"
   Search configuration by module.
   
  .PARAMETER Force
   Overrides the default behavior and also displays hidden configuration values.
   
  .EXAMPLE
   PS C:\> Get-DbaConfig 'Mail.To'
    
   Retrieves the configuration element for the key "Mail.To"
  
  .EXAMPLE
   PS C:\> Get-DbaConfig -Force
  
   Retrieve all configuration elements from all modules, even hidden ones.
   
  .NOTES
   Author: Friedrich Weinmann
            Tags: Config
    #>

    [CmdletBinding()]
    Param (
        [string]
        $Name = "*",
        
        [string]
        $Module = "*",
        
        [switch]
        $Force
    )
    
    $Name = $Name.ToLower()
    $Module = $Module.ToLower()
    
    [sqlcollective.dbatools.Configuration.Config]::Cfg.Values | Where-Object { ($_.Name -like $Name) -and ($_.Module -like $Module) -and ((-not $_.Hidden) -or ($Force)) }
}