functions/Get-DbatoolsConfigValue.ps1
function Get-DbatoolsConfigValue { <# .SYNOPSIS Returns the configuration value stored under the specified name. .DESCRIPTION Returns the configuration value stored under the specified name. It requires the full name (<Module>.<Name>) and is usually only called by functions. .PARAMETER FullName The full name (<Module>.<Name>) of the configured value to return. .PARAMETER Fallback A fallback value to use, if no value was registered to a specific configuration element. This basically is a default value that only applies on a "per call" basis, rather than a system-wide default. .PARAMETER NotNull By default, this function returns null if one tries to retrieve the value from either a Configuration that does not exist or a Configuration whose value was set to null. However, sometimes it may be important that some value was returned. By specifying this parameter, the function will throw an error if no value was found at all. .NOTES Tags: Module Author: Friedrich Weinmann (@FredWeinmann) Website: https://dbatools.io Copyright: (c) 2018 by dbatools, licensed under MIT License: MIT https://opensource.org/licenses/MIT .LINK https://dbatools.io/Get-DbatoolsConfigValue .EXAMPLE PS C:\> Get-DbatoolsConfigValue -Name 'System.MailServer' Returns the configured value that was assigned to the key 'System.MailServer' .EXAMPLE PS C:\> Get-DbatoolsConfigValue -Name 'Default.CoffeeMilk' -Fallback 0 Returns the configured value for 'Default.CoffeeMilk'. If no such value is configured, it returns '0' instead. #> [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSPossibleIncorrectComparisonWithNull", "")] [CmdletBinding()] param ( [Alias('Name')] [Parameter(Mandatory)] [string]$FullName, [object]$Fallback, [switch]$NotNull ) $FullName = $FullName.ToLowerInvariant() $temp = $null $temp = [Sqlcollaborative.Dbatools.Configuration.ConfigurationHost]::Configurations[$FullName].Value if ($temp -eq $null) { $temp = $Fallback } if ($NotNull -and ($temp -eq $null)) { Stop-Function -Message "No Configuration Value available for $Name" -EnableException $true -Category InvalidData -Target $FullName } else { return $temp } } # SIG # Begin signature block # MIIZewYJKoZIhvcNAQcCoIIZbDCCGWgCAQExCzAJBgUrDgMCGgUAMGkGCisGAQQB # gjcCAQSgWzBZMDQGCisGAQQBgjcCAR4wJgIDAQAABBAfzDtgWUsITrck0sYpfvNR # AgEAAgEAAgEAAgEAAgEAMCEwCQYFKw4DAhoFAAQUIKfAYn6GzKPBedR8L67MzTPb # qWKgghSJMIIE/jCCA+agAwIBAgIQDUJK4L46iP9gQCHOFADw3TANBgkqhkiG9w0B # AQsFADByMQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYD # 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