Adds caching to Out-Default

Out-Default.ps1

function Out-Default
{
<#
	.SYNOPSIS
		A wrapper for Out-Default, adding automatic caching to all output sent to screen.
	
	.DESCRIPTION
		A wrapper for Out-Default, adding automatic caching to all output sent to screen.
	
		Maximum capacity can be configured by setting $global:OutputCacheSize
		Data can be accessed by inspecting $global:OutputCache
	
	.PARAMETER InputObject
		The data to cache and display
	
	.EXAMPLE
		PS C:\> Get-ChildItem
	
		The contents of the current folder are displayed ... and cached to $global:OutputCache
#>
	[CmdletBinding()]
	param (
		[Parameter(ValueFromPipeline = $true)]
		$InputObject
	)
	begin
	{
		if (-not $global:OutputCacheSize) { $global:OutputCacheSize = 10 }
		if (-not $global:OutputCache) { $global:OutputCache = New-Object 'System.Collections.Generic.Queue[Object]' }
		
		$data = New-Object 'System.Collections.Generic.List[Object]'
		
		#region Wrap Out-Default Cmdlet
		try
		{
			$wrappedCmd = $ExecutionContext.InvokeCommand.GetCommand('Out-Default', [System.Management.Automation.CommandTypes]::Cmdlet)
			$scriptCmd = { & $wrappedCmd @PSBoundParameters }
			$steppablePipeline = $scriptCmd.GetSteppablePipeline()
			$steppablePipeline.Begin($PSCmdlet)
		}
		catch
		{
			throw
		}
		#endregion Wrap Out-Default Cmdlet
	}
	process
	{
		$data.Add($InputObject)
		
		#region Wrap Out-Default Cmdlet
		try
		{
			$steppablePipeline.Process($_)
		}
		catch
		{
			throw
		}
		#endregion Wrap Out-Default Cmdlet
	}
	end
	{
		if ($data.Count -gt 0)
		{
			$global:OutputCache.Enqueue($data.ToArray())
			while ($global:OutputCache.Count -gt $global:OutputCacheSize)
			{
				$null = $global:OutputCache.Dequeue()
			}
		}
		
		#region Wrap Out-Default Cmdlet
		try
		{
			$steppablePipeline.End()
		}
		catch
		{
			throw
		}
		#endregion Wrap Out-Default Cmdlet
	}
}