Save-ConsoleOutputToClipBoard.ps1

function Save-ConsoleOutputToClipBoard {
	[OutputType('string')]
	[CmdletBinding()]
	param
	()

	if ($host.Name -ne ‘ConsoleHost’) {
		write-host -ForegroundColor Red "This script runs only in the console host. You cannot run this script in $($host.Name)."
	}

	# Initialize string builder.
	$textBuilder = new-object system.text.stringbuilder

	# Grab the console screen buffer contents using the Host console API.
	$bufferWidth = $host.ui.rawui.BufferSize.Width
	$bufferHeight = $host.ui.rawui.CursorPosition.Y

	$rec = new-object System.Management.Automation.Host.Rectangle 0, 0, ($bufferWidth – 1), $bufferHeight
	$buffer = $host.ui.rawui.GetBufferContents($rec)

	# Iterate through the lines in the console buffer.
	for($i = 0; $i -lt $bufferHeight; $i++) {
		for($j = 0; $j -lt $bufferWidth; $j++) {
			$cell = $buffer[$i, $j]
			$null = $textBuilder.Append($cell.Character)
		}
		$null = $textBuilder.Append("`r`n")
	}

	## Ensure the PS prompt is always just PS>
	$out = $textBuilder.ToString() -replace 'PS .*\>', 'PS>'
	
	## Remove the line that actually invoked this function
	$out -replace "PS> $($MyInvocation.MyCommand.Name)" | Set-Clipboard
}

I like it!