menu.ps1

function menu($functionName) {
	$AST = [System.Management.Automation.Language.Parser]::ParseFile(
	    'C:\Temp\profile.ps1',
	    [ref]$null,
	    [ref]$Null
	)

	$functions = @($AST.FindAll({
	    	$args[0] -is [System.Management.Automation.Language.FunctionDefinitionAst]}
	    	, $true) | ForEach-Object {
	    		if ($_.Extent.Text -match '^\s{0,}function ([\w|\-]*)\s{0,}{{0,1}'){
					$Matches[1].trim() }
			} | Where-Object {$_ -ne "menu" -and $_ -like "*$functionName*"} | Sort-Object)

	For ($i=0;$i -lt $functions.Count;$i++){				
		Write-Output "	[$($i.tostring('00'))]	$($functions[$i])"
	}
	if ($functions.count -gt 0){
		$run = "RUN"
		while ($run -as [int] -eq $null){
			$Run = Read-Host -Prompt "Function to run"
		}
		if ($functions[$run]){
			Write-Warning "Run $($functions[$run]) [N to stop]"
			$confirm = Read-Host 
			if ($confirm -notlike "N*"){
				. $functions[$run]
			}
		}
	}
}