Identify renderable renderlayers and their renderer overrides #mel

get_renderer_per_renderlayer.mel

// Loop through all render layers
for ($layer in `ls -type "renderLayer"`){
	// Find the ones which are renderable
	if ((`getAttr ($layer+".renderable")` == 1)){
		string $buffer[] ;  
		$buffer = stringToStringArray($layer, ":");
		// Don't count renderlayers from references
		if(size($buffer) < 2){
			editRenderLayerGlobals -currentRenderLayer $layer;
			string $renderer = (`getAttr "defaultRenderGlobals.currentRenderer"`);
			print("Renderer: " + $renderer);
		}
	}
}