Register a delegate to be called on log messages.

	var output : String = "";
	var stack : String = "";
	function OnEnable () {
		Application.RegisterLogCallback(HandleLog);
	}
	function OnDisable () {
		// Remove callback when object goes out of scope
		Application.RegisterLogCallback(null);
	}
	function HandleLog (logString : String, stackTrace : String, type : LogType) {
		output = logString;
		stack = stackTrace;
	}

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    public string output = "";
    public string stack = "";
    void OnEnable() {
        Application.RegisterLogCallback(HandleLog);
    }
    void OnDisable() {
        Application.RegisterLogCallback(null);
    }
    void HandleLog(string logString, string stackTrace, LogType type) {
        output = logString;
        stack = stackTrace;
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	public output as string = 

	public stack as string = 

	def OnEnable() as void:
		Application.RegisterLogCallback(HandleLog)

	def OnDisable() as void:
		Application.RegisterLogCallback(null)

	def HandleLog(logString as string, stackTrace as string, type as LogType) as void:
		output = logString
		stack = stackTrace