diff -r 688ec9097c55 console/luxconsole.cpp
--- a/console/luxconsole.cpp	Sun Feb 05 15:53:35 2012 +0100
+++ b/console/luxconsole.cpp	Mon Feb 06 20:41:07 2012 -0700
@@ -131,6 +131,7 @@
 				("serverinterval,i", po::value < int >(), "Specify the number of seconds between requests to rendering servers.")
 				("serverport,p", po::value < int >(), "Specify the tcp port used in server mode.")
 				("serverwriteflm,W", "Write film to disk before transmitting in server mode.")
+				("logfile,l", po::value< std::string >(), "Specify the log file to use")
 				;
 
 		// Hidden options, will be allowed both on command line and
@@ -170,10 +171,20 @@
 			return 0;
 		}
 
+		if (vm.count("version")) {
+			LOG(LUX_INFO,LUX_NOERROR) << "Lux version " << luxVersion() << " of " << __DATE__ << " at " << __TIME__;
+			return 0;
+		}
+
+		if (vm.count("logfile")) {
+			if(luxSetErrorLogfile (vm["logfile"].as<std::string>().c_str()))
+			{
+				LOG(LUX_SEVERE,LUX_SYSTEM) << "Unable to open logfile '" << vm["logfile"].as<std::string>() << "' for writing";
+				return 1;
+			}
+		}
+
 		LOG(LUX_INFO,LUX_NOERROR) << "Lux version " << luxVersion() << " of " << __DATE__ << " at " << __TIME__;
-		
-		if (vm.count("version"))
-			return 0;
 
 		if (vm.count("threads"))
 			threads = vm["threads"].as<int>();
diff -r 688ec9097c55 core/api.cpp
--- a/core/api.cpp	Sun Feb 05 15:53:35 2012 +0100
+++ b/core/api.cpp	Mon Feb 06 20:41:07 2012 -0700
@@ -36,8 +36,7 @@
 #include <string>
 using std::string;
 #include <iostream>
-using std::cerr;
-using std::endl;
+#include <fstream>
 #include <cstdarg>
 #include <cstdio>
 using std::FILE;
@@ -1114,12 +1113,37 @@
 // API and allows to perform filtering on the errors by using the
 // 'LOG' macro defined in error.h
 LuxErrorHandler luxError = luxErrorPrint;
+std::ostream *luxErrorStream = &std::cerr;
 
 extern "C" void luxErrorHandler(LuxErrorHandler handler)
 {
 	luxError = handler;
 }
 
+// Send luxErrorPrint output to a file
+// If no filename is passed (""), sets output to std::cerr
+// Returns 0 on success, 1 on failure
+extern "C" bool luxSetErrorLogfile(const char *filename)
+{
+	if (luxErrorStream != &std::cerr)
+		delete luxErrorStream;
+
+	if (string(filename).empty())
+		luxErrorStream = &std::cerr;
+	else
+	{
+		std::ofstream *file = new std::ofstream (filename, std::ios_base::out | std::ios_base::app);
+		if (!file->fail())
+			luxErrorStream = file;
+		else
+		{
+			delete file;
+			return true;
+		}
+	}
+	return false;
+}
+
 extern "C" void luxErrorAbort(int code, int severity, const char *message)
 {
 	luxErrorPrint(code, severity, message);
@@ -1139,24 +1163,24 @@
 	boost::mutex::scoped_lock lock(stdout_mutex);
 
 	luxLastError = code;
-	cerr<<"[";
+	*luxErrorStream<<"[";
 #if !defined(WIN32) || defined(__CYGWIN__) //windows does not support ANSI escape codes (but CYGWIN does) ...
 	//set the color
 	switch (severity) {
 	case LUX_DEBUG:
-		cerr<<"\033[0;34m";		// BLUE
+		*luxErrorStream<<"\033[0;34m";		// BLUE
 		break;
 	case LUX_INFO:
-		cerr<<"\033[0;32m";		// GREEN
+		*luxErrorStream<<"\033[0;32m";		// GREEN
 		break;
 	case LUX_WARNING:
-		cerr<<"\033[0;33m";		// YELLOW
+		*luxErrorStream<<"\033[0;33m";		// YELLOW
 		break;
 	case LUX_ERROR:
-		cerr<<"\033[0;31m";		// RED
+		*luxErrorStream<<"\033[0;31m";		// RED
 		break;
 	case LUX_SEVERE:
-		cerr<<"\033[0;31m";		// RED
+		*luxErrorStream<<"\033[0;31m";		// RED
 		break;
 	}
 #else // ... but it does have it's own console API
@@ -1178,32 +1202,32 @@
 		break;
 	}
 #endif
-	cerr<<"Lux ";
-	cerr<<boost::posix_time::second_clock::local_time()<<' ';
+	*luxErrorStream<<"Lux ";
+	*luxErrorStream<<boost::posix_time::second_clock::local_time()<<' ';
 	switch (severity) {
 	case LUX_DEBUG:
-		cerr<<"DEBUG";
+		*luxErrorStream<<"DEBUG";
 		break;
 	case LUX_INFO:
-		cerr<<"INFO";
+		*luxErrorStream<<"INFO";
 		break;
 	case LUX_WARNING:
-		cerr<<"WARNING";
+		*luxErrorStream<<"WARNING";
 		break;
 	case LUX_ERROR:
-		cerr<<"ERROR";
+		*luxErrorStream<<"ERROR";
 		break;
 	case LUX_SEVERE:
-		cerr<<"SEVERE ERROR";
+		*luxErrorStream<<"SEVERE ERROR";
 		break;
 	}
-	cerr<<" : "<<code;
+	*luxErrorStream<<" : "<<code;
 #if !defined(WIN32) || defined(__CYGWIN__) // windows does not support ANSI escape codes (but CYGWIN does) ...
-	cerr<<"\033[0m";
+	*luxErrorStream<<"\033[0m";
 #else // ... but it does have it's own console API
 	w32util::ChangeConsoleColor( FOREGROUND_WHITE );
 #endif
-	cerr<<"] "<<message<<endl<<std::flush;
+	*luxErrorStream<<"] "<<message<<std::endl<<std::flush;
 }
 
 extern "C" void luxSetEpsilon(const float minValue, const float maxValue)
diff -r 688ec9097c55 core/api.h
--- a/core/api.h	Sun Feb 05 15:53:35 2012 +0100
+++ b/core/api.h	Mon Feb 06 20:41:07 2012 -0700
@@ -314,6 +314,7 @@
 LUX_EXPORT extern void luxErrorAbort(int code, int severity, const char *message);
 LUX_EXPORT extern void luxErrorIgnore(int code, int severity, const char *message);
 LUX_EXPORT extern void luxErrorPrint(int code, int severity, const char *message);
+LUX_EXPORT extern bool luxSetErrorLogfile(const char *filename);
 LUX_EXPORT extern LuxErrorHandler luxError;
 
 /**