// mkdir 
#using <mscorlib.dll>
#using <System.dll>

using namespace System;
using namespace System::IO;
using namespace System::Text;

#ifndef EXIT_FAILURE
#define EXIT_FAILURE 1
#endif
#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS 0
#endif

void ErrorQuit( Exception^ e, String^ msg){
	TextWriter^ errorWriter = Console::Error;
	errorWriter->WriteLine( e->Message );
	errorWriter->WriteLine( msg );
	System::Environment::Exit(EXIT_FAILURE);
}

void prepareDir(System::String^ dir){
	DirectoryInfo^ di = gcnew DirectoryInfo( dir );

	try {
		//Determine whether the directory exists.
		if (  !di->Exists ) {
			di->Create();
		}
	} catch (IOException^ e){
		ErrorQuit(e,"The directory cannot be created. ");
	} finally{
		if ( di ) delete di;
	}
	return;
}