osfile ';' DIR ';' NAME

public final static String	_fileHelp	= "${file;<base>;<paths>...}, create correct OS dependent path";

public String _osfile(String args[]) {
	verifyCommand(args, _fileHelp, null, 3, 3);
	File base = new File(args[1]);
	File f = Processor.getFile(base, args[2]);
	return f.getAbsolutePath();
}